| Sadler Health Center |
Pennsylvania, United States |
| Saint Agnes Medical Center |
California, United States |
| Saint Francis Health System |
Oklahoma, United States |
| Saint Francis Hospital and Medical Center |
Connecticut, United States |
| Saint Luke's Health System |
Missouri, United States |
| Salud Revenue Solutions |
Indiana, United States |
| Samaritan Health Services |
Oregon, United States |
| Samaritan Health Services |
Oregon, United States |
| Samaritan Healthcare |
Washington, United States |
| Samaritan Medical Center |
New York, United States |
| San Juan Regional Medical Center |
New Mexico, United States |
| San Juan Regional Medical Center |
New Mexico, United States |
| Sanford Health |
South Dakota, United States |
| SBH Health System - St. Barnabas Hospital |
New York, United States |
| Schmidt Mathews |
Missouri, United States |
| Schumacher Clinical Partners |
Texas, United States |
| SCL Health Medical Group |
Colorado, United States |
| SEARHC |
Alaska, United States |
| Seattle Children's |
Washington, United States |
| SEHA |
Other, United Arab Emirates |
| Self Regional Healthcare |
South Carolina, United States |
| Self Regional Healthcare |
South Carolina, United States |
| Sentara Health |
Virginia, United States |
| Shaker Advertising |
Illinois, United States |
| Shands HealthCare |
Florida, United States |
| Shands Healthcare |
Florida, United States |
| Sharp HealthCare |
California, United States |
| Sheridan Memorial Hospital |
Wyoming, United States |
| Shore Physicians Group |
New Jersey, United States |
| Shriners Hospitals for Children |
Texas, United States |
| Shriners Hospitals for Children |
, United States |
| Sierra Surgery Hospital |
Nevada, United States |
| Sierra Vista Regional Health Center |
Arizona, United States |
| Signet Health |
Virginia, |
| Sinai Chicago |
Florida, United States |
| Sinai helath System |
Illinois, United States |
| Sioux Falls Specialty Hospital |
South Dakota, United States |
| Sisters of Charity Health System |
Other, United States |
| Sisters of Charity of Leavenworth Health System |
Colorado, United States |
| Sisters of Mary of the Presentation Health System (SMPHS) |
North Dakota, United States |
| Sitka Community Hospital |
Alaska, United States |
| Skagit Regional Health |
Washington, United States |
| Skyline Urology |
California, United States |
| Slidell Memorial Hospital |
Louisiana, United States |
| Smith and Syberg, Inc. |
Indiana, United States |
| Smith County Memorial Hospital |
Kansas, United States |
| Solomon Page |
New York, United States |
| Solomon Page Group |
New York, United States |
| SolutionHealth |
New Hampshire, United States |
| Sonora Quest Laboratories |
, |
| South Central Regional Medical Center |
Mississippi, United States |
| South Central Regional Medical Center |
Mississippi, United States |
| South Georgia Medical Center |
, |
| South Lincoln Hospital District |
Wyoming, United States |
| South Nassau Communities Hospital |
New York, United States |
| South Peninsula Hospital |
Alaska, United States |
| South Shore Health |
, |
| Southcoast Health |
Massachusetts, United States |
| Southeast Georgia Health System (Shaker) |
Georgia, United States |
| Southeast Reimbursement Group, LLC |
Georgia, United States |
| SoutheastHEALTH |
Missouri, United States |
| Southern New Hampshire Health |
New Hampshire, United States |
| Southwest Healthcare Services |
North Dakota, United States |
| Sparrow Health System |
Michigan, United States |
| Spartanburg Regional Critical Care |
South Carolina, United States |
| Spartanburg Regional Healthcare System |
South Carolina, United States |
| Spartanburg Regional Healthcare System |
South Carolina, United States |
| Spartanburg Regional,Spartanburg Regional |
South Carolina, United States |
| Spectrum Health |
Michigan, United States |
| Spectrum Health Pennock |
Michigan, United States |
| Spencer Hospital |
Iowa, United States |
| Springfield Clinic |
Illinois, United States |
| Springstone, Inc. |
Kentucky, United States |
| St. Anthony's Memorial Hospital |
Illinois, United States |
| St. Elizabeth Healthcare |
Kentucky, United States |
| St. Francis Hospital |
Illinois, United States |
| St. James Parish Hospital |
Louisiana, United States |
| St. Jude Children's Research Hospital |
Tennessee, United States |
| St. Jude Medical Center |
, |
| St. Luke's |
Minnesota, United States |
| St. Luke's |
Idaho, United States |
| St. Mary's Health Care System |
Georgia, United States |
| St. Peter's Health Partners |
New York, United States |
| St. Rose Dominican Hospitals |
Nevada, United States |
| St. Tammany Health System |
Louisiana, United States |
| St. Vincent Hospital |
Wisconsin, United States |
| St. Vincent's Medical Center |
Florida, United States |
| Stanford Health Care |
California, United States |
| Stanford Health Care |
California, United States |
| State Collection Service |
Wisconsin, United States |
| State of Franklin Healthcare |
Tennessee, United States |
| Steele Memorial Medical Center |
Idaho, United States |
| Stern & Associates Inc |
British Columbia, Canada |
| Steward Health Care |
Massachusetts, United States |
| Stony Brook University |
New York, United States |
| Strata |
Illinois, United States |
| Strategic Behavioral Health |
Tennessee, United States |
| Strategic Healthcare Resources |
Tennessee, United States |
| Stratum Med |
Illinois, United States |
| Stratum Med, Inc. |
Illinois, United States |
| Suburban Hospital |
Maryland, United States |
| Summa Health |
Ohio, United States |
| Summit Healthcare |
Arizona, United States |
| Summit Healthcare Regional Medical Center |
Arizona, United States |
| Sunnyside Community Hospital & Clinics |
Washington, United States |
| Sutter Health |
California, United States |
| Symphony Talent (Anne Arundel) |
New York, United States |
