Joel Ou, MD
Student in an Organized Health Care Education/Training Program · San Francisco, CA
Joel Ou, MD is a student in an organized health care education/training program with a practice address in San Francisco, California, and NPI 1992937775, issued on Aug 12, 2009. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joel Ou
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 521 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 476-2131
- Enumerated
- Aug 12, 2009
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141203000152); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2009
- 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 521 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joel Ou 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
Bills Medicare through one group practice
- Permanente Medical Group IncSan Leandro, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joel Ou among 40,652 student in an organized health care education/training program records in California
Joel Ou, MD 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 2009, is newer than 2% of them.
- NPI issued2009 · 2% of these records are older, 97% 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 updated2021 · 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
- Andrew Bellinger, M.D., PH.D.San Francisco, CA 941431831327402
- Molly Burnett, MDSan Francisco, CA 941431619107638
- Sheila Chan, M.D.San Francisco, CA 941431487895793
- Fred Chen, M.D.San Francisco, CA 941431932390325
- Jeffrey Ghassemi, M.D., M.P.H.San Francisco, CA 941431972746253
- Vasantha Jotwani, M.D.San Francisco, CA 941431043448996
- Vy-Van Le, MDSan Francisco, CA 941431265661136
- Katherine Naidu, M.D.San Francisco, CA 941431265668115
Common questions
What is Joel Ou, MD's NPI number?
Joel Ou, MD's National Provider Identifier (NPI) is 1992937775, issued on Aug 12, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Joel Ou, MD located?
The NPPES record lists a practice address at 521 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 476-2131. Providers update this record themselves, so call before visiting.
How can I verify Joel Ou, MD's license?
Search the California board that licenses this profession; the NPPES record confirms identity 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.