Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

John R Chamberlain, MD

Individual provider Forensic Psychiatry Physician · NPI 1114036480

John R Chamberlain, MD is a Psychiatry in San Francisco, California. Graduated from University of California, San Diego School of Medicine in 1995, 31 years ago. Practices with University of California San Francisco, a 1,793-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
31
Trained at
University of California, San Diego School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

401 Parnassus Ave Box Adm
San Francisco, CA 94143-2211
Phone: (415) 476-7456
Fax: (415) 502-2206
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Forensic Psychiatry Physician (primary) Taxonomy 2084F0202X · Licence A065086 (CA)
Psychiatry Physician Taxonomy 2084P0800X · Licence A065086 (CA)

Record details

NPI number1114036480
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESApril 22, 2008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice University Of California San Francisco — 1793 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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