| Pinnacle Research Group, LLC | Anniston | Alabama | 36207 | - |
| Lakeview Clinical Research | Guntersville | Alabama | 35976 | - |
| Medical Affiliated Research Center | Huntsville | Alabama | 35801 | - |
| Jasper Summit Research LLC | Jasper | Alabama | 35501 | - |
| Hope Research Institute | Chandler | Arizona | 85224 | - |
| Southeast Valley Gastroenterology | Chandler | Arizona | 85224 | - |
| Prime Medical Group, LLC | Gilbert | Arizona | 85296 | - |
| Hope Research Institute | Glendale | Arizona | 85308 | - |
| "Forty-Third Medical Associates Absolute Clinical Research" | Phoenix | Arizona | 85051 | - |
| GI Research Associates, LLC | Phoenix | Arizona | 85037 | - |
| Del Sol Research Management, LLC | Tucson | Arizona | 85715 | - |
| Novak Clinical Research | Tucson | Arizona | 85741 | - |
| Del Sol Research Management, LLC | Tuscon | Arizona | 85715 | - |
| Preferred Research Partners, Inc | Little Rock | Arkansas | 72211 | - |
| Premier Gastroenterology | Little Rock | Arkansas | 72211 | - |
| Arkansas Gastroenterology | North Little Rock | Arkansas | 72117 | - |
| Associated Gastroenterology Medical Group | Anaheim | California | 92801 | - |
| InSite Digestive Health Care | Arcadia | California | 91006 | - |
| Gastroenterology | Burlingame | California | 94010 | - |
| Ventura County Gastroenterology Medical Group | Camarillo | California | 93012 | - |
| Alliance Research Institute | Canoga Park | California | 91304 | - |
| Hope Clinical Research | Canoga Park | California | 91303 | - |
| Gastro SB Clinic | Chula Vista | California | 91910 | - |
| Precision Research Institute | Chula Vista | California | 91910 | - |
| BG Clinical Research and affiliate of The Clinical Trials Network, LLC | Encinitas | California | 92024 | - |
| Diagnamics, Inc | Encinitas | California | 92024 | - |
| Helping Hands Healthcare Group | Fullerton | California | 92831 | - |
| Paragon RX Clinical, Inc. | Garden Grove | California | 92840 | - |
| Digestive Health Research of Southern California | Huntington Beach | California | 92647 | - |
| United Medical Doctors | Irvine | California | 92618 | - |
| Gastro Care Institute | Lancaster | California | 93534 | - |
| Gastroenterology Associates of Beverly Hills | Los Angeles | California | 90048 | - |
| LA Gastroenterology Group | Los Angeles | California | 90004 | - |
| University of Southern California | Los Angeles | California | 90033 | - |
| Knowledge Research Center | Orange | California | 92868 | - |
| InSite Digestive Health Care-San Gabriel | Oxnard | California | 93030 | - |
| Desert Oasis Healthcare Medical Group | Palm Springs | California | 92262 | - |
| Palm Tree Clinical, Inc | Palm Springs | California | 92262 | - |
| InSite Digestive Health Care - Gastroenterology Associates | Pasadena | California | 91105 | - |
| Northern California Research | Sacramento | California | 95821 | - |
| Medical Associates Research Group | San Diego | California | 92123 | - |
| Precision Research Institute | San Diego | California | 92114 | - |
| San Diego Gastroenterology Medical Associates | San Diego | California | 92103 | - |
| SDG Clinical Research, Inc. | San Diego | California | 92103 | - |
| FOMAT Simoni AGI Medical | Thousand Oaks | California | 91360 | - |
| Med Partners, Inc. dba Premiere Medical Center of Burbank, Inc | Toluca Lake | California | 91602 | - |
| Clinical Research of California | Walnut Creek | California | 94598 | - |
| Curebase | Walnut Creek | California | 91789 | - |
| Gastroenterology Associates of Fairfield County | Bridgeport | Connecticut | 06606 | - |
| CMR of Greater New Haven, LLC | Hamden | Connecticut | 06517 | - |
| Yale University | New Haven | Connecticut | 06519 | - |
| Innovative Medical Research of South Florida, Inc. | Aventura | Florida | 33180 | - |
| Reciomed Clinical Research Network, Inc. | Boynton Beach | Florida | 33472 | - |
| Clinical Research of South Florida, an AMR Company | Coral Gables | Florida | 33134 | - |
| Dolphin Medical Research | Doral | Florida | 33172 | - |
| University of Florida College of Medicine | Gainesville | Florida | 32610 | - |
| Palmetto Research, LLC | Hialeah | Florida | 33016 | - |
| Research Centers of America | Hollywood | Florida | 33024 | - |
| The Center for Gastrointestinal Disorders | Hollywood | Florida | 33021 | - |
| Health Awareness, Inc | Jupiter | Florida | 33458 | - |
| Jupiter Medical Center | Jupiter | Florida | 33458 | - |
| Multi-Specialty Research Associates | Lake City | Florida | 32055 | - |
| University Clinical Research-DeLand, LLC dba Accel Research Sites | Lake Mary | Florida | 32746 | - |
| Florida Research Institute | Lakewood Rch | Florida | 34211 | - |
| University Clinical Research-DeLand, LLC dba Accel Research Sites | Melbourne | Florida | 32901 | - |
| Crystal Biomedical Research | Miami Lakes | Florida | 33014 | - |
| Ocala GI Research, LLC | Ocala | Florida | 34471 | - |
| Sarkis Clinical Trials | Ocala | Florida | 34474 | - |
| Gastroenterology of Greater Orlando | Orange City | Florida | 32763 | - |
| Gastroenterology Institute of Orlando | Orlando | Florida | 32807 | - |
| Advanced Gastroenterology Associates, LLC | Palm Harbor | Florida | 34684 | - |
| Precision Clinical Research, LLC | Sunrise | Florida | 33351 | - |
| Guardian Angel Research Center, LLC | Tampa | Florida | 33614 | - |
| Digestive Health Care of Georgia | Atlanta | Georgia | 30309 | - |
| Emory University School of Medicine | Atlanta | Georgia | 30322 | - |
| Metro Atlanta Gastroenterology, LLC. | Atlanta | Georgia | 30342 | - |
| Columbus Regional Research Institute | Columbus | Georgia | 31904 | - |
| Gastroenterology Consultants of Augusta | Evans | Georgia | 30809 | - |
| SKY Clinical Research Network Group | Lawrenceville | Georgia | 30044 | - |
| Infinite Clinical Trials | Riverdale | Georgia | 30274 | - |
| WR-Mount Vernon Clinical Research, LLC | Sandy Springs | Georgia | 30328 | - |
| Rolphe Adult and Pediatric Medicine | Union City | Georgia | 30291 | - |
| Christie Clinic | Champaign | Illinois | 61822 | - |
| Curebase | Chicago | Illinois | 60656 | - |
| University of Chicago Medicine | Chicago | Illinois | 60654 | - |
| Digestive Health Services | Downers Grove | Illinois | 60515 | - |
| Edward Hines Jr. VA Hospital | Hines | Illinois | 60141 | - |
| Gastroenterology & Internal Medicine Specialist, SC, Avicenna Clinical Research | Lake Barrington | Illinois | 60010 | - |
| Suburban Gastroenterology Ltd | Naperville | Illinois | 60540 | - |
| Comprehensive Gastrointestinal Health | Northbrook | Illinois | 60062 | - |
| DM Clinical Research | Oak Lawn | Illinois | 60453 | - |
| Rockford Gastroenterology Associates, Ltd. | Rockford | Illinois | 61107 | - |
| Digestive Research Alliance of Michiana | South Bend | Indiana | 46635 | - |
| University of Iowa Hospitals and Clinics | Iowa City | Iowa | 52242 | - |
| Alliance for Multispecialty Research, LLC | El Dorado | Kansas | 67042 | - |
| West Glen Gastrointestinal Consultants, P.A. | Shawnee | Kansas | 66217 | - |
| Alliance for Multispecialty Research-Wichita West | Wichita | Kansas | 67205 | - |
| Kansas Gastroenterology, LLC | Wichita | Kansas | 67226 | - |
| Tri-State Gastroenterology Associates | Crestview Hills | Kentucky | 41017 | - |
| Robley Rex VA Medical Center | Louisville | Kentucky | 40206 | - |
| University of Louisville Research Foundation | Louisville | Kentucky | 40202 | - |
| Northlake Gastroenterology Associates | Covington | Louisiana | 70433 | - |
| Northlake Gastroenterology Associates | Hammond | Louisiana | 70403 | - |
| CroNola LLC | Houma | Louisiana | 70360 | - |
| Gastroclinic | Lafayette | Louisiana | 70503 | - |
| Clinical Trials of SWLA, LLC | Lake Charles | Louisiana | 70601 | - |
| Delta Research Partners | Monroe | Louisiana | 71201 | - |
| Louisiana Research Center, LLC | Shreveport | Louisiana | 71105 | - |
| Gastro Center of Maryland | Columbia | Maryland | 21045 | - |
| Centennial Medical Group | Elkridge | Maryland | 21075 | - |
| Frederick Gastroenterology Associates | Frederick | Maryland | 21701 | - |
| Mid-Atlantic GI Research | Greenbelt | Maryland | 20770 | - |
| Meridian Clinical Research | Rockville | Maryland | 20854 | - |
| Digestive Health Specialists | Chelmsford | Massachusetts | 01824 | - |
| South Suburban Gastroenterology | South Weymouth | Massachusetts | 02190 | - |
| University of Michigan | Ann Arbor | Michigan | 48109 | - |
| Onyx Clinical Research | Rochester Hills | Michigan | 48307 | - |
| Covenant HealthCare | Saginaw | Michigan | 48602 | - |
| Revive Research Institute, LLC | Southfield | Michigan | 48034 | - |
| Clinical Research Institute of Michigan, LLC | Troy | Michigan | 48098 | - |
| Curebase | Eagan | Minnesota | 55122 | - |
| Gastroenterology Associates of Mississippi | Columbus | Mississippi | 39705 | - |
| Southern Therapy and Advanced Research | Jackson | Mississippi | 39216 | - |
| Quinn Healthcare | Ridgeland | Mississippi | 39157 | - |
| Clinical Research Professionals, LLC | Chesterfield | Missouri | 63005 | - |
| Digestive Health Specialists, LLC | Saint Joseph | Missouri | 64057 | - |
| Saint Louis University GI & Hepatology Research Unit | St Louis | Missouri | 63104 | - |
| Sundance Clinical Research | St Louis | Missouri | 63141 | - |
| Washington University School of Medicine Gastroenterology | St Louis | Missouri | 63110 | - |
| Skyline Medical Center, PC/CCT Research | Elkhorn | Nebraska | 68022 | - |
| Midwest Regional Health Services, LLC/CCT Research | Omaha | Nebraska | 68130 | - |
| Excel Clinical Research | Las Vegas | Nevada | 89109 | - |
| Wr-Crcn, Llc | Las Vegas | Nevada | 89148 | - |
| Advanced Research Institute | Reno | Nevada | 89511 | - |
| Gastroenterology Consultants | Reno | Nevada | 89502 | - |
| Gastroenterology Consultants | Reno | Nevada | 89521 | - |
| Hassman Research Institute | Berlin | New Jersey | 08009 | - |
| Allied Health Clinical Research Organization, LLC | Brick | New Jersey | 08724 | - |
| Gastroenterology Associates Of New Jersey | Clifton | New Jersey | 07013 | - |
| AIG Digestive Disease Research | Florham Park | New Jersey | 07932 | - |
| Allied Health Clinical Research Organization, LLC | Freehold | New Jersey | 07728 | - |
| Hackensack Digestive Disease Associates | Hackensack | New Jersey | 07601 | - |
| Digestive Healthcare Center | Hillsborough | New Jersey | 08844 | - |
| Allied Health Clinical Research Organization | Jackson | New Jersey | 08527 | - |
| Gastroenterology Associates Of New Jersey | Montclair | New Jersey | 07042 | - |
| Dr. Howard N. Guss and Dr. Gagan Beri | Ocean City | New Jersey | 07712 | - |
| Gastroenterology Associates Of New Jersey | Ridgewood | New Jersey | 07450 | - |
| Teaneck Gastroenterology Associates | Teaneck | New Jersey | 07666 | - |
| Advanced Gastroenterology Group | Union | New Jersey | 07083 | - |
| Gastroenterology Associates Of New Jersey | Wayne | New Jersey | 07470 | - |
| North Jersey Gastroenterology | Wayne | New Jersey | 07470 | - |
| Gastroenterology Associates Of New Jersey | Woodland Park | New Jersey | 07424 | - |
| Lovelace Scientific Resources, Inc. | Albuquerque | New Mexico | 87108 | - |
| NY Scientific | Brooklyn | New York | 11235 | - |
| Sam Moskowitz, MD | Brooklyn | New York | 11234 | - |
| Associated Gastroenterologists of Central New York, Camillus | Camillus | New York | 13031 | - |
| Associated Gastroenterology of Central New York | East Syracuse | New York | 13057 | - |
| Associated Gastroenterologists of Central New York | Fayetteville | New York | 13066 | - |
| Intercity Gastroenterology | Fresh Meadows | New York | 11366 | - |
| South Island Gastro | Lawrence | New York | 11559 | - |
| East End Gastroenterology & Hepatology | Manorville | New York | 11949 | - |
| Gastrointestinal Associates of Rockland | New City | New York | 10956 | - |
| Smart Medical Research | Richmond Hill | New York | 11419 | - |
| Syracuse Gastro Associates | Syracuse | New York | 13210 | - |
| Digestive Disease Medicine Of Central New York | Utica | New York | 13502 | - |
| GastroCare LI | Valley Stream | New York | 11581 | - |
| Gastrointestinal Specs Lng Is | Wantagh | New York | 11793 | - |
| Eric L. Tatar, MD | West Nyack | New York | 10994 | - |
| Digestive Health Partners | Asheville | North Carolina | 28801 | - |
| Cary Gastro Associates | Cary | North Carolina | 27518 | - |
| UNC Division of Gastroenterology and Hepatology | Chapel Hill | North Carolina | 27599 | - |
| Carolina Digestive Health Associates, PA | Charlotte | North Carolina | 28210 | - |
| Carolinas Research Center | Charlotte | North Carolina | 28215 | - |
| Charlotte Gastroenterology & Hepatology, PLLC | Charlotte | North Carolina | 28207 | - |
| Javara Research | Charlotte | North Carolina | 28210 | - |
| Carolina Digestive Health Associates, PA | Concord | North Carolina | 28025 | - |
| Northeast GI Research Division | Concord | North Carolina | 28027 | - |
| Coastal Research Institute, LLC | Fayetteville | North Carolina | 28304 | - |
| Medication Management LLC | Greensboro | North Carolina | 27408 | - |
| Pinehurst Medical Clinic | Pinehurst | North Carolina | 28374 | - |
| Carolina's GI Research, LLC | Raleigh | North Carolina | 27607 | - |
| PMG Research of Raleigh | Raleigh | North Carolina | 27609 | - |
| Boice Willis Clinic, PA | Rocky Mount | North Carolina | 27804 | - |
| PMG Research of Salisbury, LLC | Salisbury | North Carolina | 28144 | - |
| Piedmont HealthCare, PA | Statesville | North Carolina | 28625 | - |
| Trial Management Associates, LLC | Wilmington | North Carolina | 28403 | - |
| Wilmington Health | Wilmington | North Carolina | 28401 | - |
| PMG Research of Winston | Winston-Salem | North Carolina | 27103 | - |
| Lillestol Research, LLC | Fargo | North Dakota | 58104 | - |
| Plains Clinical Research Center, LLC | Fargo | North Dakota | 58104 | - |
| Gastroenterology Associates of Cleveland | Beachwood | Ohio | 44122 | - |
| Dayton Gastroenterology | Beavercreek | Ohio | 45440 | - |
| Dayton Gastroenterology, Inc. | Beavercreek | Ohio | 45440 | - |
| Gastro Health Research | Cincinnati | Ohio | 45219 | - |
| University of Cincinnati | Cincinnati | Ohio | 45267 | - |
| ClinOhio Research Services | Columbus | Ohio | 43213 | - |
| Advance Clinical Research | Dayton | Ohio | 45417 | - |
| META Medical Research Institute | Dayton | Ohio | 45432 | - |
| Great Lakes Gastroenterology | Mentor | Ohio | 44060 | - |
| DSI Research, LLC | Springboro | Ohio | 45066 | - |
| University of Toledo Internal Medicine Clinic | Toledo | Ohio | 43606 | - |
| Avamar Gastroenterology and Center | Warren | Ohio | 44484 | - |
| Northshore Gastroenterology & Endoscopy Center | Westlake | Ohio | 44145 | - |
| Digestive Disease Specialists, Inc | Oklahoma City | Oklahoma | 73112 | - |
| Options Health Research, LLC | Tulsa | Oklahoma | 74104 | - |
| Fanno Creek Group | Portland | Oregon | 97219 | - |
| The Oregon Clinic - Gastroenterology East | Portland | Oregon | 97220 | - |
| Eastern Pennsylvania GI & Liver Specialists | Allentown | Pennsylvania | 18104 | - |
| US Digestive Health at Blair | Altoona | Pennsylvania | 16602 | - |
| Valley Gastroenterology Associates | Beaver Falls | Pennsylvania | 15010 | - |
| Susquehanna Research Group, LLC | Camp Hill | Pennsylvania | 17011 | - |
| Susquehanna Research Group | Harrisburg | Pennsylvania | 17110 | - |
| Einstein Medical Center Department of Digestive Disease and Transplantation | Philadelphia | Pennsylvania | 19141 | - |
| Perelman Center for Advanced Medicine | Philadelphia | Pennsylvania | 19104 | - |
| Frontier Clinical Research, LLC | Uniontown | Pennsylvania | 15401 | - |
| GIMED Associates, Inc. | Cranston | Rhode Island | 02920 | - |
| GIMED Associates, Inc. | Narragansett | Rhode Island | 02882 | - |
| Digestive Disease Research Center | Greenwood | South Carolina | 29646 | - |
| Coastal Carolina Research Center | Mt. Pleasant | South Carolina | 29464 | - |
| Southeast Medical Research/Elms Research | North Charleston | South Carolina | 29406 | - |
| South Carolina Clinical Research LLC | Orangeburg | South Carolina | 29118 | - |
| PPCP Division of Gastroenterology LLC | Summerville | South Carolina | 29486 | - |
| Invocare Medical Research & Healthcare Center | West Columbia | South Carolina | 29169 | - |
| Elligo Clinical Research Center | Austin | Tennessee | 78738 | - |
| Erlanger Health Clinical Resarch | Chattanooga | Tennessee | 37403 | - |
| WR-ClinSearch, LLC | Chattanooga | Tennessee | 37421 | - |
| Gastro One | Germantown | Tennessee | 38138 | - |
| Helios Clinical Research lLC | Jackson | Tennessee | 38305 | - |
| The Jackson Clinic | Jackson | Tennessee | 38305 | - |
| The Jackson Clinic, PA | Jackson | Tennessee | 38305 | - |
| East Tennessee Research Institute | Johnson City | Tennessee | 37604 | - |
| Tri-Cities Gastroenterology | Kingsport | Tennessee | 37663 | - |
| Gastrointestinal Associates, P.C. | Knoxville | Tennessee | 37909 | - |
| Vanderbilt University Medical Center | Nashville | Tennessee | 37212 | - |
| Advanced Gastroenterology | Union City | Tennessee | 38261 | - |
| Allied Digestive Disease Center | Cypress | Texas | 77429 | - |
| Northside Gastroenterology Associates | Cypress | Texas | 77429 | - |
| Uma Mohan MD PA | Cypress | Texas | 77429 | - |
| El Paso Integrated Physicians Group, P.A. | El Paso | Texas | 79912 | - |
| Biopharma Informatic | Houston | Texas | 77055 | - |
| Digestive Health Associates | Houston | Texas | 77024 | - |
| Diversified Medical Practices | Houston | Texas | 77057 | - |
| Houston Digestive Diseases Consultants | Houston | Texas | 77074 | - |
| Memorial Hermann Surgery Center | Houston | Texas | 77084 | - |
| University of Texas MD Anderson Cancer Center | Houston | Texas | 77030 | - |
| Protenium Clinical Research Inc. | Hurst | Texas | 76054 | - |
| Biopharma Informatic | McAllen | Texas | 78503 | - |
| Gastroenterology Consultants, P.A. | Pasadena | Texas | 77504 | - |
| Clinical Associates in Research Therapeutics of America | San Antonio | Texas | 78212 | - |
| Gastroenterology Partners of North Houston | Shenandoah | Texas | 77384 | - |
| Texas Gastroenterology Associates/A1 Clinical Network | Spring | Texas | 77386 | - |
| Gastroenterology Associates of Texas, PA | Sugar Land | Texas | 77479 | - |
| Texas Gastro Consultants | Tomball | Texas | 77375 | - |
| Digestive Health Research of North Texas | Wichita Falls | Texas | 76301 | - |
| Progressive Clinical Research | Bountiful | Utah | 84010 | - |
| Advanced Research Institute | Ogden | Utah | 84405 | - |
| Advanced Research Institute Granite Peaks Gastroenterology | Sandy City | Utah | 84092 | - |
| Charlottesville Medical Research | Charlottesville | Virginia | 22911 | - |
| Gastroenterology Associates of Tidewater | Chesapeake | Virginia | 23320 | - |
| Verity Research | Fairfax | Virginia | 22031 | - |
| Blue Ridge Medical Research | Lynchburg | Virginia | 24502 | - |
| The Gastroenterology Group | Reston | Virginia | 20191 | - |
| GI Select Health Research, LLC | Richmond | Virginia | 23236 | - |
| Tidewater Physicians Multispecialty Group Clinical Research | Williamsburg | Virginia | 23188 | - |
| Washington Gastroenterology | Bellevue | Washington | 98004 | - |
| Western Washington Medical Group, Inc | Everett | Washington | 98208 | - |
| Velocity Clinical Research | Spokane | Washington | 99202 | - |
| Holy Family Memorial, Inc | Manitowoc | Wisconsin | 54221 | - |
| Medical College of Wisconsin | Milwaukee | Wisconsin | 53226 | - |
| GI Associates | Stevens Point | Wisconsin | 54482 | - |
| GI Associates | Wausau | Wisconsin | 54401 | - |