Largest groups
| Group | City | Clinicians |
|---|
| Anesthesia Company LLC | Prince Frederick | 213 |
| Johns Hopkins University | Baltimore | 184 |
| First Colonies Anesthesia Associates, LLC | Rockville | 135 |
| Kaiser Foundation Health Plan Of The Mid Atlantic States, INC | Largo | 105 |
| University Of Maryland Anesthesiology Associates PA | Baltimore | 58 |
| North Calvert Anesthesiology Services LLC | Baltimore | 37 |
| Meritus Medical Center INC | Hagerstown | 34 |
| Gbmc Hospital Based Services LLC | Baltimore | 32 |
| Lifebridge Anesthesia Associates LLC | Baltimore | 30 |
| University Of Maryland St Joseph Medical Group LLC | Towson | 29 |
| Shock Trauma Associates PA | Baltimore | 19 |
| Tidewater Anesthesia Associates, PA | Easton | 18 |
| North American Partners In Anesthesia Maryland LLC | Cumberland | 18 |
| Maryland Anesthesia And Pain Management Services PC | Bel Air | 18 |
| St Agnes Healthcare INC | Baltimore | 18 |
| Holy Cross Anesthesiology Associate, PA | Silver Spring | 14 |
| Northstar Anesthesia Of Maryland LLC | La Plata | 13 |
| Capitol Anesthesia Associates LTD | Germantown | 10 |
| Jebs Anesthesia Consultants, LLC | Towson | 9 |
| Capital Care Anesthesia LLC | Bowie | 9 |
| Carroll County Anesthesia Associates, PA | Westminster | 9 |
| Privia Medical Group, LLC | Waldorf | 8 |
| Tidalhealth Specialty Care LLC | Salisbury | 6 |
| Advanced Pain Management Specialists LLC | Germantown | 6 |
| Agape Physical Therapy And Sports Rehabilitation LP | Forest Hill | 6 |
Group size mix
| Clinicians per group ID | Group IDs |
|---|
| 1 | 25 |
| 2 to 4 | 17 |
| 5 to 9 | 11 |
| 10 to 24 | 8 |
| 25 or more | 10 |
Source: CMS Doctors and Clinicians National Downloadable File. Counts are Medicare enrollment records, not a full census.
