Brian D. O'Donnell, PA
Physician Assistant · San Francisco, CA
Brian D. O'Donnell, PA is a physician assistant with a practice address in San Francisco, California, and NPI 1790740900, issued on Apr 19, 2006. Check the license (California 51380, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brian D. O'Donnell
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 51380 CA
988 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1285 4TH St, San Francisco, CA 94158
- Phone
- (888) 663-6331
- Enumerated
- Apr 19, 2006
- Record last updated
- May 19, 2026
- Fax
- (415) 252-7176
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1285 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Madeline Bell, MDFamily Medicine Physician1912526724
- Veronica Jow, M.D.Sports Medicine (Internal Medicine) Physician1053597005
- Lillian Khan, MSN RN FNP-CNurse Practitioner1285391185
- Caroline Riddle, MDFamily Medicine Physician1205325958
- Gordon Sanford, PA-CPhysician Assistant1801033055
- Pooja UdeshiPhysician Assistant1417838368
Verify Brian D. O'Donnell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 51380Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average physician assistant in 2024
472 Medicare Part D claims for 236 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium39 claims
- Levothyroxine Sodium38 claims
- Rosuvastatin Calcium22 claims
- Amlodipine Besylate19 claims
- Lisinopril19 claims
- Losartan Potassium19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Brian D. O'Donnell among 14,451 physician assistant records in California
Brian D. O'Donnell, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2026 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physician Assistant providers in California
There are 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Francisco → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Angela Clifford, MPA, PA-CSan Francisco, CA 941581538465018
- Jocelyn De Witt, PA-CSan Francisco, CA 941581548394711
- Amber Dhillon, PASan Francisco, CA 941581477010312
- Xin Ding, PA-CSan Francisco, CA 941581134881253
- Ferry FerdiantoSan Francisco, CA 941581740606920
- Madelena Garcia, PA CSan Francisco, CA 941581740485291
- Jennifer King, PA-CSan Francisco, CA 941581205385267
- Kaitlyn Kottman, PA-CSan Francisco, CA 941581144612516
Common questions
What is Brian D. O'Donnell, PA's NPI number?
Brian D. O'Donnell, PA's National Provider Identifier (NPI) is 1790740900, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian D. O'Donnell, PA located?
The NPPES record lists a practice address at 1285 4TH St, San Francisco, CA, 94158. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify Brian D. O'Donnell, PA's license?
NPPES lists California license number 51380, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Brian D. O'Donnell, PA prescribe under Medicare Part D?
In 2024, Brian D. O'Donnell, PA had 472 Medicare Part D claims for 236 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.