| Arizona Clinical Research Center | Tucson | Arizona | 85715 | - |
| Highlands Oncology Group | Springdale | Arkansas | 72764 | - |
| Alta Bates Comprehensive Cancer Center | Berkeley | California | 94704 | - |
| Loma Linda University Cancer Institute | Loma Linda | California | 92354 | - |
| Metropolitan Hematology/Oncology Medical Group, Inc. | Los Angeles | California | 90057 | - |
| UCLA Medical Center | Los Angeles | California | 90095 | - |
| Kaiser Permanente | San Diego | California | 92120 | - |
| DeQuattro Community Cancer Center | Manchester | Connecticut | 06040 | - |
| New Britain General Hospital | New Britain | Connecticut | 06050 | - |
| Eastern Connecticut Oncology | Norwich | Connecticut | 06360-2910 | - |
| Carl and Dorothy Bennett Cancer Center | Stamford | Connecticut | 06902-3628 | - |
| Florida Cancer Specialists | Fort Myers | Florida | 34135-4251 | - |
| Oncology Hematology Group of South Florida | Miami | Florida | 33176 | - |
| Ocala Oncology | Ocala | Florida | 34474 | - |
| Tampa General Hospital | Tampa | Florida | 33606 | - |
| Atlanta Cancer Center | Atlanta | Georgia | 30342 | - |
| Onc/Hem Associates of Central Illinois | Peoria | Illinois | 61602 | - |
| Hematology Oncology Associates of Illinois | Skokie | Illinois | 60077 | - |
| Carle Cancer Center | Urbana | Illinois | 61801 | - |
| University of Iowa Hospital & Clinics | Iowa City | Iowa | 52242 | - |
| University of Kansas Medical Center | Kansas City | Kansas | 66160 | - |
| University of Kentucky | Lexington | Kentucky | 40536-0098 | - |
| Norton Healthcare, Inc. | Louisville | Kentucky | 40202 | - |
| Mary Bird Perkins Cancer Center | Baton Rouge | Louisiana | 70809 | - |
| J Gurtler, Hematology and Oncology | Metairie | Louisiana | 70006 | - |
| Annapolis Medical Specialists | Annapolis | Maryland | 21401 | - |
| Sinai Hospital | Baltimore | Maryland | 21215 | - |
| The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins | Baltimore | Maryland | 21231 | - |
| New England Medical Center | Boston | Massachusetts | 02111 | - |
| St Elizabeth Medical Center | Boston | Massachusetts | 01235 | - |
| Berkshire Hematology & Oncology, PC | Pittsfield | Massachusetts | 012018298 | - |
| Baystate Medical Center | Springfield | Massachusetts | 01107 | - |
| University of Minnesota | Minneapolis | Minnesota | 55455 | - |
| Kansas City Oncology and Hematology Group | Kansas City | Missouri | 64111 | - |
| New Hampshire Oncology-Hematology PA | Hooksett | New Hampshire | 03106 | - |
| St Barnabas Medical Center | Livingston | New Jersey | 07039 | - |
| Arena Oncology Associates | Great Neck | New York | 11021 | - |
| New York University School of Medicine | New York | New York | 10016 | - |
| St Luke's-Roosevelt Hospital | New York | New York | 10019 | - |
| Interlakes Oncology & Hematology, P.C. | Rochester | New York | 14623 | - |
| Stony Brook University Hospital | Stony Brook | New York | 11794-8174 | - |
| Presbyterian Hospital | Charlotte | North Carolina | 28204 | - |
| Odyssey Research Services | Bismarck | North Dakota | 58501 | - |
| University Hospitals of Cleveland | Cleveland | Ohio | 44106-7832 | - |
| Chiles Research Cancer Center | Portland | Oregon | 97213-2967 | - |
| Hematology & Oncolgy Assoc of NE PA | Dunmore | Pennsylvania | 18512 | - |
| Fox Chase Cancer Center | Philadelphia | Pennsylvania | 19111 | - |
| Pennsylvania Oncology Hematology Associates | Philadelphia | Pennsylvania | 19106 | - |
| University of Pennsylvania Cancer Center | Philadelphia | Pennsylvania | 19104 | - |
| Charleston Hematology/Oncology | Charleston | South Carolina | 29403 | - |
| Sarah Cannon Cancer Center | Nashville | Tennessee | 37203 | - |
| Arlington Cancer Centre | Arlington | Texas | 76012 | - |
| Southwest Regional Cancer Center | Austin | Texas | 78705 | - |
| MD Anderson Cancer Center | Houston | Texas | 77030 | - |
| Tyler Hematology Oncology PA | Tyler | Texas | 75701 | - |
| Green Mountain Oncology Group | Bennington | Vermont | 05201 | - |
| Hematology & Oncology Associates of Virginia, Ltd. | Richmond | Virginia | 23226 | - |
| Western Washington Oncology Inc. | Olympia | Washington | 98502 | - |
| Southwest Washington Medical Center | Vancouver | Washington | 98664 | - |
| Oncology of Wisconsin | Milwaukee | Wisconsin | 53215 | - |