Dr. Brian L. Gretta, MD
Dr. Brian L. Gretta, MD is an Internal Medicine in Derry, New Hampshire. Qualified in 1986, 40 years ago. Practices with Emergency Medicine Services of Nh, LLC, a 64-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Georgia, Massachusetts and Maine.
- Years since qualifying
- 40
- Licensed in
- GA, MA, ME
- In the registry since
- 2005
- Specialties on file
- 3
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
1 Parkland DrDerry, NH 03038-2746
Phone: (207) 794-3321
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (1)
- 462 E G Miles Pkwy, Hinesville, GA 31313-4000 — (912) 369-9400
Specialties & licences
| Emergency Medicine Physician (primary) | Taxonomy 207P00000X · Licence MD13084 (ME) |
|---|---|
| Emergency Medicine Physician | Taxonomy 207P00000X · Licence 205530 (MA) |
| Emergency Medicine Physician | Taxonomy 207P00000X · Licence 62698 (GA) |
Record details
| NPI number | 1659356384 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | Yes |
| NPI enumerated | December 15, 2005 |
| Last updated in NPPES | July 31, 2026 |
| Certification date | July 31, 2026 |
| Mailing address | 63 Merganser Cove Rd, Orrs Island, ME 04066-2408 |
Medicare enrollment
| Medicare specialty | INTERNAL MEDICINE |
|---|---|
| Also practises | EMERGENCY MEDICINE |
| Medical school | OTHER |
| Graduated | 1986 (40 years in practice) |
| Group practice | Emergency Medicine Services Of Nh, Llc — 64 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
Other providers in Derry
-
Acadian Emergency Physicians, LLC
1 Parkland Dr, Derry, NH 03038-2746 · (469) 401-2386
-
Dr. Maria Michelle Diaz, MD
1 Parkland Dr, Derry, NH 03038-2746 · (603) 421-2220
-
Emergency Medicine Services of Nh, LLC
1 Parkland Dr, Derry, NH 03038-2746 · (603) 432-1500
-
Dr. Marc Michael Grossman, MD
1 Parkland Dr Parkland Medical Ctr, Derry, NH 03038 · (305) 415-1258
-
Da H Le, MD
1 Parkland Dr, Derry, NH 03038-2746 · (603) 421-2220
-
Amy Jill Margolis, DO
1 Parkland Dr, Derry, NH 03038-2746 · (603) 421-2220
-
Running Brook Emergency Physicians, LLC
1 Parkland Dr, Derry, NH 03038-2746 · (603) 432-1500