| Huntsville Hospital (Heart Center Research LLC) | Huntsville | Alabama | 35801 | - |
| Scottsdale Healthcare Hospitals (d/b/a HonorHealth - HonorHealth Research Institute) | Scottsdale | Arizona | 85258 | - |
| Arkansas Heart Hospital | Little Rock | Arkansas | 72211 | - |
| John Muir Health Concord | Concord | California | 94520 | - |
| Washington Hospital (Mission Cardiovascular Research Institute) | Fremont | California | 94538 | - |
| Scripps Memorial Hospital/Prebys Cardiovascular Institute | La Jolla | California | 92037 | - |
| Cedars-Sinai Medical Center | Los Angeles | California | 90048 | - |
| University of California Davis Medical Center | Sacramento | California | 95817 | - |
| Sharp Grossmont Hospital (La Mesa Cardiac Center) | San Diego | California | 91942 | - |
| Sharp Memorial Hospital / San Diego Cardiac Center | San Diego | California | 92123 | - |
| Santa Barbara Cottage Hospital/Sansum Clinic | Santa Barbara | California | 93105 | - |
| Torrance Memorial Medical Center | Torrance | California | 90505 | - |
| Rocky Mountain Regional VA Medical Center | Aurora | Colorado | 80045 | - |
| Medstar Washington Hospital | Washington D.C. | District of Columbia | 20010 | - |
| JFK Medical Center | Atlantis | Florida | 33462 | - |
| Clearwater Cardiovasular Consultants | Clearwater | Florida | 33756 | - |
| Morton Plant Mease Healthcare System | Clearwater | Florida | 33756 | - |
| North Florida Regional / The Cardiac and Vascular Institute | Gainesville | Florida | 32605 | - |
| St. Vincent's Medical Center (St. Vincent's Healthcare) | Jacksonville | Florida | 32204 | - |
| Tallahassee Memorial Hospital / Tallahassee Research Institute, Inc. | Tallahassee | Florida | 32308 | - |
| Augusta Medical Center | Augusta | Georgia | 30912 | - |
| University Health, INC/University Cardiology Associates, LLC | Augusta | Georgia | 30901 | - |
| Atlanta Veterans Affairs Medical Center | Decatur | Georgia | 30033 | - |
| North Georgia Heart Foundation, Inc. | Gainesville | Georgia | 30501 | - |
| St. John's Hospital | Springfield | Illinois | 62701 | - |
| Elkhart General Hospital/Midwest Cardiology Research & Education Foundation | Elkhart | Indiana | 46514 | - |
| Franciscan Physician Network-Indiana Heart Physicians | Indianapolis | Indiana | 46237 | - |
| St. Vincent Heart Center of Indiana | Indianapolis | Indiana | 46290 | - |
| The University of Kansas Medical Center | Kansas City | Kansas | 66160 | - |
| Cardiovascular Research Institute of Kansas/Via Christi Regional Medical | Wichita | Kansas | 67226 | - |
| Kansas Heart Hospital (Cardiovascular Research Institute of Kansas) | Wichita | Kansas | 67226 | - |
| University of Kentucky/Gill Heart and Vascular Institute | Lexington | Kentucky | 40536 | - |
| Baptist Health Louisville/Louisville Cardiology | Louisville | Kentucky | 40207 | - |
| Eastern Maine Medical Center/One Northeast Drive | Bangor | Maine | 04401 | - |
| MedStar Union Memorial Hospital | Baltimore | Maryland | 21218 | - |
| Beth Israel Deaconess Medical Center | Boston | Massachusetts | 02215 | - |
| Massachusetts General Hospital | Boston | Massachusetts | 02114 | - |
| Lahey Clinic/Lahey Hospital and Medical Center | Burlington | Massachusetts | 01805 | - |
| Baystate Medical Center | Springfield | Massachusetts | 01199 | - |
| McLaren Bay Region | Bay City | Michigan | 48708 | - |
| St John Hospital & Medical Center | Detroit | Michigan | 48236 | - |
| Genesys Regional Medical Center (Regional Cardiology Associates) | Grand Blanc | Michigan | 48439 | - |
| Western Michigan University Homer Stryker M.D. School of Medicine | Kalamazoo | Michigan | 49048 | - |
| MidMichigan Medical Center Midland | Midland | Michigan | 48670 | - |
| Traverse Heart and Vascular Munson Medical Center | Traverse City | Michigan | 49684 | - |
| St. Joseph Mercy Hospital (Michigan Heart) | Ypsilanti | Michigan | 48197 | - |
| Abbott Northwestern Hospital (Minneapolis Heart Institute Foundation) | Minneapolis | Minnesota | 55407 | - |
| CentraCare | Saint Cloud | Minnesota | 56303 | - |
| St Dominic-Jackson Memorial Hospital (Jackson Heart Clinic) | Jackson | Mississippi | 39216 | - |
| North Mississippi Medical Center (Cardiology Associates Research) | Tupelo | Mississippi | 38801 | - |
| Boone Hospital Center (Missouri Cardiovascular Specialists) | Columbia | Missouri | 65201 | - |
| St. Luke's Hospital/Mid America Heart Institute | Kansas City | Missouri | 64111 | - |
| Washington University School of Medicine Barnes Jewish Hospital | St Louis | Missouri | 63110 | - |
| St. Patrick Hospital International Heart Institute of Montana Foundation | Missoula | Montana | 59802 | - |
| Bryan Local General Hospital (Bryan Medical Center East) | Lincoln | Nebraska | 68506 | - |
| Our Lady of Lourdes/Cardiovascular Associates of the Delaware Valley (The Heart House) | Camden | New Jersey | 08035 | - |
| Englewood Hospital and Medical Center | Englewood | New Jersey | 07631 | - |
| Morristown Medical Center | Morristown | New Jersey | 07960 | - |
| Jersey Shore University Medical Center | Neptune City | New Jersey | 07753 | - |
| St. Joseph's Hospital Health Center | East Syracuse | New York | 13057 | - |
| New York - Presbyterian Queens Lang Research Center | Flushing | New York | 11355 | - |
| Lenox Hill Hospital (Northwell)/ Feinstein Institute | New York | New York | 10075 | - |
| Mount Sinai Medical Center | New York | New York | 10029 | - |
| New York Presbyterian Hospital - Weill Cornell | New York | New York | 10065 | - |
| NYU Langone Health | New York | New York | 10016 | - |
| Stony Brook University Medical Center | Stony Brook | New York | 11794-8167 | - |
| The Presbyterian Hospital (d/b/a Novant Health Heart and Vascular Institute) Novant Health Clinical Research | Charlotte | North Carolina | 28204 | - |
| NC Heart and Vascular Research | Raleigh | North Carolina | 27607 | - |
| Wake Forest Baptist Medical Center (Wake Forest University Health Sciences)/Medical Center Boulevard | Winston-Salem | North Carolina | 27157 | - |
| University Hospitals Cleveland Medical Center | Cleveland | Ohio | 44266 | - |
| Cardiovascular Research Center, LLC (Mercy Health St. Vincent Medical Center LLC) | Toledo | Ohio | 43608 | - |
| Integris Baptist Medical Center/Integris Cardiovascular Physicians, LLC | Oklahoma City | Oklahoma | 73112 | - |
| Hillcrest Medical Center (Oklahoma Heart Institute) | Tulsa | Oklahoma | 74104 | - |
| Providence St. Vincent Medical Center | Portland | Oregon | 97225 | - |
| Holy Spirit Hospital | Camp Hill | Pennsylvania | 17011 | - |
| Doylestown Hospital | Doylestown | Pennsylvania | 18901 | - |
| UPMC Hamot/Medicor Associates, Inc., | Erie | Pennsylvania | 16507 | - |
| Harrisburg Hospital/Pinnacle Health Cardiovascular Institute, Inc. | Harrisburg | Pennsylvania | 17101 | - |
| St. Mary Medical Center | Langhorne | Pennsylvania | 19047 | - |
| Penn Presbyterian Medical Center/Penn Heart and Vascular Pavilion, | Philadelphia | Pennsylvania | 19104 | - |
| Allegheny General Hospital | Pittsburgh | Pennsylvania | 15220 | - |
| UPMC | Pittsburgh | Pennsylvania | 15213 | - |
| St. Joseph Medical Center | Wyomissing | Pennsylvania | 19610 | - |
| Rhode Island Hospital | Providence | Rhode Island | 02903 | - |
| AnMed Health Clinical Research | Anderson | South Carolina | 29621 | - |
| Sanford Health | Sioux Falls | South Dakota | 57105 | - |
| Erlanger Medical Center | Chattanooga | Tennessee | 37403 | - |
| Wellmont Holston Valley Medical Center | Kingsport | Tennessee | 37660 | - |
| Turkey Creek Medical Center (Knoxville HMA Cardiology, LLC) | Knoxville | Tennessee | 37934 | - |
| Baptist Memorial Hospital | Memphis | Tennessee | 38120 | - |
| Centennial Medical Center (TriStar Centennial Medical Center) | Nashville | Tennessee | 37203 | - |
| Heart Hospital of Austin | Austin | Texas | 78756 | - |
| Baylor Heart and Vascular Hospital | Dallas | Texas | 75226 | - |
| Memorial Hermann-Hermann Hospital/UTHealth | Houston | Texas | 77030 | - |
| Texas Tech University Health (University Medical Center) | Lubbock | Texas | 79430-7520 | - |
| East Texas Medical Center | Tyler | Texas | 75701 | - |
| The University of Vermont Medical Center | Burlington | Vermont | 05401 | - |
| Inova Fairfax Hospital/Inova Heart and Vascular Institute | Falls Church | Virginia | 22042 | - |
| Mary Washington Hospital/Virginia Cardiovascular Consultants | Fredericksburg | Virginia | 22401 | - |
| Providence Regional Medical Center Everett | Everett | Washington | 98201 | - |
| Charleston Area Medical Center Memorial Division | Charleston | West Virginia | 25304 | - |