Brian Farrell, M.D.
Student in an Organized Health Care Education/Training Program · San Francisco, CA
Brian Farrell, M.D. is a student in an organized health care education/training program with a practice address in San Francisco, California, and NPI 1255645123, issued on Aug 3, 2010. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brian Farrell
- Credential
- M.D.
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 450 Stanyan St, San Francisco, CA 94117
- Phone
- (510) 693-1406
- Enumerated
- Aug 3, 2010
- Record last updated
- Feb 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20140903000415); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Also registered at 450 Stanyan St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Andino-Nieves, MDInternal Medicine Physician1639515638
- Allison AngurenStudent in an Organized Health Care Education/Training Program1376121152
- Nadine Antebi, PTNeurology Physical Therapist1962373753
Verify Brian Farrell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
26 Medicare Part D claims for 16 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 19 claims were for opioids.
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.
Industry payments in 2024: $123.54
1 payment: food and beverage; the largest payer was DePuy Synthes Sales Inc. The 13,278 providers of this specialty with any payment received $608.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Permanente Medical Group IncOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Farrell among 40,652 student in an organized health care education/training program records in California
Brian Farrell, M.D. is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 3% of them.
- NPI issued2010 · 3% of these records are older, 96% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileYes · 6% of these records are
- Graduated2009 · median 2017 among the 2,409 with a school on file
- Record last updated2022 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3,035 student in an organized health care education/training program records list a practice address in San Francisco
They are 3,035 of the 38,143 NPPES records with a practice address in San Francisco, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in San Francisco → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Charles BlockSan Francisco, CA 941171437312667
- Graham DanzerSan Francisco, CA 941171215122635
- Keely HallingstadSan Francisco, CA 941171225473457
- Catherine IsidroSan Francisco, CA 941171912191362
- Elizabeth Le, M.D.San Francisco, CA 941171205161379
- Natalie Lundgren, OTSSan Francisco, CA 941171083058119
- John O'Hagan, M.A.San Francisco, CA 941171164717229
- Chelsea OlikerSan Francisco, CA 941171073880258
Common questions
What is Brian Farrell, M.D.'s NPI number?
Brian Farrell, M.D.'s National Provider Identifier (NPI) is 1255645123, issued on Aug 3, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Brian Farrell, M.D. located?
The NPPES record lists a practice address at 450 Stanyan St, San Francisco, CA, 94117. Phone: (510) 693-1406. Providers update this record themselves, so call before visiting.
How can I verify Brian Farrell, M.D.'s license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Brian Farrell, M.D. prescribe under Medicare Part D?
In 2024, Brian Farrell, M.D. had 26 Medicare Part D claims for 16 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.