Doctor profile · Federal record
Dr. Timothy O'Brien, M.D.
Surgery Physician (CMS: General Surgery) · Rockport, ME
- NPI 1962441055
- Accepts Medicare
- MIPS 93.1 / 100 · 2023
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4 Glen Cove Dr, Suite 103
Rockport, ME 048564235
(207) 593-5737
fax (207) 593-5333
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- February 5, 2014
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- Maine #MD18627
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1962441055. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
166
Distinct HCPCS
7
Medicare allowed
$18,182
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 62 | 51 | $63 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 30 | 30 | $78 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 19 | 19 | $125 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 15 | $94 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 16 | 11 | $48 | |
49505 |
Repair of groin hernia (5 years or older) | 12 | 11 | $492 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $128 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 21. This provider delivers 7.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
33
Patients
32
Total drug cost
$62
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 33 | 32 | $62 |
Hospital affiliations
Frequently asked questions
What is Dr. Timothy O'Brien's medical specialty?
Dr. Timothy O'Brien practices Surgery Physician in Rockport, ME.
Where does Dr. Timothy O'Brien practice?
Dr. Timothy O'Brien practices at 4 Glen Cove Dr, Rockport, ME 048564235. Office phone: 2075935737.
What is Dr. Timothy O'Brien's NPI?
Dr. Timothy O'Brien's National Provider Identifier (NPI) is 1962441055, issued by NPPES.
Does Dr. Timothy O'Brien accept Medicare assignment?
Yes. Dr. Timothy O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.