Active NPI 1235158239 Individual Practitioner Male Practitioner

Douglas Obrien

Physician Assistant • Greenbrae, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Douglas Obrien is a certified Physician Assistant practicing in Greenbrae, CA. With approximately 32 years of clinical experience since completing medical education in 1994, Douglas Obrien delivers high-quality medical care to the local community at 250 BON AIR RD.

Douglas Obrien is affiliated with Skilled Biologics Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent nursing facility care with high level of medical decision making, per day, if using time, at least, removal of muscle and/or tissue, 20.0 sq cm or less, subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

250 Bon Air Rd

Greenbrae, CA 949041702

Telephone 4159257000

Associated Practice Facility / Clinic

🏢 Marin Community Clinic Facility NPI 1124021738

Medicare Profile & Education

Medical School

Other

Graduation Year

1994

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Greenbrae, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

32 Yrs +17.6 yrs vs City Avg

City Avg: 14.4 Yrs

State Avg: 11.5 Yrs

Regional Practice Density

18 Specialists

Practicing in Greenbrae, CA (14617 Statewide)

Telehealth Adoption Rate

33.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

22.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Obrien (32 Years) 32 Yrs

Greenbrae Specialty Average (14.4 Years) 14.4 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	2,001	254	$188.86	$153.89
11043 Removal of muscle and/or tissue, 20.0 sq cm or less	1,606	236	$300.91	$223.23
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	1,177	283	$131.10	$107.87
11044 Removal of bone, 20.0 sq cm or less	617	84	$436.89	$325.89
11046 Removal of muscle and/or tissue, each additional 20.0 sq cm or less	546	65	$95.20	$75.67
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	391	223	$89.71	$74.48
11047 Removal of bone, each additional 20.0 sq cm or less	387	34	$158.52	$127.47
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	192	191	$164.37	$132.96
99306 Initial nursing facility visit, typically 45 minutes per day	76	76	$223.18	$180.79
11042 Removal of skin and tissue, 20.0 sq cm or less	68	44	$167.14	$126.85
17250 Application of chemical to stop tissue regrowth in wound	27	15	$114.85	$84.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare 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	$188.86	$150.25
11043 Removal of muscle and/or tissue, 20.0 sq cm or less	1,020	134	$300.91	$223.36
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	664	209	$48.62	$48.72
11047 Removal of bone, each additional 20.0 sq cm or less	641	24	$158.52	$126.36
11046 Removal of muscle and/or tissue, each additional 20.0 sq cm or less	506	49	$95.20	$75.40
11044 Removal of bone, 20.0 sq cm or less	311	45	$436.89	$321.99
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	200	85	$131.10	$104.62
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	161	157	$164.37	$130.67
11042 Removal of skin and tissue, 20.0 sq cm or less	40	21	$167.14	$131.84
99306 Initial nursing facility visit, typically 45 minutes per day	37	37	$223.18	$176.79
17250 Application of chemical to stop tissue regrowth in wound	33	13	$114.85	$86.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	724	234	$88.06	$67.99
11043 Removal of muscle and/or tissue, 20.0 sq cm or less	711	116	$327.36	$234.33
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	564	102	$174.72	$131.00
11046 Removal of muscle and/or tissue, each additional 20.0 sq cm or less	258	29	$104.56	$78.48
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	256	89	$117.46	$89.56
11044 Removal of bone, 20.0 sq cm or less	216	45	$436.89	$328.69
11047 Removal of bone, each additional 20.0 sq cm or less	195	16	$173.47	$128.58
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	144	144	$166.33	$126.28
11042 Removal of skin and tissue, 20.0 sq cm or less	134	39	$179.40	$130.93
17250 Application of chemical to stop tissue regrowth in wound	70	17	$125.40	$90.75
99304 Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes	34	34	$116.82	$89.14
99306 Initial nursing facility visit, typically 45 minutes per day	33	33	$215.46	$161.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
11043 Removal of muscle and/or tissue, 20.0 sq cm or less	538	124	$327.86	$232.06
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	460	170	$89.99	$68.27
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	296	130	$56.88	$43.09
99304 Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes	200	199	$116.82	$87.71
11044 Removal of bone, 20.0 sq cm or less	186	43	$436.60	$326.95
11046 Removal of muscle and/or tissue, each additional 20.0 sq cm or less	158	31	$104.31	$77.95
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	134	48	$117.47	$89.14
11047 Removal of bone, each additional 20.0 sq cm or less	111	16	$174.30	$129.20
11042 Removal of skin and tissue, 20.0 sq cm or less	59	35	$179.14	$131.82
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	43	42	$166.45	$126.30
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	36	28	$173.47	$132.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
11043 Removal of muscle and/or tissue, 20.0 sq cm or less	1,489	333	$311.08	$221.64
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	705	274	$173.46	$127.03
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	555	282	$117.38	$88.28
11046 Removal of muscle and/or tissue, each additional 20.0 sq cm or less	349	57	$85.62	$75.42
11044 Removal of bone, 20.0 sq cm or less	297	70	$427.05	$313.59
99306 Initial nursing facility visit, typically 45 minutes per day	240	237	$214.93	$162.94
11047 Removal of bone, each additional 20.0 sq cm or less	223	25	$172.34	$127.47
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	212	145	$89.44	$66.75
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	112	72	$56.13	$40.71
11042 Removal of skin and tissue, 20.0 sq cm or less	60	50	$166.58	$110.52
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	26	26	$165.91	$125.95
99304 Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes	25	25	$116.82	$88.45

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
11043 Removal of muscle and/or tissue, 20.0 sq cm or less	2,171	391	$304.52	$212.43
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	443	209	$56.60	$40.51
11044 Removal of bone, 20.0 sq cm or less	401	99	$411.94	$293.23
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	355	354	$173.89	$123.31
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	288	76	$117.23	$84.17
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	203	89	$88.98	$63.42
11046 Removal of muscle and/or tissue, each additional 20.0 sq cm or less	186	40	$93.62	$66.62
11047 Removal of bone, each additional 20.0 sq cm or less	73	14	$157.30	$112.53
11042 Removal of skin and tissue, 20.0 sq cm or less	49	43	$163.07	$109.32
17250 Application of chemical to stop tissue regrowth in wound	38	12	$113.95	$80.62

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
11043 Removal of muscle and/or tissue, 20.0 sq cm or less	2,115	340	$304.52	$206.90
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	330	167	$57.14	$40.08
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	326	324	$173.89	$121.63
11044 Removal of bone, 20.0 sq cm or less	266	63	$411.94	$285.63
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	223	75	$88.98	$61.94
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	201	52	$117.23	$81.56
11042 Removal of skin and tissue, 20.0 sq cm or less	63	56	$163.07	$98.00
11046 Removal of muscle and/or tissue, each additional 20.0 sq cm or less	46	27	$93.62	$64.15
11047 Removal of bone, each additional 20.0 sq cm or less	41	11	$157.30	$109.44
17250 Application of chemical to stop tissue regrowth in wound	17	13	$113.95	$62.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
11043 Removal of muscle and/or tissue, 20.0 sq cm or less	1,668	296	$304.21	$206.32
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	283	282	$172.77	$120.99
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	252	131	$57.14	$40.03
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	236	53	$116.83	$81.99
11044 Removal of bone, 20.0 sq cm or less	205	49	$411.94	$285.68
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	164	58	$88.47	$61.86
11046 Removal of muscle and/or tissue, each additional 20.0 sq cm or less	101	31	$93.62	$65.75
11042 Removal of skin and tissue, 20.0 sq cm or less	72	57	$162.90	$97.19
11047 Removal of bone, each additional 20.0 sq cm or less	36	11	$157.30	$110.42
17250 Application of chemical to stop tissue regrowth in wound	18	12	$113.23	$64.39

Medical Specialties & State Licenses

CMS Verified: 2021-03-03

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License CA PA13578

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Skilled Biologics Inc

None, Egg Harbor Township, NJ 08234

Phone: 3104455999

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Diana Diaz , CNM

Advanced Practice Midwife

NPI 1033097555

Certified Nurse Midwife

Dr. Arthur Cohn , MD

Emergency Medicine

NPI 1033137831

Doctor of Medicine (M.D.)

Eugene Malmquist , RPH

Pharmacist

NPI 1053984666

Registered Pharmacist

Jeffrey Weitzman

Emergency Medicine

NPI 1063434348

Dr. Mather Neill , MD

Emergency Medicine

NPI 1073612537

Doctor of Medicine (M.D.)

Caroline Kent

Social Worker - Clinical

NPI 1093323669

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Business Mailing Address March 03, 2021

Registered at 3746 FOOTHILL BLVD # B140, GLENDALE, CA 912141740 (Tel: 3104455999)

👤

Provider Name / Credentials Updated March 03, 2021

Recorded as DOUGLAS OBRIEN

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 250 BON AIR RD, GREENBRAE, CA 949041702 (Tel: 4159257000)

📍

Updated Business Mailing Address July 08, 2007

Registered at 2100 POWELL ST, EMERYVILLE, CA 946081826 (Tel: 5103502600)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as DOUGLAS O'BRIEN

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Physician Assistant (License #PA13578 in CA)

🟢

Initial NPI Registration & Enumeration July 19, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1235158239

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 19, 2006

Last Update: March 03, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3746 Foothill Blvd # B140

Glendale, CA 912141740

Phone: 3104455999

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.