| University of Alabama at Birmingham Medical Center | Birmingham | Alabama | 35294-0012 | - |
| John Muir Medical Center - Concord Campus | Concord | California | 94520 | - |
| Valley Clinical Trials, Inc. | Covina | California | 91723 | - |
| AMCR Institute | Escondido | California | 92025 | - |
| Valley Research | Fresno | California | 93720 | - |
| NorCal Medical Research, Inc | Greenbrae | California | 94904 | - |
| UCSD - Altman Clinical and Translational Research Institute (ACTRI) | La Jolla | California | 92037 | - |
| First Valley Medical Group | Lancaster | California | 93534 | - |
| Monterey Endocrine & Diabetes Institute, Inc. | Monterey | California | 93940 | - |
| Riverside University Health System - Medical Center | Moreno Valley | California | 92555 | - |
| Diabetes Associates Medical Group | Orange | California | 92868 | - |
| Pasadena Clinical Research | Pasadena | California | 91105 | - |
| LCGK Research | San Carlos | California | 94070 | - |
| Norcal Endocrinology & Internal Medicine | San Ramon | California | 94583 | - |
| Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center | Torrance | California | 90502 | - |
| University of Colorado Anschutz Medical Campus | Aurora | Colorado | 80045 | - |
| CMR of Greater New Haven, LLC | Hamden | Connecticut | 06517 | - |
| Chase Medical Research, LLC | Waterbury | Connecticut | 06708 | - |
| Orlando Heart & Vascular Institute, LLC | Altamonte Springs | Florida | 32714 | - |
| Excel Medical Clinical Trials | Boca Raton | Florida | 33434 | - |
| Encore Medical Research | Hollywood | Florida | 33024 | - |
| East Coast Institute for Research, LLC | Jacksonville | Florida | 32204 | - |
| Jacksonville Center for Clinical Research | Jacksonville | Florida | 32216 | - |
| Accel Research Sites - St. Pete-Largo Clinical Research Unit | Largo | Florida | 33777 | - |
| Ocala Caridovascular Research | Ocala | Florida | 34474 | - |
| Cardiology Partners Clinical Research Institute - Palm Beach Gardens | Palm Beach Gardens | Florida | 33410 | - |
| Peace River Cardiovascular Center | Port Charlotte | Florida | 33952 | - |
| Professional Health Care of Pinellas | St. Petersburg | Florida | 33713 | - |
| Cardiology Partners Clinical Research Institute - Wellington | Wellington | Florida | 33449 | - |
| Clinical Research of Central Florida | Winter Haven | Florida | 33880 | - |
| Atlanta Diabetes Associates | Atlanta | Georgia | 30318 | - |
| Kaiser Permanente - Dutluth, GA | Duluth | Georgia | 30096 | - |
| NSC Research | Johns Creek | Georgia | 30024 | - |
| Physicians Research Associates | Lawrenceville | Georgia | 30045 | - |
| East Coast Institute for Research at The Jones Center | Macon | Georgia | 31210 | - |
| Atlanta Heart Specialists | Tucker | Georgia | 30084 | - |
| East-West Medical Research Institute | Honolulu | Hawaii | 96814 | - |
| VA Pacific Islands Health Care System | Honolulu | Hawaii | 96819 | - |
| Elite Clinical Trials | Blackfoot | Idaho | 83221 | - |
| Rocky Mountain Clinical Research | Idaho Falls | Idaho | 83404 | - |
| Northwest Heart Clinical Research | Arlington Heights | Illinois | 60005 | - |
| Cedar-Crosse Research Center | Chicago | Illinois | 60607 | - |
| Clinical Investigation Specialists | Gurnee | Illinois | 60031 | - |
| Central Illinois Diabetes and Clinical Research a Division of Prairie Education and Research Cooperative | Springfield | Illinois | 62711 | - |
| University of Iowa | Iowa City | Iowa | 52242 | - |
| Iowa Diabetes and Endocrinology Research Center | West Des Moines | Iowa | 50266 | - |
| The University of Kansas - Clinical Research Center | Fairway | Kansas | 66205 | - |
| Cotton O'Neil Diabetes & Endocrinology | Topeka | Kansas | 66606 | - |
| Cotton O'Neil Mulvane | Topeka | Kansas | 66606 | - |
| Qualmedica Research | Bowling Green | Kentucky | 42101 | - |
| L-MARC Research Center | Louisville | Kentucky | 40213 | - |
| Qualmedica Research, LLC | Owensboro | Kentucky | 42301 | - |
| Ascension Saint Agnes Heart Care | Baltimore | Maryland | 21229 | - |
| MedStar Health Research Institute (MedStar Physician Based Research Network) | Hyattsville | Maryland | 20782 | - |
| MD Medical Research | Oxon Hill | Maryland | 20745 | - |
| Endocrine and Metabolic Consultants | Rockville | Maryland | 20852 | - |
| Brigham and Women's Hospital Diabetes Program | Boston | Massachusetts | 02115 | - |
| Joslin Diabetes Center | Boston | Massachusetts | 02215 | - |
| ActivMed Practices and Research | Methuen | Massachusetts | 01844 | - |
| Infinity Medical Research | North Dartmouth | Massachusetts | 02747 | - |
| Arcturus Healthcare , PLC, Troy Internal Medicine Research Division | Troy | Michigan | 48098 | - |
| St. John's Hospital | Edina | Minnesota | 55435 | - |
| M Health Fairview St. John's Hospital | Maplewood | Minnesota | 55109 | - |
| CentraCare Heart & Vascular Center | Saint Cloud | Minnesota | 56303 | - |
| StudyMetrix Research | City of Saint Peters | Missouri | 63303 | - |
| Clinvest Research LLC | Springfield | Missouri | 65807 | - |
| Mercy Research - Smith Glynn Callaway | Springfield | Missouri | 65807 | - |
| Billings Clinic | Billings | Montana | 59101 | - |
| Mercury Street Medical Group, PLLC | Butte | Montana | 59701 | - |
| University Of Nebraska Medical Center | Omaha | Nebraska | 68198-4130 | - |
| VA Nebraska-Western Iowa Health Care System | Omaha | Nebraska | 68105 | - |
| Palm Research Center Sunset | Las Vegas | Nevada | 89148 | - |
| Palm Research Center Tenaya | Las Vegas | Nevada | 89128 | - |
| Southern Nh Diabetes and Endocrinology | Nashua | New Hampshire | 03060 | - |
| Albany Medical College, Division of Community Endocrinology | Albany | New York | 12203 | - |
| Great Lakes Medical Research, LLC | Westfield | New York | 14787 | - |
| Atrium Health - Department of Family Medicine Research | Charlotte | North Carolina | 28207 | - |
| Duke University | Durham | North Carolina | 27710 | - |
| PMG Research Inc., d/b/a PMG of Piedmont Healthcare | Mooresville | North Carolina | 28117 | - |
| Accellacare - Wilmington | Wilmington | North Carolina | 24801 | - |
| Lillestol Research | Fargo | North Dakota | 58104 | - |
| Cleveland Clinic Foundation | Cleveland | Ohio | 44195 | - |
| Alliance for Multispecialty Research, LLC | Norman | Oklahoma | 73069 | - |
| Heritage Valley Medical Group, Inc. | Beaver | Pennsylvania | 15009 | - |
| Capital Area Research, LLC | Camp Hill | Pennsylvania | 17011 | - |
| Decpa, Llc | Feasterville | Pennsylvania | 19053 | - |
| Northeast Endocrine Metabolic Associates | Philadelphia | Pennsylvania | 19114 | - |
| Thomas Jefferson University - Clinical Research Institute | Philadelphia | Pennsylvania | 19107 | - |
| Preferred Primary Care Physicians, Preferred Clinical Research (Ofc 18) | Pittsburgh | Pennsylvania | 15236 | - |
| Cardiology Consultants of Philadelphia Yardley | Yardley | Pennsylvania | 19067 | - |
| Ralph H. Johnson VA Medical Center | Charleston | South Carolina | 29401 | - |
| Tribe Clinical Research, LLC | Greenville | South Carolina | 29607 | - |
| Accellacare - Mt Pleasant | Mt. Pleasant | South Carolina | 29464 | - |
| Monument Health Rapid City Hospital | Rapid City | South Dakota | 57701 | - |
| Holston Medical Group | Bristol | Tennessee | 37620 | - |
| PMG Research, Inc. d/b/a PMG Research of Knoxville | Knoxville | Tennessee | 37938 | - |
| Endocrine Clinic | Memphis | Tennessee | 38119 | - |
| Private Practice - Dr. Osvaldo A. Brusco | Corpus Christi | Texas | 78414 | - |
| Dallas Diabetes Research Center | Dallas | Texas | 75230 | - |
| Galenos Research | Dallas | Texas | 75251 | - |
| North Texas Endocrine Center | Dallas | Texas | 75231 | - |
| Research Institute of Dallas | Dallas | Texas | 75231 | - |
| Texas Health Physicians Group | Dallas | Texas | 75231 | - |
| Academy of Diabetes, Thyroid and Endocrine | El Paso | Texas | 79935 | - |
| Diabetes and Thyroid Center of Ft. Worth | Fort Worth | Texas | 76132 | - |
| Northwest Houston Cardiology - Cypress | Houston | Texas | 77070 | - |
| Southern Endocrinology Associates | Mesquite | Texas | 75149 | - |
| North Hills Family Medicine/North Hills Medical Research | North Richland Hills | Texas | 76180 | - |
| Audie L Murphy VA Hospital | San Antonio | Texas | 75231 | - |
| Consano Clinical Research, LLC | Shavano Park | Texas | 78231 | - |
| Northwest Houston Heart Center | Tomball | Texas | 77375 | - |
| Physicians' Research Options | Draper | Utah | 84020 | - |
| Advanced Research Institute | Ogden | Utah | 84405 | - |
| Alpine Medical Group | Salt Lake City | Utah | 84102 | - |
| Kalo Clinical Research | West Valley City | Utah | 84120 | - |
| Virginia Heart | Falls Church | Virginia | 22042 | - |
| MultiCare Good Samaritan Hospital | Puyallup | Washington | 98372 | - |
| VA Puget Sound Health Care System | Seattle | Washington | 98108 | - |
| Multicare Institute for Research and Innovation | Spokane | Washington | 99202 | - |
| Central Washington Health Services Association d/b/a Confluence Health | Wenatchee | Washington | 98801 | - |
| Clinical Investigation Specialists | Kenosha | Wisconsin | 53144 | - |