| University of Alabama at Birmingham | Birmingham | Alabama | 35294 | - |
| Arizona Cancer Center | Tucson | Arizona | 85724 | - |
| University of Arkansas for Medical Science | Little Rock | Arkansas | 72205 | - |
| Tower Cancer Research Foundation | Beverly Hills | California | 90211 | - |
| City of Hope Nat'l Medical Center | Duarte | California | 91010 | - |
| Loma Linda University Medical Center | Loma Linda | California | 92354 | - |
| Cedars-Sinai Medical Center | Los Angeles | California | 90048 | - |
| USC/ Norris Comprehensive Cancer Center | Los Angeles | California | 90033 | - |
| Hoag Memorial Hospital Presbyterian | Newport Beach | California | 92658 | - |
| Comprehensive Cancer Center at Desert Regional Medical Center | Palm Springs | California | 92262 | - |
| Bay Area Cancer Research Group, LLC | Pleasant Hill | California | 94523 | - |
| University of California, San Francisco Comprehensive Cancer Center | San Francisco | California | 94143-1770 | - |
| City of Hope Medical Group (COHMG) | South Pasadena | California | 91030 | - |
| Rocky Mountain Cancer Center- Aurora | Aurora | Colorado | 80012 | - |
| University of Colorado Hospital | Aurora | Colorado | 80045 | - |
| Rocky Mountain Cancer Centers-Boulder | Boulder | Colorado | 80303 | - |
| Penrose St. Francis Health Services | Colorado Springs | Colorado | 80907 | - |
| Rocky Mountain Cancer Center | Colorado Springs | Colorado | 80907 | - |
| Rocky Mountain Cancer Center | Colorado Springs | Colorado | 80909 | - |
| Rocky Mountain Cancer Center-Midtown | Denver | Colorado | 80218 | - |
| Rocky Mountain Cancer Centers- Rose | Denver | Colorado | 80220 | - |
| Rocky Mountain Cancer Centers | Lakewood | Colorado | 80228 | - |
| Rocky Mountain Cancer Centers-Littleton | Littleton | Colorado | 80120-4413 | - |
| Rocky Mountain Cancer Center-Sky Ridge | Lone Tree | Colorado | 80124 | - |
| Rocky Mountain Cancer Centers-Longmont | Longmont | Colorado | 80501 | - |
| Rocky Mountain Cancer Center-Parker | Parker | Colorado | 80138 | - |
| Rocky Mountain Cancer Centers | Thornton | Colorado | 80260 | - |
| Yale University | New Haven | Connecticut | 06520 | - |
| Smilow Cancer Hospital Care Center | Sharon | Connecticut | 06069 | - |
| Hematology Oncology, P.C. | Stamford | Connecticut | 06902 | - |
| Smilow Cancer Hospital Care Center | Torrington | Connecticut | 06790 | - |
| Florida Cancer Institute-New Hope | Hudson | Florida | 34667 | - |
| Cancer Specialists of North Florida | Jacksonville | Florida | 32204 | - |
| Cancer Specialists of North Florida | Jacksonville | Florida | 32216 | - |
| Watson Clinic LLP | Lakeland | Florida | 33805 | - |
| Advanced Medical Specialties | Miami | Florida | 33176 | - |
| Florida Cancer Institute- New Hope | New Port Richey | Florida | 34655 | - |
| Florida Cancer Specialists | Orlando | Florida | 32806 | - |
| Hematology Oncology Associates of the Treasure Coast | Port Saint Lucie | Florida | 34952 | - |
| Peachtree Hematology-Oncology Consultants, P.C. | Atlanta | Georgia | 30318 | - |
| Central Georgia Cancer Care, PC | Macon | Georgia | 31201 | - |
| Northwest Georgia Oncology Centers, PC | Marietta | Georgia | 30060 | - |
| Mountain States Tumor Institute | Boise | Idaho | 83712 | - |
| Mountain States Tumor Institute | Meridian | Idaho | 83642 | - |
| Kootenai Cancer Center | Post Falls | Idaho | 83854 | - |
| Mountain States Tumor Institute | Twin Falls | Idaho | 83301 | - |
| Rush University Medical Center | Chicago | Illinois | 60612 | - |
| University of Chicago, Section of Hematology/Oncology | Chicago | Illinois | 60637 | - |
| Joliet Oncology Hematology Assoc., LTD | Joliet | Illinois | 60435 | - |
| Loyola University Medical Center | Maywood | Illinois | 60153 | - |
| Indiana University Health | Carmel | Indiana | 46032 | - |
| Indiana University Health | Fishers | Indiana | 46037 | - |
| Indiana University Health | Greenfield | Indiana | 46140 | - |
| Indiana University Health | Indianapolis | Indiana | 46219 | - |
| Indiana University Health | Indianapolis | Indiana | 46227 | - |
| University of Kansas Medical Center | Westwood | Kansas | 66205 | - |
| Norton Healthcare, Inc. | Louisville | Kentucky | 40202 | - |
| Leonard J. Chabert Medical Center | Houma | Louisiana | 70363 | - |
| Cancer Care of Maine | Brewer | Maine | 04412 | - |
| Greater Baltimore Medical Center | Baltimore | Maryland | 21204 | - |
| St. Joseph Medical Center's Cancer Institute | Towson | Maryland | 21204 | - |
| Caritas St. Elizabeth's Medical Center | Boston | Massachusetts | 02135 | - |
| St. Joseph Mercy Hospital | Ann Arbor | Michigan | 48106 | - |
| Minnesota Oncology Hematology, P.A. | Burnsville | Minnesota | 55337 | - |
| Minnesota Oncology Hematology, P.A. | Edina | Minnesota | 55435-2150 | - |
| Minnesota Oncology Hematology, P.A. | Maplewood | Minnesota | 55109 | - |
| Minnesota Oncology Hematology, P.A. | Minneapolis | Minnesota | 55404 | - |
| Minnesota Oncology Hematology | Saint Paul | Minnesota | 55102-2389 | - |
| Minnesota Oncology Hematology, P.A. | Woodbury | Minnesota | 55125 | - |
| Missouri Cancer Associates | Columbia | Missouri | 65201 | - |
| Heartland Regional Medical Center d/b/a Heartland Clinic | Saint Joseph | Missouri | 64507 | - |
| St. Francis Cancer Treatment Center | Grand Island | Nebraska | 68803 | - |
| Nebraska Methodist Hospital | Omaha | Nebraska | 68114 | - |
| Comprehensive Cancer Centers of Nevada | Henderson | Nevada | 89052 | - |
| Comprehensive Cancer Centers of Nevada | Las Vegas | Nevada | 89128 | - |
| Comprehensive Cancer Centers of Nevada | Las Vegas | Nevada | 89148 | - |
| Comprehensive Cancer Centers of Nevada | Las Vegas | Nevada | 89169 | - |
| NH Oncology-Hematology PA (Co) | Concord | New Hampshire | 03301 | - |
| NH Oncology-Hematology PA | Hooksett | New Hampshire | 03106 | - |
| Dartmouth-Hitchcock Medical Center | Lebanon | New Hampshire | 03756 | - |
| Hackensack University Medical Center | Hackensack | New Jersey | 07601 | - |
| University of New Mexico Health Science Center | Albuquerque | New Mexico | 87131 | - |
| Christus St. Vincent Regional Cancer Center | Santa Fe | New Mexico | 87505 | - |
| Interlakes Oncology Hematology, PC | Brockport | New York | 14420 | - |
| Interlakes Oncology Hematology, PC | Canadaigua | New York | 14424 | - |
| Interlakes Oncology Hematology, PC | Geneva | New York | 14456 | - |
| Advanced Oncology Associates | New Rochelle | New York | 10801 | - |
| The New York Presbyterian-Weill Medical College of Cornell University | New York | New York | 10065 | - |
| Interlakes Oncology Hematology, PC | Rochester | New York | 14623 | - |
| Interlakes Oncology Hematology, PC | Rochester | New York | 14626 | - |
| Stony Brook University Medical Center | Stony Brook | New York | 11794 | - |
| Montefiore Medical Center | The Bronx | New York | 10467 | - |
| Raleigh Hematology Oncology Associates d/b/a Cancer Center of North Carolina | Cary | North Carolina | 27511 | - |
| Carolina Oncology Specialists PA | Hickory | North Carolina | 28602 | - |
| Raleigh Hematology Oncology Associates | Raleigh | North Carolina | 27607 | - |
| Raleigh Hematology Oncology Associates | Raleigh | North Carolina | 27609 | - |
| Aultman Hospital/ North Canton Medical Foundation | Canton | Ohio | 44710 | - |
| University Hopsitals of Cleveland | Cleveland | Ohio | 44106 | - |
| Hematology Oncology Consultants Inc. | Columbus | Ohio | 43228 | - |
| Earle A Chiles Research Institute | Portland | Oregon | 97213 | - |
| Northwest Cancer Specialists, PC | Portland | Oregon | 97213 | - |
| Northwest Cancer Specialists, PC | Portland | Oregon | 97225 | - |
| Northwest Cancer Specialists, PC | Portland | Oregon | 97227 | - |
| Northwest Cancer Specialists, PC | Tualatin | Oregon | 97062 | - |
| Cancer Care Associates - Medical Oncology | Bethlehem | Pennsylvania | 18015 | - |
| The Hospital of the University of Pennsylvania | Philadelphia | Pennsylvania | 19104 | - |
| Allegheny General Hospital | Pittsburgh | Pennsylvania | 15212 | - |
| South Carolina Oncology Assoc., PA | Columbia | South Carolina | 29210 | - |
| Cancer Centers of the Carolinas | Easley | South Carolina | 29640 | - |
| Cancer Centers of the Carolinas | Greenville | South Carolina | 29605 | - |
| Cancer Centers of the Carolinas | Greenville | South Carolina | 29615 | - |
| Cancer Centers of the Carolinas, Seneca | Seneca | South Carolina | 29672 | - |
| Cancer Centers of the Carolinas | Spartanburg | South Carolina | 29307 | - |
| Cookeville Regional Medical Center | Cookeville | Tennessee | 38501 | - |
| Bostin Baskin Cancer Foundation | Germantown | Tennessee | 38138 | - |
| Tennessee Cancer Specialists | Knoxville | Tennessee | 37909 | - |
| Bostin Baskin Cancer Foundation | Memphis | Tennessee | 38104 | - |
| Family Cancer Center Foundation, Inc. | Memphis | Tennessee | 38119 | - |
| West Clinic | Memphis | Tennessee | 38120 | - |
| Sarah Cannon Cancer Center | Nashville | Tennessee | 37203 | - |
| Sarah Cannon Research Institute | Nashville | Tennessee | 37203 | - |
| Texas Oncology, P.A. - Amarillo | Amarillo | Texas | 79106 | - |
| Texas Oncology Beaumont | Beaumont | Texas | 77702-1449 | - |
| Baylor Charles A Sammons Cancer Center | Dallas | Texas | 75246 | - |
| Texas Oncology Texas Cancer Center at Medical City | Dallas | Texas | 75230-2510 | - |
| Texas Oncology - Flower Mound | Flower Mound | Texas | 75028 | - |
| Texas Oncology Southwest Forth Worth | Fort Worth | Texas | 76132 | - |
| Texas Oncology, Fort Worth | Fort Worth | Texas | 76104 | - |
| Texas Oncology, Garland | Garland | Texas | 75042-5788 | - |
| Cancer Care Centers of South Texas - HOAST | New Braunfels | Texas | 78131 | - |
| Texas Oncology - Paris | Paris | Texas | 75460-5004 | - |
| Texas Oncology - Plano East | Plano | Texas | 75075-7787 | - |
| Cancer Care Centers of South Texas-HOAST | San Antonio | Texas | 78229 | - |
| Texas Oncology -Tyler | Tyler | Texas | 75702 | - |
| Texas Oncology Cancer Care and Research Center | Waco | Texas | 76712 | - |
| Onc and Hem Associates of SW VA, Inc. | Christiansburg | Virginia | 24073 | - |
| Onc and Hem Associates of SW VA, Inc. d/b/a Blue Ridge Cancer Care | Christiansburg | Virginia | 24073 | - |
| Virginia Oncology Associates | Hampton | Virginia | 23666 | - |
| Virginia Oncology Associates | Newport News | Virginia | 23606 | - |
| Virginia Oncology Associates | Norfolk | Virginia | 23502 | - |
| Onc and Hem Associates of SW VA, Inc. d/b/a Blue Ridge Cancer Care | Roanoke | Virginia | 24014 | - |
| Onc and Hem Assoc of SW VA, Inc d/b/a Blue Ridge Cancer Care | Salem | Virginia | 24153 | - |
| Onc and Hem Associates of SW VA, Inc. d/b/a Blue Ridge Cancer Care | Wytheville | Virginia | 24382 | - |
| Univ. of Washington/ Seattle Cancer Care Alliance | Seattle | Washington | 98109 | - |
| Cancer Care Northwest | Spokane | Washington | 99202 | - |
| Cancer Care Northwest-North | Spokane | Washington | 99218 | - |
| Cancer Care Northwest-Valley | Spokane Valley | Washington | 99216 | - |
| Northwest Cancer Specialist, P.C. | Vancouver | Washington | 98686 | - |
| Northwest Cancer Specialists, P.C. | Vancouver | Washington | 98684 | - |