| Providence Cancer Center at Providence Hospital | Mobile | Alabama | 36608 | - |
| Arkansas Cancer Research Center at University of Arkansas for Medical Sciences | Little Rock | Arkansas | 72205 | - |
| Alta Bates Summit Comprehensive Cancer Center | Berkeley | California | 94704 | - |
| Roy and Patricia Disney Family Cancer Center at Providence Saint Joseph Medical Center | Burbank | California | 91505 | - |
| Peninsula Medical Center | Burlingame | California | 94010 | - |
| East Bay Radiation Oncology Center | Castro Valley | California | 94546 | - |
| Valley Medical Oncology Consultants - Castro Valley | Castro Valley | California | 94546 | - |
| Valley Medical Oncology | Fremont | California | 94538 | - |
| Loma Linda University Cancer Institute at Loma Linda University Medical Center | Loma Linda | California | 92354 | - |
| Breastlink Medical Group, Incorporated at Long Beach Memorial Medical Center | Long Beach | California | 90806 | - |
| Samuel Oschin Comprehensive Cancer Institute at Cedars-Sinai Medical Center | Los Angeles | California | 90048 | - |
| USC/Norris Comprehensive Cancer Center and Hospital | Los Angeles | California | 90089-9181 | - |
| Contra Costa Regional Medical Center | Martinez | California | 94553-3156 | - |
| Tibotec Therapeutics - Division of Ortho Biotech Products, LP | Marysville | California | 95901 | - |
| El Camino Hospital Cancer Center | Mountain View | California | 94040 | - |
| Sutter Health - Western Division Cancer Research Group | Novato | California | 94945 | - |
| Alta Bates Summit Medical Center - Summit Campus | Oakland | California | 94609 | - |
| Bay Area Breast Surgeons, Incorporated | Oakland | California | 94609 | - |
| CCOP - Bay Area Tumor Institute | Oakland | California | 94609 | - |
| Epic Care - Oakland | Oakland | California | 94612 | - |
| Highland General Hospital | Oakland | California | 94602 | - |
| Larry G Strieff MD Medical Corporation | Oakland | California | 94609 | - |
| Tom K Lee, Incorporated | Oakland | California | 94609 | - |
| St. Joseph Hospital Regional Cancer Center - Orange | Orange | California | 92868 | - |
| Desert Regional Medical Center Comprehensive Cancer Center | Palm Springs | California | 92262 | - |
| Valley Medical Oncology Consultants - Pleasanton | Pleasanton | California | 94588 | - |
| University of California Davis Cancer Center | Sacramento | California | 95817 | - |
| California Pacific Medical Center - California Campus | San Francisco | California | 94118 | - |
| Doctors Medical Center - San Pablo Campus | San Pablo | California | 94806 | - |
| Sutter Pacific Medical Foundation | Santa Rosa | California | 95403 | - |
| Tahoe Forest Cancer Center | Truckee | California | 96161 | - |
| Sutter Solano Medical Center | Vallejo | California | 94589 | - |
| San Luis Valley Regional Medical Center | Alamosa | Colorado | 81101 | - |
| University of Colorado Cancer Center at UC Health Sciences Center | Aurora | Colorado | 80045 | - |
| Memorial Hospital Cancer Center - Colorado Springs | Colorado Springs | Colorado | 80909 | - |
| Shaw Regional Cancer Center | Edwards | Colorado | 81632 | - |
| Valley View Hospital Cancer Center | Glenwood Springs | Colorado | 81601 | - |
| St. Mary's Regional Cancer Center at St. Mary's Hospital and Medical Center | Grand Junction | Colorado | 81502 | - |
| Montrose Memorial Hospital Cancer Center | Montrose | Colorado | 81401 | - |
| Saint Francis/Mount Sinai Regional Cancer Center at Saint Francis Hospital and Medical Center | Hartford | Connecticut | 06105 | - |
| Tunnell Cancer Center at Beebe Medical Center | Lewes | Delaware | 19958 | - |
| CCOP - Christiana Care Health Services | Newark | Delaware | 19713 | - |
| Michael and Dianne Bienes Comprehensive Cancer Center at Holy Cross Hospital | Fort Lauderdale | Florida | 33308 | - |
| Ella Milbank Foshay Cancer Center at Jupiter Medical Center | Jupiter | Florida | 33458 | - |
| CCOP - Mount Sinai Medical Center | Miami Beach | Florida | 33140 | - |
| Phoebe Cancer Center at Phoebe Putney Memorial Hospital | Albany | Georgia | 31701 | - |
| Northeast Georgia Cancer Care, LLC - Medical Oncology | Athens | Georgia | 30607 | - |
| CCOP - Atlanta Regional | Atlanta | Georgia | 30342 | - |
| Northside Hospital Cancer Center | Atlanta | Georgia | 30342-1611 | - |
| Piedmont Hospital | Atlanta | Georgia | 30309 | - |
| Saint Joseph's Hospital of Atlanta | Atlanta | Georgia | 30342-1701 | - |
| MBCCOP - Medical College of Georgia Cancer Center | Augusta | Georgia | 30912 | - |
| WellStar Cobb Hospital | Austell | Georgia | 30106 | - |
| John B. Amos Cancer Center | Columbus | Georgia | 31904 | - |
| Charles B. Eberhart Cancer Center at DeKalb Medical Center | Decatur | Georgia | 30033 | - |
| Piedmont Fayette Hospital | Fayetteville | Georgia | 30214 | - |
| Northeast Georgia Medical Center | Gainesville | Georgia | 30501 | - |
| Gwinnett Medical Center | Lawrenceville | Georgia | 30045 | - |
| Kennestone Cancer Center at Wellstar Kennestone Hospital | Marietta | Georgia | 30060 | - |
| Southern Regional Medical Center | Riverdale | Georgia | 30274-2600 | - |
| Harbin Clinic Cancer Center - Medical Oncology | Rome | Georgia | 30165 | - |
| Nancy N. and J. C. Lewis Cancer and Research Pavilion at St. Joseph's/Candler | Savannah | Georgia | 31405 | - |
| Kapiolani Medical Center at Pali Momi | ‘Aiea | Hawaii | 96701 | - |
| Cancer Research Center of Hawaii | Honolulu | Hawaii | 96813 | - |
| Hawaii Medical Center - East | Honolulu | Hawaii | 96817 | - |
| 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 | - |
| Straub Clinic and Hospital, Incorporated | Honolulu | Hawaii | 96813 | - |
| Castle Medical Center | Kailua | Hawaii | 96734 | - |
| Kauai Medical Clinic | Lihue | Hawaii | 96766 | - |
| Maui Memorial Medical Center | Wailuku | Hawaii | 96793 | - |
| Pacific Cancer Institute - Maui | Wailuku | Hawaii | 96793 | - |
| Saint Alphonsus Cancer Care Center at Saint Alphonsus Regional Medical Center | Boise | Idaho | 83706 | - |
| St. Joseph Regional Medical Center | Lewiston | Idaho | 83501 | - |
| Illinois CancerCare - Bloomington | Bloomington | Illinois | 61701 | - |
| St. Joseph Medical Center | Bloomington | Illinois | 61701 | - |
| Graham Hospital | Canton | Illinois | 61520 | - |
| Illinois CancerCare - Canton | Canton | Illinois | 61520 | - |
| Illinois CancerCare - Carthage | Carthage | Illinois | 62321 | - |
| Memorial Hospital | Carthage | Illinois | 62321 | - |
| Resurrection Medical Center | Chicago | Illinois | 60631 | - |
| University of Chicago Cancer Research Center | Chicago | Illinois | 60637-1470 | - |
| Decatur Memorial Hospital Cancer Care Institute | Decatur | Illinois | 62526 | - |
| Eureka Community Hospital | Eureka | Illinois | 61530 | - |
| Illinois CancerCare - Eureka | Eureka | Illinois | 61530 | - |
| Galesburg Clinic, PC | Galesburg | Illinois | 61401 | - |
| Illinois CancerCare - Galesburg | Galesburg | Illinois | 61401 | - |
| Illinois CancerCare - Havana | Havana | Illinois | 62644 | - |
| Mason District Hospital | Havana | Illinois | 62644 | - |
| Illinois CancerCare - Kewanee Clinic | Kewanee | Illinois | 61443 | - |
| Illinois CancerCare - Macomb | Macomb | Illinois | 61455 | - |
| McDonough District Hospital | Macomb | Illinois | 61455 | - |
| Cardinal Bernardin Cancer Center at Loyola University Medical Center | Maywood | Illinois | 60153 | - |
| Illinois CancerCare - Monmouth | Monmouth | Illinois | 61462 | - |
| OSF Holy Family Medical Center | 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 | - |
| Oncology Hematology Associates of Central Illinois, PC - Ottawa | 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 | - |
| OSF St. Francis Medical Center | Peoria | Illinois | 61637 | - |
| Proctor Hospital | Peoria | Illinois | 61614 | - |
| Illinois CancerCare - Peru | Peru | Illinois | 61354 | - |
| Illinois Valley Community Hospital | Peru | Illinois | 61354 | - |
| Illinois CancerCare - Princeton | Princeton | Illinois | 61356 | - |
| Perry Memorial Hospital | Princeton | Illinois | 61356 | - |
| Illinois CancerCare - Spring Valley | Spring Valley | Illinois | 61362 | - |
| Regional Cancer Center at Memorial Medical Center | Springfield | Illinois | 62781-0001 | - |
| St. Francis Hospital and Health Centers - Beech Grove Campus | Beech Grove | Indiana | 46107 | - |
| Fort Wayne Medical Oncology and Hematology | Fort Wayne | Indiana | 46845 | - |
| Reid Hospital & Health Care Services | Richmond | Indiana | 47374 | - |
| McFarland Clinic, PC | Ames | Iowa | 50010 | - |
| 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 | - |
| Cancer Center of Kansas, PA - Chanute | Chanute | Kansas | 66720 | - |
| Cancer Center of Kansas, PA - Dodge City | Dodge City | Kansas | 67801 | - |
| 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, PA - McPherson | McPherson | Kansas | 67460 | - |
| Cancer Center of Kansas, PA - Newton | Newton | Kansas | 67114 | - |
| Menorah Medical Center | Overland Park | Kansas | 66209 | - |
| Saint Luke's Hospital - South | Overland Park | Kansas | 66213 | - |
| Cancer Center of Kansas, PA - Parsons | Parsons | Kansas | 67357 | - |
| CCOP - Kansas City | Prairie Village | Kansas | 66208 | - |
| Cancer Center of Kansas, PA - Pratt | Pratt | Kansas | 67124 | - |
| Cancer Center of Kansas, PA - Salina | Salina | Kansas | 67401 | - |
| Cancer Center of Kansas, PA - Wellington | Wellington | Kansas | 67152 | - |
| Associates in Womens Health, PA - North Review | Wichita | Kansas | 67208 | - |
| 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 | - |
| Cancer Center of Kansas, PA - Winfield | Winfield | Kansas | 67156 | - |
| Mary Bird Perkins Cancer Center - Baton Rouge | Baton Rouge | Louisiana | 70809 | - |
| Alvin and Lois Lapidus Cancer Institute at Sinai Hospital | Baltimore | Maryland | 21215 | - |
| Greater Baltimore Medical Center Cancer Center | Baltimore | Maryland | 21204 | - |
| Union Hospital of Cecil County | Elkton | Maryland | 21921 | - |
| Peninsula Regional Medical Center | Salisbury | Maryland | 21801 | - |
| Boston University Cancer Research Center | Boston | Massachusetts | 02118 | - |
| Hickman Cancer Center at Bixby Medical Center | Adrian | Michigan | 49221 | - |
| CCOP - Michigan Cancer Research Consortium | Ann Arbor | Michigan | 48106 | - |
| Saint Joseph Mercy Cancer Center | Ann Arbor | Michigan | 48106-0995 | - |
| University of Michigan Comprehensive Cancer Center | Ann Arbor | Michigan | 48109-0942 | - |
| Bay Regional Medical Center | Bay City | Michigan | 48708 | - |
| Oakwood Cancer Center at Oakwood Hospital and Medical Center | Dearborn | Michigan | 48123-2500 | - |
| Barbara Ann Karmanos Cancer Institute | Detroit | Michigan | 48201-1379 | - |
| Josephine Ford Cancer Center at Henry Ford Hospital | Detroit | Michigan | 48202 | - |
| Green Bay Oncology, Limited - Escanaba | Escanaba | Michigan | 49431 | - |
| Genesys Hurley Cancer Institute | Flint | Michigan | 48503 | - |
| Hurley Medical Center | Flint | Michigan | 48503 | - |
| McLaren Cancer Institute | Flint | Michigan | 48532 | - |
| Singh and Arora Hematology Oncology, PC | Flint | Michigan | 48532 | - |
| Genesys Regional Medical Center | Grand Blanc | Michigan | 48439 | - |
| Van Elslander Cancer Center at St. John Hospital and Medical Center | Grosse Pointe Woods | Michigan | 48236 | - |
| Dickinson County Healthcare System | Iron Mountain | Michigan | 49801 | - |
| Foote Memorial Hospital | Jackson | Michigan | 49201 | - |
| Sparrow Regional Cancer Center | Lansing | Michigan | 48912-1811 | - |
| Great Lakes Cancer Institute - Lapeer Campus | Lapeer | Michigan | 48446 | - |
| St. Mary Mercy Hospital | Livonia | Michigan | 48154 | - |
| MidMichigan Medical Center - Midland | Midland | Michigan | 48670 | - |
| Mercy Memorial Hospital - Monroe | Monroe | Michigan | 48162 | - |
| Clemens Regional Medical Center | Mount Clemens | Michigan | 48043 | - |
| Northern Michigan Hospital | Petoskey | Michigan | 49770 | - |
| St. Joseph Mercy Oakland | Pontiac | Michigan | 48341-2985 | - |
| Mercy Regional Cancer Center at Mercy Hospital | Port Huron | Michigan | 48060 | - |
| Seton Cancer Institute at Saint Mary's - Saginaw | Saginaw | Michigan | 48601 | - |
| Providence Cancer Institute at Providence Hospital - Southfield Campus | Southfield | Michigan | 48075 | - |
| St. John Macomb Hospital | Warren | Michigan | 48093 | - |
| Fairview Ridges Hospital | Burnsville | Minnesota | 55337 | - |
| Mercy and Unity Cancer Center at Mercy Hospital | Coon Rapids | Minnesota | 55433 | - |
| 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 | - |
| 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 | - |
| University of Mississippi Cancer Clinic | Jackson | Mississippi | 39216 | - |
| Regional Cancer Center at Singing River Hospital | Pascagoula | Mississippi | 39581 | - |
| Ellis Fischel Cancer Center at University of Missouri - Columbia | Columbia | Missouri | 65203 | - |
| St. John's Regional Medical Center | Joplin | Missouri | 64804 | - |
| Heartland Hematology Oncology Associates, Incorporated | Kansas City | Missouri | 64118 | - |
| North Kansas City Hospital | Kansas City | Missouri | 64116 | - |
| Research Medical Center | Kansas City | Missouri | 64132 | - |
| Saint Luke's Cancer Institute at Saint Luke's Hospital | Kansas City | Missouri | 64111 | - |
| Saint Luke's East - Lee's Summit | Lee's Summit | Missouri | 64086 | - |
| Parvin Radiation Oncology | Liberty | Missouri | 64068 | - |
| Phelps County Regional Medical Center | Rolla | Missouri | 65401 | - |
| Heartland Regional Medical Center | Saint Joseph | Missouri | 64506 | - |
| Saint Joseph Oncology, Incorporated | Saint Joseph | Missouri | 64507 | - |
| CCOP - Cancer Research for the Ozarks | Springfield | Missouri | 65802 | - |
| Hulston Cancer Center at Cox Medical Center South | Springfield | Missouri | 65807 | - |
| St. John's Regional Health Center | Springfield | Missouri | 65804 | - |
| Siteman Cancer Center at Barnes-Jewish Hospital - Saint Louis | St Louis | Missouri | 63110 | - |
| Billings Clinic - Downtown | Billings | Montana | 59107-7000 | - |
| CCOP - Montana Cancer Consortium | Billings | Montana | 59101 | - |
| 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 | - |
| St. James Healthcare Cancer Care | Butte | Montana | 59701 | - |
| Big Sky Oncology | Great Falls | Montana | 59405-5309 | - |
| Great Falls Clinic - Main Facility | Great Falls | Montana | 59405 | - |
| Sletten Cancer Institute at Benefis Healthcare | Great Falls | Montana | 59405 | - |
| St. Peter's Hospital | Helena | Montana | 59601 | - |
| Glacier Oncology, PLLC | Kalispell | Montana | 59901 | - |
| Kalispell Medical Oncology at KRMC | Kalispell | Montana | 59901 | - |
| 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 | - |
| Hunterdon Regional Cancer Center at Hunterdon Medical Center | Flemington | New Jersey | 08822 | - |
| Cancer Institute of New Jersey at Cooper - Voorhees | Voorhees Township | New Jersey | 08043 | - |
| Presbyterian Cancer Treatment Center at Presbyterian Kaseman Hospital | Albuquerque | New Mexico | 87110 | - |
| University of New Mexico Cancer Center | Albuquerque | New Mexico | 87131-5636 | - |
| University of New Mexico Cancer Center - South | Las Cruces | New Mexico | 88011 | - |
| Charles R. Wood Cancer Center at Glens Falls Hospital | Glens Falls | New York | 12801 | - |
| Nalitt Cancer Institute at Staten Island University Hospital | Staten Island | New York | 10305 | - |
| Wayne Memorial Hospital, Incorporated | Goldsboro | North Carolina | 27534 | - |
| Kinston Medical Specialists | Kinston | North Carolina | 28501 | - |
| Rutherford Hospital | Rutherfordton | North Carolina | 28139 | - |
| Iredell Memorial Hospital | Statesville | North Carolina | 28677 | - |
| Summa Center for Cancer Care at Akron City Hospital | Akron | Ohio | 44309-2090 | - |
| Barberton Citizens Hospital | Barberton | Ohio | 44203 | - |
| Cleveland Clinic Beachwood Family Health and Surgery Center | Beachwood | Ohio | 44122 | - |
| Adena Regional Medical Center | Chillicothe | Ohio | 45601 | - |
| Cleveland Clinic Cancer Center at Fairview Hospital | Cleveland | Ohio | 44111 | - |
| Cleveland Clinic Taussig Cancer Center | Cleveland | Ohio | 44195 | - |
| CCOP - Columbus | Columbus | Ohio | 43215 | - |
| Doctors Hospital at Ohio Health | Columbus | Ohio | 43228 | - |
| Grant Medical Center Cancer Care | Columbus | Ohio | 43215 | - |
| Mount Carmel Health - West Hospital | Columbus | Ohio | 43222 | - |
| Riverside Methodist Hospital Cancer Care | Columbus | Ohio | 43214-3998 | - |
| 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 | - |
| Grady Memorial Hospital | Delaware | Ohio | 43015 | - |
| Community Cancer Center | Elyria | Ohio | 44035 | - |
| Hematology Oncology Center | Elyria | Ohio | 44035 | - |
| Blanchard Valley Medical Associates | Findlay | Ohio | 45840 | - |
| Middletown Regional Hospital | Franklin | Ohio | 45005-1066 | - |
| Wayne Hospital | Greenville | Ohio | 45331 | - |
| Cleveland Clinic Cancer Center | Independence | Ohio | 44131 | - |
| Charles F. Kettering Memorial Hospital | Kettering | Ohio | 45429 | - |
| Fairfield Medical Center | Lancaster | Ohio | 43130 | - |
| Lima Memorial Hospital | Lima | Ohio | 45804 | - |
| Strecker Cancer Center at Marietta Memorial Hospital | Marietta | Ohio | 45750 | - |
| Northwest Ohio Oncology Center | Maumee | Ohio | 43537-1839 | - |
| Hillcrest Cancer Center at Hillcrest Hospital | Mayfield Heights | Ohio | 44124 | - |
| Knox Community Hospital | Mount Vernon | Ohio | 43050 | - |
| Licking Memorial Cancer Care Program at Licking Memorial Hospital | Newark | Ohio | 43055 | - |
| St. Charles Mercy Hospital | Oregon | Ohio | 43616 | - |
| Parma Community General Hospital | Parma | Ohio | 44129 | - |
| Southern Ohio Medical Center Cancer Center | Portsmouth | Ohio | 45662 | - |
| North Coast Cancer Care, Incorporated | Sandusky | Ohio | 44870 | - |
| Community Hospital of Springfield and Clark County | Springfield | Ohio | 45505 | - |
| Cleveland Clinic Foundation - Strongsville | Strongsville | Ohio | 44136 | - |
| Flower Hospital Cancer Center | Sylvania | Ohio | 43560 | - |
| Mercy Hospital of Tiffin | Tiffin | Ohio | 44883 | - |
| CCOP - Toledo Community Hospital | Toledo | Ohio | 43617 | - |
| 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, Incorporated - Main Clinic | Toledo | Ohio | 43623 | - |
| Toledo Hospital | Toledo | Ohio | 43606 | - |
| UVMC Cancer Care Center at Upper Valley Medical Center | Troy | Ohio | 45373-1300 | - |
| Fulton County Health Center | Wauseon | Ohio | 43567 | - |
| Mount Carmel St. Ann's Cancer Center | Westerville | Ohio | 43081 | - |
| Cleveland Clinic - Wooster | Wooster | Ohio | 44691 | - |
| Ruth G. McMillan Cancer Center at Greene Memorial Hospital | Xenia | Ohio | 45385 | - |
| Genesis - Good Samaritan Hospital | Zanesville | Ohio | 43701 | - |
| Legacy Mount Hood Medical Center | Gresham | Oregon | 97030 | - |
| Legacy Emanuel Hospital and Health Center and Children's Hospital | Portland | Oregon | 97227 | - |
| Legacy Good Samaritan Hospital & Comprehensive Cancer Center | Portland | Oregon | 97210 | - |
| Legacy Meridian Park Hospital | Tualatin | Oregon | 97062 | - |
| Penn State Hershey Cancer Institute at Milton S. Hershey Medical Center | Hershey | Pennsylvania | 17033-0850 | - |
| Lewistown Hospital | Lewistown | Pennsylvania | 17044 | - |
| Pottstown Memorial Regional Cancer Center | Pottstown | Pennsylvania | 19464 | - |
| Mount Nittany Medical Center | State College | Pennsylvania | 16803 | - |
| AnMed Cancer Center | Anderson | South Carolina | 29621 | - |
| McLeod Regional Medical Center | Florence | South Carolina | 29501 | - |
| Bon Secours St. Francis Health System | Greenville | South Carolina | 29601 | - |
| CCOP - Upstate Carolina | Spartanburg | South Carolina | 29303 | - |
| Gibbs Regional Cancer Center at Spartanburg Regional Medical Center | Spartanburg | South Carolina | 29303 | - |
| Rapid City Regional Hospital | Rapid City | South Dakota | 57701 | - |
| Erlanger Cancer Center at Erlanger Hospital - Baroness | Chattanooga | Tennessee | 37403 | - |
| Christine LaGuardia Phillips Cancer Center at Wellmont Holston Valley Medical Center | Kingsport | Tennessee | 37662 | - |
| Doctor's Hospital of Laredo | Laredo | Texas | 78045 | - |
| CCOP - Scott and White Hospital | Temple | Texas | 76508 | - |
| American Fork Hospital | American Fork | Utah | 84003 | - |
| Sandra L. Maxwell Cancer Center | Cedar City | Utah | 84720 | - |
| Logan Regional Hospital | Logan | Utah | 84321 | - |
| Jon and Karen Huntsman Cancer Center at Intermountain Medical Center | Murray | Utah | 84157 | - |
| Val and Ann Browning Cancer Center at McKay-Dee Hospital Center | Ogden | Utah | 84403 | - |
| Utah Valley Regional Medical Center - Provo | Provo | Utah | 84604 | - |
| LDS Hospital | Salt Lake City | Utah | 84143 | - |
| Utah Cancer Specialists at UCS Cancer Center | Salt Lake City | Utah | 84106 | - |
| Dixie Regional Medical Center - East Campus | St. George | Utah | 84770 | - |
| Fredericksburg Oncology, Incorporated | Fredericksburg | Virginia | 22401 | - |
| Southwest Virginia Regional Cancer Center at Wellmonth Health | Norton | Virginia | 24273 | - |
| Island Hospital Cancer Care Center at Island Hospital | Anacortes | Washington | 98221 | - |
| Overlake Cancer Center at Overlake Hospital Medical Center | Bellevue | Washington | 98004 | - |
| St. Joseph Cancer Center | Bellingham | Washington | 98225 | - |
| Olympic Hematology and Oncology | Bremerton | Washington | 98310 | - |
| Highline Medical Center Cancer Center | Burien | Washington | 98166 | - |
| Providence Centralia Hospital | Centralia | Washington | 98531-9027 | - |
| Providence Regional Cancer Partnership | Everett | Washington | 98201 | - |
| St. Francis Hospital | Federal Way | Washington | 98003 | - |
| Swedish Medical Center - Issaquah Campus | Issaquah | Washington | 98029 | - |
| Columbia Basin Hematology | Kennewick | Washington | 99336 | - |
| Skagit Valley Hospital Cancer Care Center | Mount Vernon | Washington | 98274 | - |
| Providence St. Peter Hospital Regional Cancer Center | Olympia | Washington | 98506-5166 | - |
| Harrison Poulsbo Hematology and Onocology | Poulsbo | Washington | 98370 | - |
| Good Samaritan Cancer Center | Puyallup | Washington | 98372 | - |
| Fred Hutchinson Cancer Research Center | Seattle | Washington | 98109 | - |
| Group Health Central Hospital | Seattle | Washington | 98112 | - |
| Harborview Medical Center | Seattle | Washington | 98104 | - |
| Polyclinic First Hill | Seattle | Washington | 98122 | - |
| Swedish Cancer Institute at Swedish Medical Center - First Hill Campus | Seattle | Washington | 98122-4307 | - |
| University Cancer Center at University of Washington Medical Center | Seattle | Washington | 98195 | - |
| North Puget Oncology at United General Hospital | Sedro-Woolley | Washington | 98284 | - |
| Cancer Care Northwest - Spokane South | Spokane | Washington | 99202 | - |
| Evergreen Hematology and Oncology, PS | Spokane | Washington | 99218 | - |
| Providence Cancer Center at Sacred Heart Medical Center | Spokane | Washington | 99204 | - |
| Allenmore Hospital | Tacoma | Washington | 98405 | - |
| CCOP - Northwest | Tacoma | Washington | 98405 | - |
| Franciscan Cancer Center at St. Joseph Medical Center | Tacoma | Washington | 98405-3004 | - |
| MultiCare Regional Cancer Center at Tacoma General Hospital | Tacoma | Washington | 98405 | - |
| St. Clare Hospital | Tacoma | Washington | 98499 | - |
| Legacy Salmon Creek Medical Center | Vancouver | Washington | 98686 | - |
| Wenatchee Valley Medical Center | Wenatchee | Washington | 98801-2028 | - |
| Green Bay Oncology, Limited at St. Mary's Hospital | Green Bay | Wisconsin | 54303 | - |
| Green Bay Oncology, Limited at St. Vincent Hospital Regional Cancer Center | Green Bay | Wisconsin | 54301-3526 | - |
| St. Mary's Hospital Medical Center - Green Bay | Green Bay | Wisconsin | 54303 | - |
| St. Vincent Hospital Regional Cancer Center | Green Bay | Wisconsin | 54307-3508 | - |
| Gundersen Lutheran Center for Cancer and Blood | La Crosse | Wisconsin | 54601 | - |
| Holy Family Memorial Medical Center Cancer Care Center | Manitowoc | Wisconsin | 54221-1450 | - |
| Bay Area Cancer Care Center at Bay Area Medical Center | Marinette | Wisconsin | 54143 | - |
| Green Bay Oncology, Limited - Oconto Falls | Oconto Falls | Wisconsin | 54154 | - |
| St. Nicholas Hospital | Sheboygan | Wisconsin | 53081 | - |
| Green Bay Oncology, Limited - Sturgeon Bay | Sturgeon Bay | Wisconsin | 54235 | - |
| Rocky Mountain Oncology | Casper | Wyoming | 82609 | - |