Doctor profile · Federal record
Dr. Douglas Obrien
Physician Assistant · Greenbrae, CA
- NPI 1235158239
- MIPS 96.6 / 100 · 2023
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
250 Bon Air RD
Greenbrae, CA 949041702
(415) 925-7000 - Mailing address
-
3746 Foothill Blvd # B140
Glendale, CA 912141740
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- March 3, 2021
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #PA13578
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235158239. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,837
Distinct HCPCS
10
Medicare allowed
$720,008
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 1,224 | 146 | $150 | |
11043 |
Removal of muscle and/or tissue, 20.0 sq cm or less | 1,020 | 134 | $223 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 664 | 209 | $49 | |
11047 |
Removal of bone, each additional 20.0 sq cm or less | 641 | 24 | $126 | |
11046 |
Removal of muscle and/or tissue, each additional 20.0 sq cm or less | 506 | 49 | $75 | |
11044 |
Removal of bone, 20.0 sq cm or less | 311 | 45 | $322 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 200 | 85 | $105 | |
99305 |
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | 161 | 157 | $131 | |
11042 |
Removal of skin and tissue, 20.0 sq cm or less | 40 | 21 | $132 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 37 | 37 | $177 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 234. This provider delivers 21× the peer median.Frequently asked questions
What is Dr. Douglas Obrien's medical specialty?
Dr. Douglas Obrien practices Physician Assistant in Greenbrae, CA.
Where does Dr. Douglas Obrien practice?
Dr. Douglas Obrien practices at 250 Bon Air RD, Greenbrae, CA 949041702. Office phone: 4159257000.
What is Dr. Douglas Obrien's NPI?
Dr. Douglas Obrien's National Provider Identifier (NPI) is 1235158239, issued by NPPES.
What procedures does Dr. Douglas Obrien commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with high level of medical decision making (HCPCS 99310); Removal of muscle and/or tissue, 20.0 sq cm or less (HCPCS 11043); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.