| Mayo Clinic Scottsdale | Scottsdale | Arizona | 85259-5499 | - |
| Rebecca and John Moores UCSD Cancer Center | La Jolla | California | 92093-0658 | - |
| Palchak David MD | Pismo Beach | California | 93449 | - |
| Aurora Presbyterian Hospital | Aurora | Colorado | 80012 | - |
| Boulder Community Hospital | Boulder | Colorado | 80301-9019 | - |
| Boulder Community Hospital | Boulder | Colorado | 80301 | - |
| Penrose Cancer Center at Penrose Hospital | Colorado Springs | Colorado | 80933 | - |
| Porter Adventist Hospital | Denver | Colorado | 80210 | - |
| Presbyterian - St. Luke's Medical Center | Denver | Colorado | 80218 | - |
| Rose Medical Center | Denver | Colorado | 80220 | - |
| St. Anthony Central Hospital | Denver | Colorado | 80204 | - |
| St. Joseph Hospital | Denver | Colorado | 80218 | - |
| Swedish Medical Center | Englewood | Colorado | 80110 | - |
| North Colorado Medical Center | Greeley | Colorado | 80631 | - |
| Sky Ridge Medical Center | Lone Tree | Colorado | 80124 | - |
| Hope Cancer Care Center at Longmont United Hospital | Longmont | Colorado | 80501 | - |
| McKee Medical Center | Loveland | Colorado | 80539 | - |
| St. Mary - Corwin Regional Medical Center | Pueblo | Colorado | 81004 | - |
| Exempla Lutheran Medical Center | Wheat Ridge | Colorado | 80033 | - |
| Saint Francis/Mount Sinai Regional Cancer Center at Saint Francis Hospital and Medical Center | Hartford | Connecticut | 06105 | - |
| Beebe Medical Center | Lewes | Delaware | 19958 | - |
| Tunnell Cancer Center at Beebe Medical Center | Lewes | Delaware | 19958 | - |
| CCOP - Christiana Care Health Services | Newark | Delaware | 19713 | - |
| Lombardi Comprehensive Cancer Center at Georgetown University Medical Center | Washington D.C. | District of Columbia | 20007 | - |
| Michael and Dianne Bienes Comprehensive Cancer Center at Holy Cross Hospital | Fort Lauderdale | Florida | 33308 | - |
| Memorial Cancer Institute at Memorial Regional Hospital | Hollywood | Florida | 33021 | - |
| Memorial Regional Hospital/Joe DiMaggio Children's Hospital | Hollywood | Florida | 33021 | - |
| Mayo Clinic - Jacksonville | Jacksonville | Florida | 32224 | - |
| Ella Milbank Foshay Cancer Center at Jupiter Medical Center | Jupiter | Florida | 33458 | - |
| CCOP - Mount Sinai Medical Center | Miami Beach | Florida | 33140 | - |
| Florida Hospital Cancer Institute at Florida Hospital Orlando | Orlando | Florida | 32803-1273 | - |
| John B Amos Cancer Center | Columbus | Georgia | 31904 | - |
| Kapiolani Medical Center at Pali Momi | ‘Aiea | Hawaii | 96701 | - |
| Oncare Hawaii, Incorporated - Pali Momi | ‘Aiea | Hawaii | 96701 | - |
| Cancer Research Center of Hawaii | Honolulu | Hawaii | 96813 | - |
| Kapiolani Medical Center for Women and Children | Honolulu | Hawaii | 96826 | - |
| Kuakini Medical Center | Honolulu | Hawaii | 96817 | - |
| Oncare Hawaii Inc-POB II | Honolulu | Hawaii | 96813 | - |
| 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 | - |
| Straub Clinic and Hospital, Incorporated | Honolulu | Hawaii | 96813 | - |
| University of Hawaii | Honolulu | Hawaii | 96813 | - |
| Castle Medical Center | Kailua | Hawaii | 96734 | - |
| Kauai Medical Clinic | Lihue | Hawaii | 96766 | - |
| Wilcox Memorial Hospital and Kauai Medical Clinic | Lihue | Hawaii | 96766 | - |
| Saint Alphonsus Cancer Care Center at Saint Alphonsus Regional Medical Center | Boise | Idaho | 83706 | - |
| Rush-Copley Cancer Care Center | Aurora | Illinois | 60504 | - |
| Illinois CancerCare - Bloomington | Bloomington | Illinois | 61701 | - |
| Illinois CancerCare - Canton | Canton | Illinois | 61520 | - |
| Illinois CancerCare - Carthage | Carthage | Illinois | 62321 | - |
| Rush University Medical Center | Chicago | Illinois | 60612 | - |
| Eureka Community Hospital | Eureka | Illinois | 61530 | - |
| Illinois CancerCare - Eureka | Eureka | Illinois | 61530 | - |
| Galesburg Clinic, PC | Galesburg | Illinois | 61401 | - |
| Illinois CancerCare - Havana | Havana | Illinois | 62644 | - |
| Illinois CancerCare - Kewanee Clinic | Kewanee | Illinois | 61443 | - |
| Illinois CancerCare - Macomb | Macomb | Illinois | 61455 | - |
| Illinois CancerCare - Monmouth | Monmouth | Illinois | 61462 | - |
| BroMenn Regional Medical Center | Normal | Illinois | 61761 | - |
| Community Cancer Center | Normal | Illinois | 61761 | - |
| Illinois CancerCare - Community Cancer Center | Normal | Illinois | 61761 | - |
| Community Hospital of Ottawa | Ottawa | Illinois | 61350 | - |
| Illinois CancerCare-Ottawa Clinic | Ottawa | Illinois | 61350 | - |
| Oncology Hematology Associates of Central Illinois, PC - Ottawa | Ottawa | Illinois | 61350 | - |
| Ottawa Regional Hospital and Healthcare Center | Ottawa | Illinois | 61350 | - |
| Cancer Treatment Center at Pekin Hospital | Pekin | Illinois | 61554 | - |
| Illinois CancerCare - Pekin | Pekin | Illinois | 61603 | - |
| CCOP - Illinois Oncology Research Association | Peoria | Illinois | 61615 | - |
| Methodist Medical Center of Illinois | Peoria | Illinois | 61636 | - |
| Oncology Hematology Associates of Central Illinois, PC - Peoria | Peoria | Illinois | 61615 | - |
| Proctor Hospital | Peoria | Illinois | 61614 | - |
| Illinois CancerCare - Peru | Peru | Illinois | 61354 | - |
| Illinois Valley Community Hospital | Peru | Illinois | 61354 | - |
| Illinois CancerCare - Princeton | Princeton | Illinois | 61356 | - |
| Illinois CancerCare - Spring Valley | Spring Valley | Illinois | 61362 | - |
| CCOP - Carle Cancer Center | Urbana | Illinois | 61801 | - |
| St. Francis Hospital Cancer Care Services | Indianapolis | Indiana | 46237 | - |
| Reid Hospital & Health Care Services | Richmond | Indiana | 47374 | - |
| McFarland Clinic, PC | Ames | Iowa | 50010 | - |
| Cedar Rapids Oncology Association | Cedar Rapids | Iowa | 52403 | - |
| Mercy Hospital | Cedar Rapids | Iowa | 52403 | - |
| Oncology Associates at Mercy Medical Center | Cedar Rapids | Iowa | 52403 | - |
| Medical Oncology and Hematology Associates - West Des Moines | Clive | Iowa | 50325 | - |
| Mercy Cancer Center - West Lakes | Clive | Iowa | 50325 | - |
| 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 Cancer Center at Mercy Medical Center - North Iowa | Mason City | Iowa | 50401 | - |
| Mercy Medical Center - Sioux City | Sioux City | Iowa | 51102 | - |
| Siouxland Hematology-Oncology Associates, LLP | Sioux City | Iowa | 51101 | - |
| St. Luke's Regional Medical Center | Sioux City | Iowa | 51104 | - |
| Mercy Medical Center-West Lakes | West Des Moines | Iowa | 50266 | - |
| Methodist West Hospital | West Des Moines | Iowa | 50266-7700 | - |
| Cancer Center of Kansas - Chanute | Chanute | Kansas | 66720 | - |
| Cancer Center of Kansas, PA - Chanute | Chanute | Kansas | 66720 | - |
| Cancer Center of Kansas - Dodge City | Dodge City | Kansas | 67801 | - |
| Cancer Center of Kansas, PA - Dodge City | Dodge City | Kansas | 67801 | - |
| Cancer Center of Kansas - El Dorado | El Dorado | Kansas | 67042 | - |
| Cancer Center of Kansas, PA - El Dorado | El Dorado | Kansas | 67042 | - |
| Cancer Center of Kansas - Fort Scott | Fort Scott | Kansas | 66701 | - |
| Cancer Center of Kansas-Independence | Independence | Kansas | 67301 | - |
| Cancer Center of Kansas, PA - Kingman | Kingman | Kansas | 67068 | - |
| Lawrence Memorial Hospital | Lawrence | Kansas | 66044 | - |
| Cancer Center of Kansas, PA - Liberal | Liberal | Kansas | 67901 | - |
| Cancer Center of Kansas - Newton | Newton | Kansas | 67114 | - |
| Cancer Center of Kansas, PA - Newton | Newton | Kansas | 67114 | - |
| Cancer Center of Kansas - Parsons | Parsons | Kansas | 67357 | - |
| Cancer Center of Kansas, PA - Parsons | Parsons | Kansas | 67357 | - |
| Cancer Center of Kansas - Pratt | Pratt | Kansas | 67124 | - |
| Cancer Center of Kansas, PA - Pratt | Pratt | Kansas | 67124 | - |
| Cancer Center of Kansas - Salina | Salina | Kansas | 67401 | - |
| Cancer Center of Kansas, PA - Salina | Salina | Kansas | 67401 | - |
| Cancer Center of Kansas - Wellington | Wellington | Kansas | 67152 | - |
| Cancer Center of Kansas, PA - Wellington | Wellington | Kansas | 67152 | - |
| Associates in Women's Health - Wichita | Wichita | Kansas | 67208 | - |
| Associates in Womens Health, PA - North Review | Wichita | Kansas | 67208 | - |
| Cancer Center of Kansas - Main Office | Wichita | Kansas | 67214 | - |
| Cancer Center of Kansas, PA - Medical Arts Tower | Wichita | Kansas | 67208 | - |
| Cancer Center of Kansas, PA - Wichita | Wichita | Kansas | 67214 | - |
| CCOP - Wichita | Wichita | Kansas | 67214 | - |
| Via Christi Cancer Center at Via Christi Regional Medical Center | Wichita | Kansas | 67214 | - |
| Wesley Medical Center | Wichita | Kansas | 67214 | - |
| Cancer Center of Kansas - Winfield | Winfield | Kansas | 67156 | - |
| Cancer Center of Kansas, PA - Winfield | Winfield | Kansas | 67156 | - |
| Harold Alfond Center for Cancer Care | Augusta | Maine | 04330 | - |
| CancerCare of Maine at Eastern Maine Medical Center | Bangor | Maine | 04401 | - |
| Union Hospital of Cecil County | Elkton | Maryland | 21921 | - |
| Bixby Medical Center | Adrian | Michigan | 49221 | - |
| Hickman Cancer Center at Bixby Medical Center | Adrian | Michigan | 49221 | - |
| Toledo Clinic Cancer Centers - Adrian | Adrian | Michigan | 49221 | - |
| Toledo Clinic Cancer Centers-Adrian | Adrian | Michigan | 49221 | - |
| CCOP - Michigan Cancer Research Consortium | Ann Arbor | Michigan | 48106 | - |
| Saint Joseph Mercy Cancer Center | Ann Arbor | Michigan | 48106-0995 | - |
| Oakwood Cancer Center at Oakwood Hospital and Medical Center | Dearborn | Michigan | 48123-2500 | - |
| Saint John Hospital and Medical Center | Detroit | Michigan | 48236 | - |
| Hurley Medical Center | Flint | Michigan | 48503 | - |
| Van Elslander Cancer Center at St. John Hospital and Medical Center | Grosse Pointe Woods | Michigan | 48236 | - |
| Foote Memorial Hospital | Jackson | Michigan | 49201 | - |
| Sparrow Regional Cancer Center | Lansing | Michigan | 48912-1811 | - |
| St. Mary Mercy Hospital | Livonia | Michigan | 48154 | - |
| Community Cancer Center of Monroe | Monroe | Michigan | 48162 | - |
| Mercy Memorial Hospital - Monroe | Monroe | Michigan | 48162 | - |
| Toledo Clinic Cancer Centers-Monroe | Monroe | Michigan | 48162 | - |
| St. Joseph Mercy Oakland | Pontiac | Michigan | 48341-2985 | - |
| Mercy Regional Cancer Center at Mercy Hospital | Port Huron | Michigan | 48060 | - |
| Saint Joseph Mercy Port Huron | Port Huron | Michigan | 48060 | - |
| Seton Cancer Institute at Saint Mary's - Saginaw | Saginaw | Michigan | 48601 | - |
| St. John Macomb Hospital | Warren | Michigan | 48093 | - |
| MeritCare Bemidji | Bemidji | Minnesota | 56601 | - |
| Sanford Clinic North-Bemidji | Bemidji | Minnesota | 56601 | - |
| Fairview Ridges Hospital | Burnsville | Minnesota | 55337 | - |
| Mercy and Unity Cancer Center at Mercy Hospital | Coon Rapids | Minnesota | 55433 | - |
| CCOP - Duluth | Duluth | Minnesota | 55805 | - |
| Essentia Health - Duluth Clinic | Duluth | Minnesota | 55805-1983 | - |
| Essentia Health Saint Mary's Medical Center | Duluth | Minnesota | 55805 | - |
| Miller - Dwan Medical Center | Duluth | Minnesota | 55805 | - |
| Fairview Southdale Hospital | Edina | Minnesota | 55435 | - |
| Mercy and Unity Cancer Center at Unity Hospital | Fridley | Minnesota | 55432 | - |
| Hutchinson Area Health Care | Hutchinson | Minnesota | 55350 | - |
| HealthEast Cancer Care at St. John's Hospital | Maplewood | Minnesota | 55109 | - |
| Minnesota Oncology - Maplewood | Maplewood | Minnesota | 55109 | - |
| Hennepin County Medical Center - Minneapolis | Minneapolis | Minnesota | 55415 | - |
| Virginia Piper Cancer Institute at Abbott - Northwestern Hospital | Minneapolis | Minnesota | 55407 | - |
| New Ulm Medical Center | New Ulm | Minnesota | 56073 | - |
| Humphrey Cancer Center at North Memorial Outpatient Center | Robbinsdale | Minnesota | 55422-2900 | - |
| Mayo Clinic Cancer Center | Rochester | Minnesota | 55905 | - |
| CentraCare Clinic - River Campus | Saint Cloud | Minnesota | 56303 | - |
| Coborn Cancer Center | Saint Cloud | Minnesota | 56303 | - |
| Saint Cloud Hospital | Saint Cloud | Minnesota | 56303 | - |
| CCOP - Metro-Minnesota | Saint Louis Park | Minnesota | 55416 | - |
| Park Nicollet Cancer Center | Saint Louis Park | Minnesota | 55416 | - |
| Regions Hospital Cancer Care Center | Saint Paul | Minnesota | 55101 | - |
| United Hospital | Saint Paul | Minnesota | 55102 | - |
| St. Francis Cancer Center at St. Francis Medical Center | Shakopee | Minnesota | 55379 | - |
| Lakeview Hospital | Stillwater | Minnesota | 55082 | - |
| Ridgeview Medical Center | Waconia | Minnesota | 55387 | - |
| Willmar Cancer Center at Rice Memorial Hospital | Willmar | Minnesota | 56201 | - |
| Minnesota Oncology - Woodbury | Woodbury | Minnesota | 55125 | - |
| Siteman Cancer Center at Barnes-Jewish Hospital - Saint Louis | St Louis | Missouri | 63110 | - |
| Washington University School of Medicine | St Louis | Missouri | 63110 | - |
| Billings Clinic | Billings | Montana | 59107-7000 | - |
| Billings Clinic - Downtown | Billings | Montana | 59107-7000 | - |
| CCOP - Montana Cancer Consortium | Billings | Montana | 59101 | - |
| Frontier Cancer Center and Blood Institutes-Billings | Billings | Montana | 59102 | - |
| Hematology-Oncology Centers of the Northern Rockies - Billings | Billings | Montana | 59102 | - |
| St. Vincent Healthcare Cancer Care Services | Billings | Montana | 59101 | - |
| Bozeman Deaconess Cancer Center | Bozeman | Montana | 59715 | - |
| Bozeman Deaconess Hospital | Bozeman | Montana | 59715 | - |
| St. James Healthcare Cancer Care | Butte | Montana | 59701 | - |
| Benefis Healthcare - Sletten Cancer Institute | Great Falls | Montana | 59405 | - |
| Benefis Sletten Cancer Institute | Great Falls | Montana | 59405 | - |
| St. Peter's Hospital | Helena | Montana | 59601 | - |
| Kalispell Regional Medical Center | Kalispell | Montana | 59901 | - |
| Montana Cancer Center at St. Patrick Hospital and Health Sciences Center | Missoula | Montana | 59807 | - |
| Montana Cancer Specialists at Montana Cancer Center | Missoula | Montana | 59807-7877 | - |
| Saint Francis Cancer Treatment Center at Saint Francis Memorial Health Center | Grand Island | Nebraska | 68803 | - |
| Cancer Resource Center - Lincoln | Lincoln | Nebraska | 68510 | - |
| Nebraska Cancer Research Center | Lincoln | Nebraska | 68510 | - |
| Callahan Cancer Center at Great Plains Regional Medical Center | North Platte | Nebraska | 69103 | - |
| Alegant Health Cancer Center at Bergan Mercy Medical Center | Omaha | Nebraska | 68124 | - |
| Alegent Health Lakeside Hospital | Omaha | Nebraska | 68130 | - |
| CCOP - Missouri Valley Cancer Consortium | Omaha | Nebraska | 68106 | - |
| Creighton University Medical Center | Omaha | Nebraska | 68131-2197 | - |
| Immanuel Medical Center | Omaha | Nebraska | 68122 | - |
| Lakeside Hospital | Omaha | Nebraska | 68130 | - |
| UNMC Eppley Cancer Center at the University of Nebraska Medical Center | Omaha | Nebraska | 68198-6805 | - |
| Nevada Cancer Research Foundation CCOP | Las Vegas | Nevada | 89106 | - |
| University Medical Center of Southern Nevada | Las Vegas | Nevada | 89102 | - |
| New Hampshire Oncology - Hematology, PA at Payson Center for Cancer Care | Concord | New Hampshire | 03301 | - |
| New Hampshire Oncology-Hematology PA | Concord | New Hampshire | 03301 | - |
| New Hampshire Oncology - Hematology, PA - Hooksett | Hooksett | New Hampshire | 03106 | - |
| Lakes Region General Hospital | Laconia | New Hampshire | 03246 | - |
| Dartmouth Hitchcock Medical Center | Lebanon | New Hampshire | 03756 | - |
| Norris Cotton Cancer Center at Dartmouth-Hitchcock Medical Center | Lebanon | New Hampshire | 03756-0002 | - |
| Cooper Hospital University Medical Center | Camden | New Jersey | 08103 | - |
| Valley Hospital - Ridgewood | Ridgewood | New Jersey | 07450 | - |
| Cancer Institute of New Jersey at Cooper - Voorhees | Voorhees Township | New Jersey | 08043 | - |
| Mount Kisco Medical Group at Northern Westchester Hospital | Mount Kisco | New York | 10549 | - |
| Mount Sinai Medical Center | New York | New York | 10029 | - |
| Wayne Memorial Hospital, Incorporated | Goldsboro | North Carolina | 27534 | - |
| Kinston Medical Specialists | Kinston | North Carolina | 28501 | - |
| Wake Forest University Health Sciences | Winston-Salem | North Carolina | 27157 | - |
| Medcenter One Hospital Cancer Care Center | Bismarck | North Dakota | 58501 | - |
| Mid Dakota Clinic, PC | Bismarck | North Dakota | 58501 | - |
| Sanford Bismarck Medical Center | Bismarck | North Dakota | 58501 | - |
| St. Alexius Medical Center Cancer Center | Bismarck | North Dakota | 58502 | - |
| Dakota Cancer Institute at Dakota Clinic - South University | Fargo | North Dakota | 58103 | - |
| Essentia Health Cancer Center-South University Clinic | Fargo | North Dakota | 58103 | - |
| MeritCare Broadway | Fargo | North Dakota | 58102 | - |
| Sanford Clinic North-Fargo | Fargo | North Dakota | 58102 | - |
| Sanford Medical Center-Fargo | Fargo | North Dakota | 58122 | - |
| Sanford Roger Maris Cancer Center | Fargo | North Dakota | 58122 | - |
| Altru Cancer Center at Altru Hospital | Grand Forks | North Dakota | 58201 | - |
| Wood County Oncology Center | Bowling Green | Ohio | 43402 | - |
| Charles M. Barrett Cancer Center at University Hospital | Cincinnati | Ohio | 45267 | - |
| University of Cincinnati | Cincinnati | Ohio | 45267 | - |
| CCOP - Dayton | Dayton | Ohio | 45420 | - |
| David L. Rike Cancer Center at Miami Valley Hospital | Dayton | Ohio | 45409 | - |
| Good Samaritan Hospital | Dayton | Ohio | 45406 | - |
| Grandview Hospital | Dayton | Ohio | 45405 | - |
| Samaritan North Cancer Care Center | Dayton | Ohio | 45415 | - |
| Community Cancer Center | Elyria | Ohio | 44035 | - |
| Hematology Oncology Center | Elyria | Ohio | 44035 | - |
| Blanchard Valley Medical Associates | Findlay | Ohio | 45840 | - |
| Atrium Medical Center-Middletown Regional Hospital | Franklin | Ohio | 45005 | - |
| Middletown Regional Hospital | Franklin | Ohio | 45005-1066 | - |
| Wayne Hospital | Greenville | Ohio | 45331 | - |
| Charles F. Kettering Memorial Hospital | Kettering | Ohio | 45429 | - |
| Lima Memorial Hospital | Lima | Ohio | 45804 | - |
| Northwest Ohio Oncology Center | Maumee | Ohio | 43537-1839 | - |
| St. Charles Mercy Hospital | Oregon | Ohio | 43616 | - |
| Toledo Clinic - Oregon | Oregon | Ohio | 43616 | - |
| Flower Hospital Cancer Center | Sylvania | Ohio | 43560 | - |
| Mercy Hospital of Tiffin | Tiffin | Ohio | 44883 | - |
| Medical University of Ohio Cancer Center | Toledo | Ohio | 43614 | - |
| St. Anne Mercy Hospital | Toledo | Ohio | 43623 | - |
| St. Vincent Mercy Medical Center | Toledo | Ohio | 43608 | - |
| Toledo Clinic Cancer Centers-Toledo | Toledo | Ohio | 43623 | - |
| Toledo Clinic, Incorporated - Main Clinic | Toledo | Ohio | 43623 | - |
| Toledo Hospital | Toledo | Ohio | 43606 | - |
| University of Toledo | Toledo | Ohio | 43614 | - |
| UVMC Cancer Care Center at Upper Valley Medical Center | Troy | Ohio | 45373-1300 | - |
| Fulton County Health Center | Wauseon | Ohio | 43567 | - |
| Precision Radiotherapy at University Pointe | West Chester | Ohio | 45069 | - |
| Ruth G. McMillan Cancer Center at Greene Memorial Hospital | Xenia | Ohio | 45385 | - |
| Cancer Care Associates - Norman | Norman | Oklahoma | 73071 | - |
| Cancer Care Associates - Mercy Campus | Oklahoma City | Oklahoma | 73120 | - |
| Legacy Mount Hood Medical Center | Gresham | Oregon | 97030 | - |
| Legacy Good Samaritan Hospital and Medical Center | Portland | Oregon | 97210 | - |
| Legacy Meridian Park Hospital | Tualatin | Oregon | 97062 | - |
| Morgan Cancer Center at Lehigh Valley Hospital - Cedar Crest | Allentown | Pennsylvania | 18105 | - |
| Lehigh Valley Hospital - Muhlenberg | Bethlehem | Pennsylvania | 18017 | - |
| Geisinger Medical Center | Danville | Pennsylvania | 17822 | - |
| Geisinger Medical Center-Cancer Center Hazelton | Hazleton | Pennsylvania | 18201 | - |
| Geisinger Medical Group | State College | Pennsylvania | 16801 | - |
| Geisinger Wyoming Valley/Henry Cancer Center | Wilkes-Barre | Pennsylvania | 18711 | - |
| Rhode Island Hospital | Providence | Rhode Island | 02903 | - |
| McLeod Regional Medical Center | Florence | South Carolina | 29501 | - |
| Cancer Centers of the Carolinas - Faris Road | Greenville | South Carolina | 29605 | - |
| Cancer Centers of the Carolinas - Grove Commons | Greenville | South Carolina | 29605 | - |
| CCOP - Greenville | Greenville | South Carolina | 29615 | - |
| Greenville Health System Cancer Institute-Butternut | Greenville | South Carolina | 29605 | - |
| Greenville Health System Cancer Institute-Faris | Greenville | South Carolina | 29605 | - |
| Greenville Hospital Cancer Center | Greenville | South Carolina | 29605 | - |
| Cancer Centers of the Carolinas - Greer Medical Oncology | Greer | South Carolina | 29650 | - |
| Cancer Centers of the Carolinas - Seneca | Seneca | South Carolina | 29672 | - |
| Greenville Health System Cancer Institute-Seneca | Seneca | South Carolina | 29672 | - |
| Cancer Centers of the Carolinas - Spartanburg | Spartanburg | South Carolina | 29307 | - |
| Greenville Health System Cancer Institute-Spartanburg | Spartanburg | South Carolina | 29307 | - |
| Rapid City Regional Hospital | Rapid City | South Dakota | 57701 | - |
| Avera Cancer Institute | Sioux Falls | South Dakota | 57105 | - |
| Sanford Cancer Center at Sanford USD Medical Center | Sioux Falls | South Dakota | 57117-5039 | - |
| Sanford Cancer Center Oncology Clinic | Sioux Falls | South Dakota | 57104 | - |
| Fredericksburg Oncology, Incorporated | Fredericksburg | Virginia | 22401 | - |
| Legacy Salmon Creek Hospital | Vancouver | Washington | 98686 | - |
| Gundersen Lutheran Center for Cancer and Blood | La Crosse | Wisconsin | 54601 | - |
| Froedtert and the Medical College of Wisconsin | Milwaukee | Wisconsin | 53226 | - |
| Westfields Hospital/Cancer Center of Western Wisconsin | New Richmond | Wisconsin | 54017 | - |
| Oconomowoc Memorial Hospital-ProHealth Care Inc | Oconomowoc | Wisconsin | 53066 | - |
| Regional Cancer Center at Oconomowoc Memorial Hospital | Oconomowoc | Wisconsin | 53066 | - |
| Waukesha Memorial Hospital Regional Cancer Center | Waukesha | Wisconsin | 53188 | - |