| Comprehensive Cancer Center at University of Alabama at Birmingham | Birmingham | Alabama | 35294 | - |
| Huntsville Hospital | Huntsville | Alabama | 35801 | - |
| CCOP - Mayo Clinic Scottsdale Oncology Program | Scottsdale | Arizona | 85259 | - |
| Hembree Mercy Cancer Center at St. Edward Mercy Medical Center | Fort Smith | Arkansas | 72903 | - |
| Arroyo Grande Community Hospital | Arroyo Grande | California | 93420 | - |
| City of Hope Comprehensive Cancer Center | Duarte | California | 91010 | - |
| Kaiser Permanente - Fremont | Fremont | California | 94538 | - |
| Kaiser Permanente Medical Center - Hayward | Hayward | California | 94545 | - |
| Providence Holy Cross Cancer Center | Mission Hills | California | 91346-9600 | - |
| Kaiser Permanente Medical Center - Oakland | Oakland | California | 94611 | - |
| St. Joseph Hospital Regional Cancer Center - Orange | Orange | California | 92868 | - |
| Kaiser Permanente Medical Center - Redwood City | Redwood City | California | 94063 | - |
| Kaiser Permanente Medical Center - Richmond | Richmond | California | 94801 | - |
| Kaiser Permanente Medical Center - Roseville | Roseville | California | 95661 | - |
| Kaiser Permanente Medical Center - Sacramento | Sacramento | California | 95825 | - |
| South Sacramento Kaiser-Permanente Medical Center | Sacramento | California | 95823 | - |
| Kaiser Permanente Medical Office -Vandever Medical Office | San Diego | California | 92120 | - |
| Naval Medical Center - San Diego | San Diego | California | 92134 | - |
| Rebecca and John Moores UCSD Cancer Center | San Diego | California | 92103 | - |
| Veterans Affairs Medical Center - San Diego | San Diego | California | 92161 | - |
| Kaiser Permanente Medical Center - San Francisco Geary Campus | San Francisco | California | 94115 | - |
| San Francisco General Hospital Medical Center | San Francisco | California | 94110 | - |
| UCSF Comprehensive Cancer Center | San Francisco | California | 94115 | - |
| Veterans Affairs Medical Center - San Francisco | San Francisco | California | 94121 | - |
| Kaiser Permanente Medical Center - Santa Teresa | San Jose | California | 95119 | - |
| Kaiser Foundation Hospital - San Rafael | San Rafael | California | 94903 | - |
| Kaiser Permanente Medical Center - Santa Clara | Santa Clara | California | 95051 | - |
| Kaiser Permanente Medical Center - Santa Rosa | Santa Rosa | California | 95403 | - |
| Kaiser Permanente Medical Center - South San Francisco | South San Francisco | California | 94080 | - |
| Kaiser Permanente Medical Facility - Stockton | Stockton | California | 95210 | - |
| Kaiser Permanente Medical Center - Vallejo | Vallejo | California | 94589 | - |
| Kaiser Permanente Medical Center - Walnut Creek | Walnut Creek | California | 94596 | - |
| Aurora Presbyterian Hospital | Aurora | Colorado | 80012 | - |
| Boulder Community Hospital | Boulder | Colorado | 80301 | - |
| Cancer Center of Colorado Springs | Colorado Springs | Colorado | 80907 | - |
| Memorial Hospital Cancer Center | Colorado Springs | Colorado | 80909 | - |
| Penrose Cancer Center at Penrose Hospital | Colorado Springs | Colorado | 80933 | - |
| CCOP - Colorado Cancer Research Program, Incorporated | Denver | Colorado | 80224-2522 | - |
| Porter Adventist Hospital | Denver | Colorado | 80210 | - |
| Presbyterian - St. Luke's Medical Center | Denver | Colorado | 80218 | - |
| Rose Medical Center | Denver | Colorado | 80220 | - |
| St. Joseph Hospital | Denver | Colorado | 80218 | - |
| Swedish Medical Center | Englewood | Colorado | 80110 | - |
| Front Range Cancer Specialists | Fort Collins | Colorado | 80524 | - |
| Poudre Valley Hospital | Fort Collins | Colorado | 80524 | - |
| Sky Ridge Medical Center | Lone Tree | Colorado | 80124 | - |
| Hope Cancer Care Center at Longmont United Hospital | Longmont | Colorado | 80502 | - |
| St. Mary-Corwin Regional Medical Center | Pueblo | Colorado | 81004 | - |
| North Suburban Medical Center | Thorton | Colorado | 80229 | - |
| Saint Francis/Mount Sinai Regional Cancer Center at Saint Francis Hospital and Medical Center | Hartford | Connecticut | 06105 | - |
| Middlesex Hospital Cancer Center | Middletown | Connecticut | 06457 | - |
| Yale Comprehensive Cancer Center | New Haven | Connecticut | 06520-8032 | - |
| Norwalk Hospital | Norwalk | Connecticut | 06856 | - |
| Kent General Hospital at Bayhealth Medical Center | Dover | Delaware | 19901 | - |
| Beebe Medical Center | Lewes | Delaware | 19958 | - |
| CCOP - Christiana Care Health Services | Newark | Delaware | 19718 | - |
| St. Francis Hospital | Wilmington | Delaware | 19805 | - |
| Lombardi Cancer Center at Georgetown University Medical Center | Washington D.C. | District of Columbia | 20007 | - |
| Walter Reed Army Medical Center | Washington D.C. | District of Columbia | 20307 | - |
| Lynn Regional Cancer Center of Boca Raton Community Hospital | Boca Raton | Florida | 33486 | - |
| Halifax Medical Center | Daytona Beach | Florida | 32115 | - |
| Michael & Dianne Bienes Comprehensive Cancer Center at Holy Cross Hospital | Fort Lauderdale | Florida | 33308 | - |
| Shands Cancer Center at the University of Florida - Jacksonville | Gainesville | Florida | 32610 | - |
| Memorial Cancer Institute at Memorial Regional Hospital | Hollywood | Florida | 33021 | - |
| Baptist Cancer Institute - Jacksonville | Jacksonville | Florida | 32207 | - |
| Mayo Clinic - Jacksonville | Jacksonville | Florida | 32224-9980 | - |
| Ella Milbank Foshay Cancer Center at Jupiter Medical Center | Jupiter | Florida | 33458 | - |
| Lakeland Regional Cancer Center at Lakeland Regional Medical Center | Lakeland | Florida | 33805 | - |
| Watson Clinic | Lakeland | Florida | 33805 | - |
| CCOP - Mount Sinai Medical Center | Miami Beach | Florida | 33140 | - |
| Florida Oncology Associates | Orange Park | Florida | 32073 | - |
| Florida Hospital - Orlando | Orlando | Florida | 32803 | - |
| Florida Cancer Specialists | Sarasota | Florida | 34236 | - |
| Palm Beach Cancer Institute - West Palm Beach | West Palm Beach | Florida | 33401 | - |
| Phoebe Cancer Center at Phoebe Putney Memorial Hospital | Albany | Georgia | 31703 | - |
| Emory University Hospital - Atlanta | Altanta | Georgia | 30322 | - |
| Hematology and Oncology of Northeast Georgia | Athens | Georgia | 30607 | - |
| CCOP - Atlanta Regional | Atlanta | Georgia | 30342 | - |
| Northside Hospital Cancer Center | Atlanta | Georgia | 30342 | - |
| Piedmont Hospital | Atlanta | Georgia | 30309 | - |
| Saint Joseph's Hospital of Atlanta | Atlanta | Georgia | 30342 | - |
| Augusta Oncology Associates | Augusta | Georgia | 30901 | - |
| MBCCOP-Medical College of Georgia Cancer Center | Augusta | Georgia | 30912 | - |
| WellStar Cobb Hospital | Austell | Georgia | 30106 | - |
| John B. Amos Community Cancer Center | Columbus | Georgia | 31902 | - |
| Charles B. Eberhart Cancer Center at DeKalb Medical Center | Decatur | Georgia | 30033 | - |
| Veterans Affairs Medical Center - Atlanta (Decatur) | Decatur | Georgia | 30033 | - |
| Northeast Georgia Medical Center | Gainesville | Georgia | 30501 | - |
| Gwinnett Medical Center | Lawrenceville | Georgia | 30045 | - |
| Medical Center of Central Georgia | Macon | Georgia | 31208 | - |
| Kennestone Cancer Center at Wellstar Kennestone Hospital | Marietta | Georgia | 30060 | - |
| Southern Regional Medical Center | Riverdale | Georgia | 30274 | - |
| Cancer Care and Research Pavilion at St. Joseph's/Candler | Savannah | Georgia | 31405 | - |
| Curtis & Elizabeth Anderson Cancer Institute at Memorial Health University Medical Center | Savannah | Georgia | 31403 | - |
| Kapiolani Medical Center at Pali Momi | ‘Aiea | Hawaii | 96701 | - |
| Cancer Research Center of Hawaii | Honolula | Hawaii | 96813 | - |
| Kapiolani Medical Center for Women and Children | Honolulu | Hawaii | 96826 | - |
| OnCare Hawaii, Incorporated - Kuakini | Honolulu | Hawaii | 96817 | - |
| OnCare Hawaii, Incorporated - Lusitana | Honolulu | Hawaii | 96813 | - |
| Queen's Cancer Institute at Queen's Medical Center | Honolulu | Hawaii | 96813 | - |
| St. Francis Medical Center | Honolulu | Hawaii | 96817 | - |
| Straub Clinic and Hospital, Incorporated | Honolulu | Hawaii | 96813 | - |
| Mountain States Tumor Institute - Boise | Boise | Idaho | 83712 | - |
| Saint Anthony's Hospital at Saint Anthony's Health Center | Alton | Illinois | 62002 | - |
| Rush-Copley Cancer Care Center | Aurora | Illinois | 60507 | - |
| St. Joseph Medical Center | Bloomington | Illinois | 61701 | - |
| Graham Hospital | Canton | Illinois | 61520 | - |
| Memorial Hospital | Carthage | Illinois | 62321 | - |
| University of Chicago Cancer Research Center | Chicago | Illinois | 60637-1470 | - |
| University of Illinois Medical Center | Chicago | Illinois | 60612 | - |
| Decatur Memorial Hospital Cancer Care Institute | Decatur | Illinois | 62526 | - |
| Alexian Brothers Cancer Care Center | Elk Grove Village | Illinois | 60007 | - |
| Eureka Hospital | Eureka | Illinois | 61530 | - |
| Evanston Northwestern Health Care - Evanston Hospital | Evanston | Illinois | 60201 | - |
| Galesburg Clinic | Galesburg | Illinois | 61401 | - |
| Galesburg Cottage Hospital | Galesburg | Illinois | 61401 | - |
| InterCommunity Cancer Center of Western Illinois | Galesburg | Illinois | 61401 | - |
| Medical and Surgical Specialists, LLC | Galesburg | Illinois | 61401 | - |
| Mason District Hospital | Havana | Illinois | 62644 | - |
| Hopedale Medical Complex | Hopedale | Illinois | 61747 | - |
| Joliet Oncology Hematology Associates, Limited - West | Joliet | Illinois | 60435 | - |
| Provena St. Mary's Wasser Regional Cancer Center - Kankakee | Kankakee | Illinois | 60901 | - |
| Kewanee Hospital | Kewanee | Illinois | 61443 | - |
| La Grange Memorial Hospital | La Grange | Illinois | 60525 | - |
| McDonough District Hospital | Macomb | Illinois | 61455 | - |
| Trinity Medical Center - East | Moline | Illinois | 61265 | - |
| Hematology Oncology Consultants Ltd. | Naperville | Illinois | 60540 | - |
| BroMenn Regional Medical Center | Normal | Illinois | 61761 | - |
| Community Cancer Center | Normal | Illinois | 61761 | - |
| Community Hospital of Ottawa | Ottawa | Illinois | 61350 | - |
| Oncology Hematology Associates of Central Illinois - Ottawa | Ottawa | Illinois | 61350 | - |
| Cancer Treatment Center at Pekin Hospital | Pekin | Illinois | 61554 | - |
| CCOP - Illinois Oncology Research Association | Peoria | Illinois | 61615 | - |
| Methodist Medical Center of Illinois | Peoria | Illinois | 61603 | - |
| Oncology/Hematology Associates of Central Illinois, P.C. | Peoria | Illinois | 61615 | - |
| OSF St. Francis Medical Center | Peoria | Illinois | 61637 | - |
| Proctor Hospital | Peoria | Illinois | 61614 | - |
| Illinois Valley Community Hospital | Peru | Illinois | 61354 | - |
| Perry Memorial Hospital | Princeton | Illinois | 61356 | - |
| Swedish American Hospital | Rockford | Illinois | 61104 | - |
| St. Margaret's Hospital | Spring Valley | Illinois | 61362 | - |
| Valley Cancer Center | Spring Valley | Illinois | 61362 | - |
| Regional Cancer Center at Memorial Medical Center | Springfield | Illinois | 62781-0001 | - |
| Carle Cancer Center at Carle Foundation Hospital | Urbana | Illinois | 61801 | - |
| CCOP - Carle Cancer Center | Urbana | Illinois | 61801 | - |
| St. Francis Hospital and Health Centers | Beech Grove | Indiana | 46107 | - |
| Elkhart General Hospital | Elkhart | Indiana | 46515 | - |
| Fort Wayne Medical Oncology and Hematology, Incorporated | Fort Wayne | Indiana | 46815 | - |
| Center for Cancer Therapy at LaPorte Hospital and Health Services | La Porte | Indiana | 46350 | - |
| Oncology Institute of Greater Lafayette | Lafayette | Indiana | 47904 | - |
| Saint Anthony Memorial Health Centers | Michigan City | Indiana | 46360 | - |
| Saint Joseph Regional Medical Center - Plymouth Campus | Plymouth | Indiana | 46544 | - |
| CCOP - Northern Indiana CR Consortium | South Bend | Indiana | 46601 | - |
| Memorial Hospital of South Bend | South Bend | Indiana | 46601 | - |
| McFarland Clinic, P.C. | Ames | Iowa | 50010 | - |
| Hematology Oncology Associates of the Quad Cities | Bettendorf | Iowa | 52722 | - |
| Saint Anthony Regional Hospital | Carroll | Iowa | 51401 | - |
| Cedar Rapids Oncology Associates | Cedar Rapids | Iowa | 52403 | - |
| Iowa Blood and Cancer Care | Cedar Rapids | Iowa | 52402 | - |
| Mercy Cancer Center at Mercy Medical Center | Cedar Rapids | Iowa | 52403 | - |
| St. Luke's Hospital | Cedar Rapids | Iowa | 52402 | - |
| Alegent Health Mercy Hospital | Council Bluffs | Iowa | 51503 | - |
| Genesis Regional Cancer Center at Genesis Medical Center | Davenport | Iowa | 52803 | - |
| CCOP - Iowa Oncology Research Association | Des Moines | Iowa | 50309 | - |
| John Stoddard Cancer Center at Iowa Lutheran Hospital | Des Moines | Iowa | 50316 | - |
| John Stoddard Cancer Center at Iowa Methodist Medical Center | Des Moines | Iowa | 50309 | - |
| Medical Oncology and Hematology Associates at John Stoddard Cancer Center | Des Moines | Iowa | 50309 | - |
| Medical Oncology and Hematology Associates at Mercy Cancer Center | Des Moines | Iowa | 50314 | - |
| Mercy Cancer Center at Mercy Medical Center - Des Moines | Des Moines | Iowa | 50314 | - |
| Mercy Capitol Hospital | Des Moines | Iowa | 50307 | - |
| Wendt Regional Cancer Center at Finley Hospital | Dubuque | Iowa | 52001 | - |
| Holden Comprehensive Cancer Center at University of Iowa | Iowa City | Iowa | 52242 | - |
| Alegent Health Community Memorial Hospital | Missouri Valley | Iowa | 51555 | - |
| Burgess Health Center | Onawa | Iowa | 51040 | - |
| Cancer Center at Ottumwa Regional Health Center | Ottumwa | Iowa | 52501 | - |
| Mercy Medical Center - Sioux City | Sioux City | Iowa | 51104 | - |
| Siouxland Hematology-Oncology Associates | Sioux City | Iowa | 51101 | - |
| St. Luke's Regional Medical Center | Sioux City | Iowa | 51104 | - |
| Cancer Center of Kansas - Chanute | Chanute | Kansas | 66720 | - |
| Cancer Center of Kansas - Dodge City | Dodge City | Kansas | 67801 | - |
| Cancer Center of Kansas, P.A. - El Dorado | El Dorado | Kansas | 67042 | - |
| Cancer Center of Kansas - Kingman | Kingman | Kansas | 67068 | - |
| Southwest Medical Center | Liberal | Kansas | 67901 | - |
| Cancer Center of Kansas - Newton | Newton | Kansas | 67114 | - |
| Cancer Center of Kansas, P.A. - Parsons | Parsons | Kansas | 67357 | - |
| Mount Carmel Regional Cancer Center | Pittsburg | Kansas | 66762 | - |
| Pratt Cancer Center of Kansas | Pratt | Kansas | 67124 | - |
| Cancer Center of Kansas - Salina | Salina | Kansas | 67042 | - |
| Cancer Center at Stormont-Vail Regional Health Center | Topeka | Kansas | 66604 | - |
| St. Francis Comprehensive Cancer Center | Topeka | Kansas | 66606 | - |
| Cancer Center of Kansas - Wellington | Wellington | Kansas | 67152 | - |
| Associates in Womens Health | Wichita | Kansas | 67203 | - |
| Cancer Center of Kansas, P.A. | Wichita | Kansas | 67208 | - |
| Cancer Center of Kansas, P.A. - Wichita | Wichita | Kansas | 67214 | - |
| CCOP - Wichita | Wichita | Kansas | 67214 | - |
| Via Christi Cancer Center at Via Christi Regional Medical Center | Wichita | Kansas | 67214 | - |
| Cancer Center of Kansas - Winfield | Winfield | Kansas | 67156 | - |
| Baton Rouge General Regional Cancer Center | Baton Rouge | Louisiana | 70806 | - |
| Mary Bird Perkins Cancer Center - Baton Rouge | Baton Rouge | Louisiana | 70809 | - |
| Ochsner Clinic of Baton Rouge | Baton Rouge | Louisiana | 708169990 | - |
| Terrebonne General Medical Center | Houma | Louisiana | 70360 | - |
| Cancer Center at Medical Center of Louisiana - New Orleans | New Orleans | Louisiana | 70112 | - |
| CCOP - Ochsner | New Orleans | Louisiana | 70121 | - |
| MBCCOP - LSU Health Sciences Center | New Orleans | Louisiana | 70112 | - |
| Ochsner Cancer Institute at Ochsner Clinic Foundation | New Orleans | Louisiana | 70121 | - |
| CancerCare of Maine at Eastern Maine Medial Center | Bangor | Maine | 04401 | - |
| Greenebaum Cancer Center at University of Maryland Medical Center | Baltimore | Maryland | 21201-1595 | - |
| St. Agnes Cancer Center | Baltimore | Maryland | 21229 | - |
| Union Hospital Cancer Center at Union Hospital | Elkton MD | Maryland | 21921 | - |
| Beth Israel Deaconess Medical Center | Boston | Massachusetts | 02215 | - |
| Cancer Center at Tufts - New England Medical Center | Boston | Massachusetts | 02111 | - |
| Lahey Clinic Medical Center - Burlington | Burlington | Massachusetts | 01805 | - |
| Commonwealth Hematology-Oncology P.C. - Quincy | Quincy | Massachusetts | 02169 | - |
| UMASS Memorial Cancer Center - University Campus | Worcester | Massachusetts | 01655 | - |
| Hickman Cancer Center at Bixby Medical Center | Adrian | Michigan | 49221 | - |
| CCOP - Michigan Cancer Research Consortium | Ann Arbor | Michigan | 48100 | - |
| St. Joseph Mercy Cancer Center at St. Joseph Mercy Hospital | Ann Arbor | Michigan | 48106-0995 | - |
| Battle Creek Health System | Battle Creek | Michigan | 49017 | - |
| Mecosta County General Hospital | Big Rapids | Michigan | 49307 | - |
| Genesys Hurley Cancer Institute | Flint | Michigan | 48532 | - |
| CCOP - Grand Rapids | Grand Rapids | Michigan | 49503 | - |
| Lacks Cancer Center at Saint Mary's Mercy Medical Center | Grand Rapids | Michigan | 49503 | - |
| Metropolitan Hospital | Grand Rapids | Michigan | 49506 | - |
| Spectrum Health Cancer Care - Butterworth Campus | Grand Rapids | Michigan | 49503 | - |
| Spectrum Health Hospital - Blodgett Campus | Grand Rapids | Michigan | 49506 | - |
| Holland Community Hospital | Holland | Michigan | 49423 | - |
| Foote Hospital | Jackson | Michigan | 49201 | - |
| West Michigan Cancer Center | Kalamazoo | Michigan | 49007 | - |
| Haematology-Oncology Associates of Ohio and Michigan, P.C. | Lambertville | Michigan | 48144 | - |
| Community Cancer Center of Monroe | Monroe | Michigan | 48162 | - |
| Mercy Memorial Hospital System | Monroe | Michigan | 48162 | - |
| Hackley Hospital | Muskegon | Michigan | 49443 | - |
| Northern Michigan Hospital | Petoskey | Michigan | 49770 | - |
| William Beaumont Hospital - Royal Oak Campus | Royal Oak | Michigan | 48073 | - |
| Seton Cancer Institute - Saginaw | Saginaw | Michigan | 48601 | - |
| Oncology Care Associates, P.L.L.C. | Saint Joseph | Michigan | 49085 | - |
| Munson Medical Center | Traverse City | Michigan | 49684 | - |
| St. John Macomb Hospital | Warren | Michigan | 48903 | - |
| MeritCare Clinic - Bemidji | Bemidji | Minnesota | 56601 | - |
| Brainerd Medical Center | Brainerd | Minnesota | 56401 | - |
| Fairview Ridges Hospital | Burnsville | Minnesota | 55337 | - |
| Mercy Hospital | Coon Rapids | Minnesota | 55433 | - |
| Cancer Care Center at St. Luke's Hospital | Duluth | Minnesota | 55802 | - |
| Fairview Southdale Hospital | Edina | Minnesota | 55435 | - |
| Mercy and Unity Cancer Center at Mercy and Unity Hospitals | Fridley | Minnesota | 55432 | - |
| Hutchinson Area Health Care | Hutchinson | Minnesota | 55350 | - |
| Meeker County Memorial Hospital | Litchfield | Minnesota | 55355 | - |
| St. John's Hospital | Maplewood | Minnesota | 55109 | - |
| Fairview University Medical Center - University Campus | Minneapolis | Minnesota | 55455 | - |
| Hennepin County Medical Center - Minneapolis | Minneapolis | Minnesota | 55415 | - |
| Veterans Affairs Medical Center - Minneapolis | Minneapolis | Minnesota | 55417 | - |
| Virginia Piper Cancer Institute at Abbott-Northwestern Hospital | Minneapolis | Minnesota | 55407 | - |
| Chippewa County - Montevideo Hospital | Montevideo | Minnesota | 56265 | - |
| Hubert H. Humphrey Cancer Center at North Memorial Medical Center | Robbinsdale | Minnesota | 55422 | - |
| Mayo Clinic Cancer Center | Rochester | Minnesota | 55905 | - |
| Adult and Pediatric Urology, P.L.L.P. | Saint Cloud | Minnesota | 56303 | - |
| CentraCare Clinic - River Campus | Saint Cloud | Minnesota | 56303 | - |
| CCOP - Metro-Minnesota | Saint Louis Park | Minnesota | 55416 | - |
| Park Nicollet Clinic | Saint Louis Park | Minnesota | 55416 | - |
| Cancer Care Center at Regions Hospital | Saint Paul | Minnesota | 55101 | - |
| St. Joseph's Hospital | Saint Paul | Minnesota | 55102 | - |
| United Hospital | Saint Paul | Minnesota | 55102 | - |
| Saint Francis Cancer Center | Shakopee | Minnesota | 55379 | - |
| Ridgeview Medical Center | Waconia | Minnesota | 55387 | - |
| Woodwinds Hospital | Woodbury | Minnesota | 55125 | - |
| Hattiesburg Clinic, P.A. | Hattiesburg | Mississippi | 39401 | - |
| Hematology & Oncology Clinic | Hattiesburg | Mississippi | 34902 | - |
| Southeast Missouri Regional Cancer Center at Southeast Missouri Hospital | Cape Girardeau | Missouri | 63701 | - |
| St. Francis Medical Center | Cape Girardeau | Missouri | 63701 | - |
| Saint Luke's Hospital | Chesterfield | Missouri | 63017-3417 | - |
| Ellis Fischel Cancer Center at University of Missouri - Columbia | Columbia | Missouri | 65203 | - |
| Missouri Cancer Associates | Columbia | Missouri | 65201 | - |
| Freeman Cancer Institute at Freeman Health System | Joplin | Missouri | 64804 | - |
| CCOP - Kansas City | Kansas City | Missouri | 64131 | - |
| Hulston Cancer Center at Cox Medical Center South | Springfield | Missouri | 65807 | - |
| St. John's Regional Health Center | Springfield | Missouri | 65804 | - |
| CCOP - St. Louis-Cape Girardeau | St Louis | Missouri | 63141 | - |
| David C. Pratt Cancer Center at St. John's Mercy | St Louis | Missouri | 63141 | - |
| Missouri Baptist Cancer Center | St Louis | Missouri | 63131 | - |
| St. Anthony's Cancer Center | St Louis | Missouri | 63128 | - |
| CCOP - Montana Cancer Consortium | Billings | Montana | 59101 | - |
| Great Falls Clinic | Great Falls | Montana | 59405 | - |
| Sletten Regional Cancer Institute | Great Falls | Montana | 59405 | - |
| Fremont Area Medical Center | Fremont | Nebraska | 68025 | - |
| Cancer Center at the Good Samaritan Health Systems | Kearney | Nebraska | 68847 | - |
| Bryan LGH Medical Center West | Lincoln | Nebraska | 68502 | - |
| Cancer Resource Center - Lincoln | Lincoln | Nebraska | 68510 | - |
| St. Elizabeth Regional Medical Center | Lincoln | Nebraska | 68510 | - |
| Great Plains Regional Medical Center | North Platte | Nebraska | 69103 | - |
| Alegent Health - Immanuel Medical Center | Omaha | Nebraska | 68122 | - |
| Bergan Mercy Medical Center | Omaha | Nebraska | 68124 | - |
| Cancer Center at Creighton University Medical Center | Omaha | Nebraska | 68131 | - |
| CCOP - Missouri Valley Cancer Consortium | Omaha | Nebraska | 68106 | - |
| Methodist Hospital Cancer Center at Nebraska Methodist Hospital - Omaha | Omaha | Nebraska | 68114 | - |
| UNMC Eppley Cancer Center at the University of Nebraska Medical Center | Omaha | Nebraska | 68198 | - |
| Midlands Cancer Center at Midlands Community Hospital | Papillion | Nebraska | 68046 | - |
| CCOP - Southern Nevada Cancer Research Foundation | Las Vegas | Nevada | 89106 | - |
| University Medical Center of Southern Nevada | Las Vegas | Nevada | 89102 | - |
| Washoe Cancer Services at Washoe Medical Center - Reno | Reno | Nevada | 89502 | - |
| Kingsbury Center for Cancer Care at Cheshire Medical Center | Keene | New Hampshire | 03431 | - |
| Norris Cotton Cancer Center at Dartmouth-Hitchcock Medical Center | Lebanon | New Hampshire | 03756 | - |
| Elliot Regional Cancer Center | Manchester | New Hampshire | 03103 | - |
| Frisbie Memorial Hospital | Rochester | New Hampshire | 03867 | - |
| Cancer Institute of New Jersey at the Cooper University Hospital | Camden | New Jersey | 08103 | - |
| Veterans Affairs Medical Center - East Orange | East Orange | New Jersey | 07018-1095 | - |
| Hunterdon Regional Cancer Center at Hunterdon Medical Center | Flemington | New Jersey | 08822 | - |
| CCOP - Northern New Jersey | Hackensack | New Jersey | 07601 | - |
| Cancer Institute of New Jersey at Hamilton | Hamilton | New Jersey | 08690 | - |
| St. Barnabas Medical Center | Livingston | New Jersey | 07039 | - |
| Cancer Center at the Mountainside Hospital | Montclair | New Jersey | 07042 | - |
| Carol G. Simon Cancer Center at Morristown Memorial Hospital | Morristown | New Jersey | 07962 | - |
| Cancer Institute of New Jersey at UMDNJ - Robert Wood Johnson Medical School | New Brunswick | New Jersey | 08903 | - |
| Warren Hospital | Phillipsburg | New Jersey | 08865 | - |
| Overlook Hospital | Summit | New Jersey | 07902 | - |
| Hematology-Oncology Associates, PC | Albuquerque | New Mexico | 87106 | - |
| Lovelace Medical Center at Lovelace Sandia Health System | Albuquerque | New Mexico | 87108 | - |
| University of New Mexico Cancer Research and Treatment Center | Albuquerque | New Mexico | 87106 | - |
| Veterans Affairs Medical Center - Albuquerque | Albuquerque | New Mexico | 87108 | - |
| New Mexico Cancer Care Associates | Santa Fe | New Mexico | 87505 | - |
| Roswell Park Cancer Institute | Buffalo | New York | 14263 | - |
| Louis Busch Hager Cancer Center at Mary Imogene Bassett Hospital | Cooperstown | New York | 13326 | - |
| Charles R. Wood Cancer Center at Glens Falls Hospital | Glens Falls | New York | 12801 | - |
| Beth Israel Medical Center - Petrie Division | New York | New York | 10003 | - |
| St. Luke's-Roosevelt Hospital Center - St.Luke's Division | New York | New York | 10025 | - |
| Union State Bank Cancer Center at Nyack Hospital | Nyack | New York | 10960 | - |
| Lipson Cancer and Blood Center at Rochester General Hospital | Rochester | New York | 14621 | - |
| Long Island Cancer Center at Stony Brook University Hospital | Stony Brook | New York | 11794 | - |
| CCOP - Syracuse Hematology-Oncology Associates of Central New York, P.C. | Syracuse | New York | 13057 | - |
| St. Joseph's Hospital Health Center - Syracuse | Syracuse | New York | 13203 | - |
| SUNY Upstate Medical University Hospital | Syracuse | New York | 13210 | - |
| Comprehensive Cancer Center at Our Lady of Mercy Medical Center | The Bronx | New York | 10466 | - |
| Faxton Regional Cancer Center | Utica | New York | 13502 | - |
| Randolph Hospital | Asheboro | North Carolina | 27203 | - |
| Mission Hospitals - Memorial Campus | Asheville | North Carolina | 28801 | - |
| Lineberger Comprehensive Cancer Center at University of North Carolina - Chapel Hill | Chapel Hill | North Carolina | 27599 | - |
| Presbyterian Cancer Center at Presbyterian Hospital | Charlotte | North Carolina | 28233 | - |
| Batte Cancer Center at Northeast Medical Center | Concord | North Carolina | 28025 | - |
| Duke Comprehensive Cancer Center | Durham | North Carolina | 27710 | - |
| John Smith, Jr./Dalton McMichael Cancer Center at Morehead Memorial Hospital | Eden | North Carolina | 27288 | - |
| Comprehensive Cancer Center at Gaston Memorial | Gastonia | North Carolina | 28053 | - |
| Wayne Memorial Hospital, Incorporated | Goldsboro | North Carolina | 27534 | - |
| Moses Cone Regional Cancer Center at Wesley Long Community Hospital | Greensboro | North Carolina | 27401 | - |
| Leo W. Jenkins Cancer Center at Pitt County Memorial Hospital | Greenville | North Carolina | 27858 | - |
| Pardee Memorial Hospital | Hendersonville | North Carolina | 28791 | - |
| Lenoir Memorial Cancer Center | Kinston | North Carolina | 28501 | - |
| Annie Penn Cancer Center | Reidsville | North Carolina | 27320 | - |
| Rutherford Hospital | Rutherfordton | North Carolina | 28139 | - |
| Comprehensive Cancer Center at Wake Forest University | Winston-Salem | North Carolina | 27157 | - |
| Forsyth Regional Cancer Center at Forsyth Medical Center | Winston-Salem | North Carolina | 27103 | - |
| Bismarck Cancer Center | Bismarck | North Dakota | 58501 | - |
| Medcenter One Health System | Bismarck | North Dakota | 58501 | - |
| Mid Dakota Clinic, P.C. | Bismarck | North Dakota | 58501 | - |
| CCOP - MeritCare Hospital | Fargo | North Dakota | 58122 | - |
| Dakota Cancer Institute at Innovis Health - Dakota Clinic | Fargo | North Dakota | 58103 | - |
| MeritCare Medical Group | Fargo | North Dakota | 58122 | - |
| Trinity Cancer Care Center | Minot | North Dakota | 58701 | - |
| Akron City Hospital at Summa Health System | Akron | Ohio | 44304 | - |
| St. Elizabeth Boardman Cancer Center | Boardman | Ohio | 44512 | - |
| Wood County Oncology Center | Bowling Green | Ohio | 43402 | - |
| Aultman Hospital Cancer Center at Aultman Health Foundation | Canton | Ohio | 44710 | - |
| University Hospitals Ireland Cancer Center at Mercy Medical Center | Canton | Ohio | 44708 | - |
| Adena Regional Medical Center | Chillicothe | Ohio | 54601 | - |
| MetroHealth's Cancer Care Center at MetroHealth Medical Center | Cleveland | Ohio | 44109 | - |
| Arthur G. James Cancer Hospital and Solove Research Institute at Ohio State University | Columbus | Ohio | 43210 | - |
| CCOP - Columbus | Columbus | Ohio | 43215 | - |
| Doctors Hospital at Ohio Health | Columbus | Ohio | 43228 | - |
| Grant Riverside Cancer Services | Columbus | Ohio | 43215 | - |
| Mount Carmel West Hospital | Columbus | Ohio | 43222 | - |
| Riverside Methodist Hospital Cancer Care | Columbus | Ohio | 43214 | - |
| CCOP - Dayton | Dayton | Ohio | 45429 | - |
| Good Samaritan Hospital | Dayton | Ohio | 45406 | - |
| Grandview Hospital | Dayton | Ohio | 45405 | - |
| Miami Valley Hospital | Dayton | Ohio | 45409 | - |
| Samaritan North Cancer Care Center | Dayton | Ohio | 45415 | - |
| Veterans Affairs Medical Center - Dayton | Dayton | Ohio | 45428 | - |
| Grady Memorial Hospital | Delaware | Ohio | 43015 | - |
| Blanchard Valley Medical Associates | Findlay | Ohio | 45840 | - |
| Fremont Memorial Hospital | Fremont | Ohio | 43420 | - |
| Kenton Oncology, Inc. | Kenton | Ohio | 43326 | - |
| Charles F. Kettering Memorial Hospital | Kettering | Ohio | 45429 | - |
| Fairfield Medical Center | Lancaster | Ohio | 43130 | - |
| Lima Memorial Hospital | Lima | Ohio | 45804 | - |
| St. Rita's Medical Center | Lima | Ohio | 45801 | - |
| MedCentral - Mansfield Hospital | Mansfield | Ohio | 44903 | - |
| Strecker Cancer Center at Marietta Memorial Hospital | Marietta | Ohio | 45750 | - |
| Northwest Ohio Oncology Center | Maumee | Ohio | 43537 | - |
| St. Luke's Hospital | Maumee | Ohio | 43537 | - |
| Middletown Regional Hospital | Middletown | Ohio | 45044 | - |
| Licking Memorial Cancer Care Program at Licking Memorial Hospital | Newark | Ohio | 43055 | - |
| St. Charles Mercy Hospital | Oregon | Ohio | 43616 | - |
| Toledo Clinic | Oregon | Ohio | 43616 | - |
| Firelands Regional Medical Center | Sandusky | Ohio | 44870 | - |
| North Coast Cancer Care, Incorporated | Sandusky | Ohio | 44870 | - |
| Community Hospital of Springfield and Clark County | Springfield | Ohio | 45505 | - |
| Mercy Medical Center Oncology Unit | Springfield | Ohio | 45504 | - |
| Promedica Cancer Center at Flower Hospital | Sylvania | Ohio | 43560 | - |
| Mercy Hospital of Tiffin | Tiffin | Ohio | 44883 | - |
| CCOP - Toledo Community Hospital | Toledo | Ohio | 43623 | - |
| Medical College of Ohio Cancer Institute | Toledo | Ohio | 43614 | - |
| St. Vincent Mercy Medical Center | Toledo | Ohio | 43608 | - |
| Toledo Clinic, Incorporated | Toledo | Ohio | 43623 | - |
| Toledo Hospital | Toledo | Ohio | 43606 | - |
| Toledo Surgical Specialists | Toledo | Ohio | 43623 | - |
| UVMC Cancer Care Center at Upper Valley Medical Center | Troy | Ohio | 45373 | - |
| St. Joseph Health Care Center | Warren | Ohio | 44484 | - |
| Fulton County Health Center | Wauseon | Ohio | 43567 | - |
| United States Air Force Medical Center Wright-Patterson | Wright-Patterson AFB | Ohio | 45433-5529 | - |
| Ruth G. McMillan Cancer Center at Greene Memorial Hospital | Xenia | Ohio | 45385 | - |
| St. Elizabeth Cancer Center at St. Elizabeth Health Center - Youngstown | Youngstown | Ohio | 44510 | - |
| Comanche County Memorial Hospital | Lawton | Oklahoma | 73505 | - |
| Mercy Health Center | Oklahoma City | Oklahoma | 73120 | - |
| Oklahoma University Medical Center | Oklahoma City | Oklahoma | 73104 | - |
| Natalie Warren Bryant Cancer Center at St. Francis Hospital | Tulsa | Oklahoma | 74136 | - |
| CCOP - Columbia River Oncology Program | Portland | Oregon | 97225 | - |
| Kaiser Permanente Health Care - Portland | Portland | Oregon | 97232 | - |
| Abington Memorial Hospital | Abington | Pennsylvania | 19001 | - |
| John and Dorothy Morgan Cancer Center at Lehigh Valley Hospital | Allentown | Pennsylvania | 18105 | - |
| St. Luke's Hospital Cancer Center | Bethlehem | Pennsylvania | 18015 | - |
| Geisinger Medical Center | Danville | Pennsylvania | 17822-2001 | - |
| Oncology Hematology Associates of Northern Pennsylvania, P.C. at Hahne Regional Cancer Center | DuBois | Pennsylvania | 15801 | - |
| PinnacleHealth Regional Cancer Center at Polyclinic Hospital | Harrisburg | Pennsylvania | 17105 | - |
| Penn State Cancer Institute at Milton S. Hershey Medical Center | Hershey | Pennsylvania | 17033-0850 | - |
| Lancaster General Hospital | Lancaster | Pennsylvania | 17604 | - |
| Central Pennsylvania Hematology and Medical Oncology Associates, PC | Lemoyne | Pennsylvania | 17043 | - |
| Lewistown Hospital | Lewistown | Pennsylvania | 17044 | - |
| Albert Einstein Cancer Center | Philadelphia | Pennsylvania | 19141 | - |
| Joan Karnell Cancer Center at Pennsylvania Hospital | Philadelphia | Pennsylvania | 19107 | - |
| Allegheny Cancer Center at Allegheny General Hospital | Pittsburgh | Pennsylvania | 15212 | - |
| Western Pennsylvania Cancer Institute at Western Pennsylvania Hospital | Pittsburgh | Pennsylvania | 15224-1791 | - |
| Pottstown Memorial Regional Cancer Center | Pottstown | Pennsylvania | 19464 | - |
| Guthrie Medical Center - Sayre | Sayre | Pennsylvania | 18840 | - |
| Hematology and Oncology Associates | Scranton | Pennsylvania | 18510 | - |
| Mercy Hospital Cancer Center - Scranton | Scranton | Pennsylvania | 18501 | - |
| Geisinger Medical Group | State College | Pennsylvania | 16801 | - |
| Mount Nittany Medical Center | State College | Pennsylvania | 16803 | - |
| Geisinger Wyoming Valley Medical Center | Wilkes-Barre | Pennsylvania | 18711 | - |
| Miriam Hospital at Lifespan | Providence | Rhode Island | 02906 | - |
| Rhode Island Hospital | Providence | Rhode Island | 02903 | - |
| Rose Ramer Cancer Clinic at Anderson Area Medical Center | Anderson | South Carolina | 29621 | - |
| South Carolina Oncology Associates | Columbia | South Carolina | 29210 | - |
| Bon Secours St. Francis Health System | Greenville | South Carolina | 29601 | - |
| CCOP - Greenville | Greenville | South Carolina | 29615 | - |
| Greenville Hospital System Cancer Center | Greenville | South Carolina | 29605 | - |
| CCOP - Upstate Carolina | Spartanburg | South Carolina | 29304 | - |
| Gibbs Regional Cancer Center at Spartanburg Regional Medical Center | Spartanburg | South Carolina | 29303 | - |
| Rapid City Regional Hospital | Rapid City | South Dakota | 57701 | - |
| Avera McKennan Hospital and University Health Center | Sioux Falls | South Dakota | 57105 | - |
| Medical X-Ray Center | Sioux Falls | South Dakota | 57105 | - |
| Sioux Valley Hospital and University of South Dakota Medical Center | Sioux Falls | South Dakota | 57104 | - |
| Jones Clinic | Germantown | Tennessee | 38138 | - |
| Baptist Hospital Of East Tennessee | Knoxville | Tennessee | 37920 | - |
| Thompson Cancer Survival Center | Knoxville | Tennessee | 37916 | - |
| Arlington Cancer Center - Arlington | Arlington | Texas | 76012 | - |
| Medical City Dallas Hospital | Dallas | Texas | 75230 | - |
| Simmons Cancer Center at University of Texas Southwestern Medical Center - Dallas | Dallas | Texas | 75390 | - |
| CCOP - Scott and White Hospital | Temple | Texas | 76508 | - |
| Mountainview Medical | Berlin Corners | Vermont | 05602 | - |
| Fletcher Allen Health Care - University Health Center Campus | Burlington | Vermont | 05401 | - |
| Cancer Center at the University of Virginia | Charlottesville | Virginia | 22908 | - |
| Danville Regional Medical Center | Danville | Virginia | 24541 | - |
| Virginia Oncology Associates - Hampton | Hampton | Virginia | 23666 | - |
| Rappahannock General Hospital | Kilmarnock | Virginia | 22482 | - |
| Lynchburg Hematology-Oncology Clinic | Lynchburg | Virginia | 24501 | - |
| Massey Cancer Center at Virginia Commonwealth University | Richmond | Virginia | 23298 | - |
| Providence Cancer Center at Holy Family Hospital | Spokane | Washington | 99207 | - |
| Providence Cancer Center at Sacred Heart Medical Center | Spokane | Washington | 99204 | - |
| North Star Lodge Cancer Center | Yakima | Washington | 98902 | - |
| Washington Hematology - Oncology Specialists | Yakima | Washington | 98902 | - |
| West Virginia University - Robert C. Byrd Health Sciences Center - Charleston Division | Charleston | West Virginia | 25304 | - |
| Marshall University Medical Center | Huntington | West Virginia | 25701 | - |
| St. Mary's Medical Center | Huntington | West Virginia | 25702 | - |
| Mary Babb Randolph Cancer Center at West Virginia University Hospitals | Morgantown | West Virginia | 26506 | - |
| Fox Valley Hematology and Oncology | Appleton | Wisconsin | 54911-3496 | - |
| Vince Lombardi Cancer Center - Elkhorn | Elkhorn | Wisconsin | 53121 | - |
| Oncology Alliance, S.C. - Milwaukee - East | Glendale | Wisconsin | 53212 | - |
| Vince Lombardi Cancer Clinic - Green Bay at Aurora BayCare Medical Center | Green Bay | Wisconsin | 54311-6519 | - |
| Gundersen Lutheran Cancer Center at Gundersen Lutheran Medical Center | La Crosse | Wisconsin | 54601 | - |
| University of Wisconsin Comprehensive Cancer Center | Madison | Wisconsin | 53792 | - |
| UW Health Oncology | Madison | Wisconsin | 53715 | - |
| Holy Family Memorial Medical Center | Manitowoc | Wisconsin | 54221 | - |
| Marshfield Clinic - Marshfield Center | Marshfield | Wisconsin | 54449 | - |
| Froedtert Hospital and Medical College of Wisconcin | Milwaukee | Wisconsin | 53226-3596 | - |
| Medical College of Wisconsin Cancer Center | Milwaukee | Wisconsin | 53226 | - |
| Medical Consultants | Milwaukee | Wisconsin | 53215 | - |
| Oconomowoc Memorial Hospital | Oconomowoc | Wisconsin | 53066-3896 | - |
| All Saints Cancer Center at All Saints Healthcare | Racine | Wisconsin | 53405 | - |
| Vince Lombardi Cancer Clinic - Sheboygan | Sheboygan | Wisconsin | 53081 | - |
| Waukesha Memorial Hospital Regional Cancer Center | Waukesha | Wisconsin | 53188 | - |
| University of Wisconsin Cancer Center at Aspirus Wausau Hospital | Wausau | Wisconsin | 54401 | - |