Doctor profile · Federal record
Dr. Adam O'Brien, DO
Anesthesiology Physician (CMS: Anesthesiology) · Internal Medicine Physician · Portland, ME
- NPI 1912380320
- Accepts Medicare
- 11 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
22 Bramhall St
Portland, ME 041023134
(207) 662-4594 - Additional location
-
324 Gannett Dr
South Portland, ME 041063270
(207) 482-7800
fax (207) 956-6676 - Mailing address
-
324 Gannett Dr Ste 200
South Portland, ME 041063266
Credentials & registration
- NPI registered
- July 2015 — 11 yrs on file
- Profile last updated
- June 4, 2019
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State licenses (2)
- Maine #DO2916 · Massachusetts #264684
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912380320. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
96
Distinct HCPCS
6
Medicare allowed
$8,338
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
64447 |
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 23 | 23 | $61 | |
01402 |
Anesthesia for procedure for total knee joint replacement | 21 | 21 | $156 | |
00104 |
Anesthesia for electroshock therapy | 14 | 14 | $72 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 13 | 13 | $80 | |
64415 |
Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 13 | 13 | $67 | |
01996 |
Daily hospital management of continuous spinal drug administration | 12 | 12 | $61 |
In context: peer comparison
Among 42 peers in Portland Anesthesiology Physician, average services per provider: 29. This provider delivers 3.3× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Adam O'Brien's medical specialty?
Dr. Adam O'Brien practices Anesthesiology Physician in Portland, ME.
Where does Dr. Adam O'Brien practice?
Dr. Adam O'Brien practices at 22 Bramhall St, Portland, ME 041023134. Office phone: 2076624594.
What is Dr. Adam O'Brien's NPI?
Dr. Adam O'Brien's National Provider Identifier (NPI) is 1912380320, issued by NPPES.
Does Dr. Adam O'Brien accept Medicare assignment?
Yes. Dr. Adam O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Adam O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447); Anesthesia for procedure for total knee joint replacement (HCPCS 01402); Anesthesia for electroshock therapy (HCPCS 00104). Source: CMS Medicare Physician & Other Practitioners file.