| The University of Arizona Medical Center-University Campus | Tucson | Arizona | 85724 | - |
| University of Arizona Cancer Center-North Campus | Tucson | Arizona | 85719 | - |
| University of Arizona Cancer Center-Orange Grove Campus | Tucson | Arizona | 85704 | - |
| Kaiser Permanente-Anaheim | Anaheim | California | 92807 | - |
| Kaiser Permanente-Baldwin Park | Baldwin Park | California | 91706 | - |
| Kaiser Permanente-Bellflower | Bellflower | California | 90706 | - |
| Alta Bates Summit Medical Center-Herrick Campus | Berkeley | California | 94704 | - |
| Mills-Peninsula Medical Center | Burlingame | California | 94010 | - |
| City of Hope Comprehensive Cancer Center | Duarte | California | 91010 | - |
| Kaiser Permanente Hospital | Fontana | California | 92335 | - |
| Kaiser Permanente - Harbor City | Harbor City | California | 90710 | - |
| Kaiser Permanente-Irvine | Irvine | California | 92618 | - |
| Cedars Sinai Medical Center | Los Angeles | California | 90048 | - |
| Kaiser Permanente Los Angeles Medical Center | Los Angeles | California | 90027 | - |
| Kaiser Permanente-Cadillac | Los Angeles | California | 90034 | - |
| Los Angeles County-USC Medical Center | Los Angeles | California | 90033 | - |
| USC / Norris Comprehensive Cancer Center | Los Angeles | California | 90033 | - |
| Fremont - Rideout Cancer Center | Marysville | California | 95901 | - |
| Sutter Cancer Research Consortium | Novato | California | 94945 | - |
| Stanford Cancer Institute | Palo Alto | California | 94304 | - |
| Kaiser Permanente - Panorama City | Panorama City | California | 91402 | - |
| Kaiser Permanente-Riverside | Riverside | California | 92505 | - |
| University of California Davis Comprehensive Cancer Center | Sacramento | California | 95817 | - |
| Kaiser Permanente-San Diego Mission | San Diego | California | 92108 | - |
| Kaiser Permanente-San Diego Zion | San Diego | California | 92120 | - |
| California Pacific Medical Center-Pacific Campus | San Francisco | California | 94115 | - |
| Kaiser Permanente-San Marcos | San Marcos | California | 92069 | - |
| Sutter Pacific Medical Foundation | Santa Rosa | California | 95403 | - |
| Gene Upshaw Memorial Tahoe Forest Cancer Center | Truckee | California | 96161 | - |
| Sutter Solano Medical Center/Cancer Center | Vallejo | California | 94589 | - |
| Kaiser Permanente | Woodland Hills | California | 91367 | - |
| University of Colorado Cancer Center - Anschutz Cancer Pavilion | Aurora | Colorado | 80045 | - |
| Smilow Cancer Hospital Care Center at Saint Francis | Hartford | Connecticut | 06105 | - |
| George Washington University Medical Center | Washington D.C. | District of Columbia | 20037 | - |
| MedStar Georgetown University Hospital | Washington D.C. | District of Columbia | 20007 | - |
| Sibley Memorial Hospital | Washington D.C. | District of Columbia | 20016 | - |
| Saint Alphonsus Cancer Care Center-Boise | Boise | Idaho | 83706 | - |
| Idaho Urologic Institute-Meridian | Meridian | Idaho | 83642 | - |
| Hematology and Oncology Associates | Chicago | Illinois | 60611 | - |
| Northwestern University | Chicago | Illinois | 60611 | - |
| Hematology Oncology Associates of Illinois-Highland Park | Highland Park | Illinois | 60035 | - |
| Hines Veterans Administration Hospital | Hines | Illinois | 60141 | - |
| Presence Saint Mary's Hospital | Kankakee | Illinois | 60901 | - |
| NorthShore Hematology Oncology-Libertyville | Libertyville | Illinois | 60048 | - |
| Loyola University Medical Center | Maywood | Illinois | 60153 | - |
| Illinois Cancer Specialists-Niles | Niles | Illinois | 60714 | - |
| Hematology Oncology Associates of Illinois - Skokie | Skokie | Illinois | 60076 | - |
| Franciscan Saint Francis Health-Beech Grove | Beech Grove | Indiana | 46107 | - |
| Franciscan Health Indianapolis | Indianapolis | Indiana | 46237 | - |
| Reid Health | Richmond | Indiana | 47374 | - |
| University of Iowa/Holden Comprehensive Cancer Center | Iowa City | Iowa | 52242 | - |
| Mercy Medical Center-Sioux City | Sioux City | Iowa | 51104 | - |
| Saint Luke's Regional Medical Center | Sioux City | Iowa | 51104 | - |
| Siouxland Regional Cancer Center | Sioux City | Iowa | 51101 | - |
| Cancer Center of Kansas - Chanute | Chanute | Kansas | 66720 | - |
| Cancer Center of Kansas - Dodge City | Dodge City | Kansas | 67801 | - |
| Cancer Center of Kansas - El Dorado | El Dorado | Kansas | 67042 | - |
| Cancer Center of Kansas - Fort Scott | Fort Scott | Kansas | 66701 | - |
| Saint Rose Ambulatory and Surgery Center | Great Bend | Kansas | 67530 | - |
| Hays Medical Center | Hays | Kansas | 67601 | - |
| Hutchinson Regional Medical Center | Hutchinson | Kansas | 67502 | - |
| Cancer Center of Kansas-Independence | Independence | Kansas | 67301 | - |
| Providence Medical Center | Kansas City | Kansas | 66112 | - |
| University of Kansas Cancer Center | Kansas City | Kansas | 66160 | - |
| Cancer Center of Kansas-Kingman | Kingman | Kansas | 67068 | - |
| Lawrence Memorial Hospital | Lawrence | Kansas | 66044 | - |
| Cancer Center of Kansas-Liberal | Liberal | Kansas | 67905 | - |
| Cancer Center of Kansas - McPherson | McPherson | Kansas | 67460 | - |
| Cancer Center of Kansas - Newton | Newton | Kansas | 67114 | - |
| Menorah Medical Center | Overland Park | Kansas | 66209 | - |
| Saint Luke's South Hospital | Overland Park | Kansas | 66213 | - |
| Cancer Center of Kansas - Parsons | Parsons | Kansas | 67357 | - |
| Via Christi Hospital-Pittsburg | Pittsburg | Kansas | 66762 | - |
| Kansas City NCI Community Oncology Research Program | Prairie Village | Kansas | 66208 | - |
| Cancer Center of Kansas - Pratt | Pratt | Kansas | 67124 | - |
| Cancer Center of Kansas - Salina | Salina | Kansas | 67401 | - |
| Salina Regional Health Center | Salina | Kansas | 67401 | - |
| Saint Francis Hospital and Medical Center - Topeka | Topeka | Kansas | 66606 | - |
| Cancer Center of Kansas - Wellington | Wellington | Kansas | 67152 | - |
| Associates In Womens Health | Wichita | Kansas | 67208 | - |
| Cancer Center of Kansas - Wichita | Wichita | Kansas | 67214 | - |
| Cancer Center of Kansas-Wichita Medical Arts Tower | Wichita | Kansas | 67208 | - |
| Via Christi Regional Medical Center | Wichita | Kansas | 67214 | - |
| Wichita NCI Community Oncology Research Program | Wichita | Kansas | 67214 | - |
| Cancer Center of Kansas - Winfield | Winfield | Kansas | 67156 | - |
| Johns Hopkins University/Sidney Kimmel Cancer Center | Baltimore | Maryland | 21287 | - |
| Michigan Cancer Research Consortium NCORP | Ann Arbor | Michigan | 48106 | - |
| Saint Joseph Mercy Hospital | Ann Arbor | Michigan | 48106-0995 | - |
| University of Michigan Comprehensive Cancer Center | Ann Arbor | Michigan | 48109 | - |
| Beaumont Hospital-Dearborn | Dearborn | Michigan | 48124 | - |
| Saint John Hospital and Medical Center | Detroit | Michigan | 48236 | - |
| Wayne State University/Karmanos Cancer Institute | Detroit | Michigan | 48201 | - |
| Genesys Hurley Cancer Institute | Flint | Michigan | 48503 | - |
| Genesys Regional Medical Center-West Flint Campus | Flint | Michigan | 48532 | - |
| Hurley Medical Center | Flint | Michigan | 48502 | - |
| Genesys Regional Medical Center | Grand Blanc | Michigan | 48439 | - |
| Allegiance Health | Jackson | Michigan | 49201 | - |
| Borgess Medical Center | Kalamazoo | Michigan | 49001 | - |
| Bronson Methodist Hospital | Kalamazoo | Michigan | 49007 | - |
| West Michigan Cancer Center | Kalamazoo | Michigan | 49007 | - |
| Sparrow Hospital | Lansing | Michigan | 48912 | - |
| Saint Mary Mercy Hospital | Livonia | Michigan | 48154 | - |
| Saint Joseph Mercy Oakland | Pontiac | Michigan | 48341 | - |
| Lake Huron Medical Center | Port Huron | Michigan | 48060 | - |
| Saint Mary's of Michigan | Saginaw | Michigan | 48601 | - |
| Saint John Macomb-Oakland Hospital | Warren | Michigan | 48093 | - |
| Fairview Ridges Hospital | Burnsville | Minnesota | 55337 | - |
| Mercy Hospital | Coon Rapids | Minnesota | 55433 | - |
| Fairview-Southdale Hospital | Edina | Minnesota | 55435 | - |
| Unity Hospital | Fridley | Minnesota | 55432 | - |
| Hutchinson Area Health Care | Hutchinson | Minnesota | 55350 | - |
| Minnesota Oncology Hematology PA-Maplewood | Maplewood | Minnesota | 55109 | - |
| Saint John's Hospital - Healtheast | Maplewood | Minnesota | 55109 | - |
| Abbott-Northwestern Hospital | Minneapolis | Minnesota | 55407 | - |
| Hennepin County Medical Center | Minneapolis | Minnesota | 55415 | - |
| New Ulm Medical Center | New Ulm | Minnesota | 56073 | - |
| North Memorial Medical Health Center | Robbinsdale | Minnesota | 55422 | - |
| Metro Minnesota Community Oncology Research Consortium | Saint Louis Park | Minnesota | 55416 | - |
| Park Nicollet Clinic - Saint Louis Park | Saint Louis Park | Minnesota | 55416 | - |
| Regions Hospital | Saint Paul | Minnesota | 55101 | - |
| United Hospital | Saint Paul | Minnesota | 55102 | - |
| Saint Francis Regional Medical Center | Shakopee | Minnesota | 55379 | - |
| Lakeview Hospital | Stillwater | Minnesota | 55082 | - |
| Ridgeview Medical Center | Waconia | Minnesota | 55387 | - |
| Rice Memorial Hospital | Willmar | Minnesota | 56201 | - |
| Minnesota Oncology Hematology PA-Woodbury | Woodbury | Minnesota | 55125 | - |
| University of Mississippi Medical Center | Jackson | Mississippi | 39216 | - |
| Saint Francis Medical Center | Cape Girardeau | Missouri | 63703 | - |
| Heartland Hematology and 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 Hospital of Kansas City | Kansas City | Missouri | 64111 | - |
| Truman Medical Center | Kansas City | Missouri | 64108 | - |
| Saint Luke's East - Lee's Summit | Lee's Summit | Missouri | 64086 | - |
| Liberty Radiation Oncology Center | Liberty | Missouri | 64068 | - |
| Heartland Regional Medical Center | Saint Joseph | Missouri | 64506 | - |
| Saint Joseph Oncology Inc | Saint Joseph | Missouri | 64507 | - |
| Mercy Hospital Saint Louis | St Louis | Missouri | 63141 | - |
| Saint Louis Cancer and Breast Institute-South City | St Louis | Missouri | 63109 | - |
| Saint Louis-Cape Girardeau CCOP | St Louis | Missouri | 63141 | - |
| Nebraska Methodist Hospital | Omaha | Nebraska | 68114 | - |
| Nevada Cancer Research Foundation CCOP | Las Vegas | Nevada | 89106 | - |
| University Medical Center of Southern Nevada | Las Vegas | Nevada | 89102 | - |
| Veterans Adminstration New Jersey Health Care System | East Orange | New Jersey | 07018-1095 | - |
| Glens Falls Hospital | Glens Falls | New York | 12801 | - |
| Orange Regional Medical Center | Middletown | New York | 10940 | - |
| Columbia University/Herbert Irving Cancer Center | New York | New York | 10032 | - |
| University of Rochester | Rochester | New York | 14642 | - |
| Kinston Medical Specialists PA | Kinston | North Carolina | 28501 | - |
| Iredell Memorial Hospital | Statesville | North Carolina | 28677 | - |
| Adena Regional Medical Center | Chillicothe | Ohio | 45601 | - |
| Columbus NCI Community Oncology Research Program | Columbus | Ohio | 43215 | - |
| Doctors Hospital | Columbus | Ohio | 43228 | - |
| Grant Medical Center | Columbus | Ohio | 43215 | - |
| Mount Carmel Health Center West | Columbus | Ohio | 43222 | - |
| Riverside Methodist Hospital | Columbus | Ohio | 43214 | - |
| The Mark H Zangmeister Center | Columbus | Ohio | 43219 | - |
| Dayton NCI Community Oncology Research Program | Dayton | Ohio | 45420 | - |
| Good Samaritan Hospital - Dayton | Dayton | Ohio | 45406 | - |
| Grandview Hospital | Dayton | Ohio | 45405 | - |
| Miami Valley Hospital | Dayton | Ohio | 45409 | - |
| Samaritan North Health Center | Dayton | Ohio | 45415 | - |
| Grady Memorial Hospital | Delaware | Ohio | 43015 | - |
| Blanchard Valley Hospital | Findlay | Ohio | 45840 | - |
| Atrium Medical Center-Middletown Regional Hospital | Franklin | Ohio | 45005-1066 | - |
| Wayne Hospital | Greenville | Ohio | 45331 | - |
| Kettering Medical Center | Kettering | Ohio | 45429 | - |
| Fairfield Medical Center | Lancaster | Ohio | 43130 | - |
| Saint Rita's Medical Center | Lima | Ohio | 45801 | - |
| Marietta Memorial Hospital | Marietta | Ohio | 45750 | - |
| Knox Community Hospital | Mount Vernon | Ohio | 43050 | - |
| Licking Memorial Hospital | Newark | Ohio | 43055 | - |
| Southern Ohio Medical Center | Portsmouth | Ohio | 45662 | - |
| Springfield Regional Medical Center | Springfield | Ohio | 45505 | - |
| Upper Valley Medical Center | Troy | Ohio | 45373 | - |
| Saint Ann's Hospital | Westerville | Ohio | 43081 | - |
| Greene Memorial Hospital | Xenia | Ohio | 45385 | - |
| Genesis Healthcare System Cancer Care Center | Zanesville | Ohio | 43701 | - |
| University of Oklahoma Health Sciences Center | Oklahoma City | Oklahoma | 73104 | - |
| Geisinger Medical Center | Danville | Pennsylvania | 17822 | - |
| Geisinger Medical Center-Cancer Center Hazleton | Hazleton | Pennsylvania | 18201 | - |
| Fox Chase Cancer Center | Philadelphia | Pennsylvania | 19111 | - |
| University of Pennsylvania/Abramson Cancer Center | Philadelphia | Pennsylvania | 19104 | - |
| Geisinger Medical Group | State College | Pennsylvania | 16801 | - |
| Geisinger Wyoming Valley/Henry Cancer Center | Wilkes-Barre | Pennsylvania | 18711 | - |
| Rapid City Regional Hospital | Rapid City | South Dakota | 57701 | - |
| Vanderbilt University/Ingram Cancer Center | Nashville | Tennessee | 37232 | - |
| Baylor University Medical Center | Dallas | Texas | 75246 | - |
| Audie L Murphy Veterans Affairs Hospital | San Antonio | Texas | 78209 | - |
| Cancer Therapy and Research Center at The UT Health Science Center at San Antonio | San Antonio | Texas | 78229 | - |
| University Hospital | San Antonio | Texas | 78229 | - |
| University of Texas Health Science Center at San Antonio | San Antonio | Texas | 78229 | - |
| Huntsman Cancer Institute/University of Utah | Salt Lake City | Utah | 84112 | - |
| Cancer Care Center at Island Hospital | Anacortes | Washington | 98221 | - |
| PeaceHealth Saint Joseph Medical Center | Bellingham | Washington | 98225 | - |
| Harrison HealthPartners Hematology and Oncology-Bremerton | Bremerton | Washington | 98310 | - |
| Highline Medical Center-Main Campus | Burien | Washington | 98166 | - |
| Swedish Medical Center-Edmonds | Edmonds | Washington | 98026 | - |
| Swedish Cancer Institute-Issaquah | Issaquah | Washington | 98029 | - |
| Kadlec Clinic Hematology and Oncology | Kennewick | Washington | 99336 | - |
| Skagit Valley Hospital | Mount Vernon | Washington | 98274 | - |
| Harrison HealthPartners Hematology and Oncology-Poulsbo | Poulsbo | Washington | 98370 | - |
| Fred Hutchinson Cancer Research Center | Seattle | Washington | 98109 | - |
| Group Health Cooperative-Seattle | Seattle | Washington | 98112 | - |
| Harborview Medical Center | Seattle | Washington | 98104 | - |
| Minor and James Medical PLLC | Seattle | Washington | 98104 | - |
| Swedish Medical Center-First Hill | Seattle | Washington | 98122-4307 | - |
| University of Washington Medical Center | Seattle | Washington | 98195 | - |
| United General Hospital | Sedro-Woolley | Washington | 98284 | - |
| Cancer Care Northwest - Spokane South | Spokane | Washington | 99202 | - |
| Evergreen Hematology and Oncology PS | Spokane | Washington | 99218 | - |
| Wenatchee Valley Hospital and Clinics | Wenatchee | Washington | 98801 | - |
| Gundersen Lutheran Medical Center | La Crosse | Wisconsin | 54601 | - |
| Cancer Center of Western Wisconsin | New Richmond | Wisconsin | 54017 | - |