| Mobile Infirmary Medical Center | Mobile | Alabama | 36607 | - |
| Fairbanks Memorial Hospital | Fairbanks | Alaska | 99701 | - |
| Arizona Oncology Services Foundation | Scottsdale | Arizona | 85260 | - |
| Alta Bates Summit Medical Center-Herrick Campus | Berkeley | California | 94704 | - |
| Mills-Peninsula Medical Center | Burlingame | California | 94010 | - |
| John Muir Medical Center-Concord Campus | Concord | California | 94520 | - |
| City of Hope Comprehensive Cancer Center | Duarte | California | 91010 | - |
| Marin General Hospital | Greenbrae | California | 94904 | - |
| Sutter Cancer Research Consortium | Novato | California | 94945 | - |
| California Pacific Medical Center-Pacific Campus | San Francisco | California | 94115 | - |
| Sutter Solano Medical Center/Cancer Center | Vallejo | California | 94589 | - |
| John Muir Medical Center-Walnut Creek | Walnut Creek | California | 94598 | - |
| Yale University | New Haven | Connecticut | 06520 | - |
| Boca Raton Regional Hospital | Boca Raton | Florida | 33486 | - |
| University of Florida Health Science Center - Gainesville | Gainesville | Florida | 32610 | - |
| Saint Luke's Mountain States Tumor Institute | Boise | Idaho | 83712 | - |
| University of Chicago Comprehensive Cancer Center | Chicago | Illinois | 60637 | - |
| Saint Vincent Anderson Regional Hospital/Cancer Center | Anderson | Indiana | 46016 | - |
| Franciscan Saint Francis Health-Beech Grove | Beech Grove | Indiana | 46107 | - |
| IU Health Methodist Hospital | Indianapolis | Indiana | 46202 | - |
| Reid Health | Richmond | Indiana | 47374 | - |
| University of Iowa/Holden Comprehensive Cancer Center | Iowa City | Iowa | 52242 | - |
| Anne Arundel Medical Center | Annapolis | Maryland | 21401 | - |
| University of Michigan Comprehensive Cancer Center | Ann Arbor | Michigan | 48109 | - |
| Henry Ford Hospital | Detroit | Michigan | 48202 | - |
| Borgess Medical Center | Kalamazoo | Michigan | 49001 | - |
| Bronson Methodist Hospital | Kalamazoo | Michigan | 49007 | - |
| West Michigan Cancer Center | Kalamazoo | Michigan | 49007 | - |
| William Beaumont Hospital-Royal Oak | Royal Oak | Michigan | 48073 | - |
| Fairview Ridges Hospital | Burnsville | Minnesota | 55337 | - |
| Mercy Hospital | Coon Rapids | Minnesota | 55433 | - |
| Fairview-Southdale Hospital | Edina | Minnesota | 55435 | - |
| Unity Hospital | Fridley | Minnesota | 55432 | - |
| Minnesota Oncology Hematology PA-Maplewood | Maplewood | Minnesota | 55109 | - |
| Abbott-Northwestern Hospital | Minneapolis | Minnesota | 55407 | - |
| North Memorial Medical Health Center | Robbinsdale | Minnesota | 55422 | - |
| Park Nicollet Clinic - Saint Louis Park | Saint Louis Park | Minnesota | 55416 | - |
| United Hospital | Saint Paul | Minnesota | 55102 | - |
| Ridgeview Medical Center | Waconia | Minnesota | 55387 | - |
| Minnesota Oncology Hematology PA-Woodbury | Woodbury | Minnesota | 55125 | - |
| Washington University School of Medicine | St Louis | Missouri | 63110 | - |
| Northern Rockies Radiation Oncology Center | Billings | Montana | 59101 | - |
| Cheshire Medical Center-Dartmouth-Hitchcock Keene | Keene | New Hampshire | 03431 | - |
| Dartmouth Hitchcock Medical Center | Lebanon | New Hampshire | 03756 | - |
| John F Kennedy Medical Center | Edison | New Jersey | 08818 | - |
| New Mexico Oncology Hematology Consultants | Albuquerque | New Mexico | 87109 | - |
| Memorial Sloan-Kettering Cancer Center | New York | New York | 10065 | - |
| Highland Hospital | Rochester | New York | 14620 | - |
| University of Rochester | Rochester | New York | 14642 | - |
| Mission Hospital-Memorial Campus | Asheville | North Carolina | 28801 | - |
| Carolinas Medical Center/Levine Cancer Institute | Charlotte | North Carolina | 28203 | - |
| Akron General Medical Center | Akron | Ohio | 44307 | - |
| 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 | - |
| Veteran Affairs Medical Center | Dayton | Ohio | 45428 | - |
| Blanchard Valley Hospital | Findlay | Ohio | 45840 | - |
| Atrium Medical Center-Middletown Regional Hospital | Franklin | Ohio | 45005-1066 | - |
| Kettering Medical Center | Kettering | Ohio | 45429 | - |
| Upper Valley Medical Center | Troy | Ohio | 45373 | - |
| Greene Memorial Hospital | Xenia | Ohio | 45385 | - |
| Legacy Mount Hood Medical Center | Gresham | Oregon | 97030 | - |
| Providence Milwaukie Hospital | Milwaukie | Oregon | 97222 | - |
| Adventist Medical Center | Portland | Oregon | 97216 | - |
| Legacy Emanuel Hospital and Health Center | Portland | Oregon | 97227 | - |
| Legacy Good Samaritan Hospital and Medical Center | Portland | Oregon | 97210 | - |
| Providence Portland Medical Center | Portland | Oregon | 97213 | - |
| Providence Saint Vincent Medical Center | Portland | Oregon | 97225 | - |
| Legacy Meridian Park Hospital | Tualatin | Oregon | 97062 | - |
| Radiation Therapy Oncology Group | Philadelphia | Pennsylvania | 19103 | - |
| Thomas Jefferson University Hospital | Philadelphia | Pennsylvania | 19107 | - |
| Rhode Island Hospital | Providence | Rhode Island | 02903 | - |
| M D Anderson Cancer Center | Houston | Texas | 77030 | - |
| American Fork Hospital / Huntsman Intermountain Cancer Center | American Fork | Utah | 84003 | - |
| Sandra L Maxwell Cancer Center | Cedar City | Utah | 84720 | - |
| Cottonwood Hospital Medical Center | Murray | Utah | 84107 | - |
| Intermountain Medical Center | Murray | Utah | 84107 | - |
| McKay-Dee Hospital Center | Ogden | Utah | 84403 | - |
| Utah Valley Regional Medical Center | Provo | Utah | 84604 | - |
| Intermountain Health Care | Salt Lake City | Utah | 84103 | - |
| LDS Hospital | Salt Lake City | Utah | 84143 | - |
| Utah Cancer Specialists-Salt Lake City | Salt Lake City | Utah | 84106 | - |
| Dixie Medical Center Regional Cancer Center | St. George | Utah | 84770 | - |
| Norris Cotton Cancer Center-North | Saint Johnsbury | Vermont | 05819 | - |
| Saint Francis Hospital | Federal Way | Washington | 98003 | - |
| EvergreenHealth Medical Center | Kirkland | Washington | 98033 | - |
| University of Washington Medical Center | Seattle | Washington | 98195 | - |
| Virginia Mason Medical Center | Seattle | Washington | 98101 | - |
| PeaceHealth Southwest Medical Center | Vancouver | Washington | 98664 | - |
| University of Wisconsin Hospital and Clinics | Madison | Wisconsin | 53792 | - |
| Froedtert and the Medical College of Wisconsin | Milwaukee | Wisconsin | 53226 | - |