Doctor profile · Federal record
Dr. Brian Gretta, M.D.
Emergency Medicine Physician (CMS: Internal Medicine) · Emergency Medicine Physician · Lincoln, ME
- NPI 1659356384
- Accepts Medicare
- 40 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
7 Transalpine RD
Lincoln, ME 044574222
(207) 794-3321
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- October 5, 2023
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Maine #MD13084 · Massachusetts #205530
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659356384. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
170
Distinct HCPCS
3
Medicare allowed
$17,736
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 85 | 74 | $112 | |
99285 |
Emergency department visit with high level of medical decision making | 50 | 48 | $160 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 35 | 33 | $7 |
In context: peer comparison
Among 1 peers in Lincoln Emergency Medicine Physician, average services per provider: 56. This provider delivers 3.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
143
Patients
136
Total drug cost
$738
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tramadol Hcl | Generic | 34 | 33 | $101 |
| Prednisone | Generic | 25 | 25 | $75 |
| Ondansetron Odt (Ondansetron) | Brand | 21 | 18 | $174 |
| Methylprednisolone | Generic | 16 | 13 | $125 |
| Levofloxacin | Generic | 13 | 13 | $68 |
| Azithromycin | Generic | 12 | 12 | $100 |
| Dicyclomine Hcl | Generic | 11 | 11 | $49 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 11 | 11 | $47 |
Hospital affiliations
Frequently asked questions
What is Dr. Brian Gretta's medical specialty?
Dr. Brian Gretta practices Emergency Medicine Physician in Lincoln, ME.
Where does Dr. Brian Gretta practice?
Dr. Brian Gretta practices at 7 Transalpine RD, Lincoln, ME 044574222. Office phone: 2077943321.
What is Dr. Brian Gretta's NPI?
Dr. Brian Gretta's National Provider Identifier (NPI) is 1659356384, issued by NPPES.
Does Dr. Brian Gretta accept Medicare assignment?
Yes. Dr. Brian Gretta accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Gretta commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.