Largest groups
| Group | City | Clinicians |
|---|
| Iu Health Medical Group LLC | Indianapolis | 222 |
| Community Physicians Of Indiana INC | Indianapolis | 98 |
| Northside Anesthesia Services, LLC | Indianapolis | 93 |
| Southeast Anesthesiologists INC | Indianapolis | 75 |
| Parkview Health System INC | Fort Wayne | 53 |
| Community Anesthesia Associates, PC | Indianapolis | 47 |
| Associated Anesthesiologists Of Fort Wayne PC | Fort Wayne | 43 |
| Nwi Medical Associates , LLC | Munster | 39 |
| Bloomington Anesthesiologists PC | Bloomington | 37 |
| Deaconess Hospital, INC. | Evansville | 34 |
| Iu Health Medical Group Riley Specialists LLC | Indianapolis | 27 |
| St Vincent Medical Group INC | Indianapolis | 26 |
| Reid Physician Associates INC | Richmond | 26 |
| Iu Anesthesiology Associates-Pediatrics, LLC | Indianapolis | 24 |
| Northstar Anesthesia Of Indiana LLC | New Albany | 24 |
| Orthopaedics-Indianapolis INC | Indianapolis | 23 |
| Arnett Clinic LLC | Lafayette | 22 |
| Aas Indiana LLC | Fort Wayne | 21 |
| Indiana University Health Ball Memorial Physicians INC | Muncie | 21 |
| Anesthesiology Group Associates PC | Evansville | 19 |
| Glhs Anesthesia Group | Lafayette | 18 |
| Australia Anesthesia Management LLC | Goshen | 16 |
| Porter County Anesthesia Associates PC | Valparaiso | 15 |
| La Porte County Anesthesia Associates, LLC | Michigan City | 14 |
| Johnson Memorial Hospital | Franklin | 13 |
Group size mix
| Clinicians per group ID | Group IDs |
|---|
| 1 | 26 |
| 2 to 4 | 16 |
| 5 to 9 | 17 |
| 10 to 24 | 23 |
| 25 or more | 13 |
Source: CMS Doctors and Clinicians National Downloadable File. Counts are Medicare enrollment records, not a full census.