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

Dr. Martin S Liberman, MD

Individual provider Gastroenterology Physician · NPI 1376530006

Dr. Martin S Liberman, MD is an Internal Medicine in San Francisco, California. Graduated from State University of New York at Buffalo School of Medicine in 1967, 59 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
59
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
CA
In the registry since
2005
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

1661 Pine Street San Francisco Towers Outpatient Clinic
San Francisco, CA 94109-0401
Phone: (415) 447-5571
Fax: (415) 447-5575
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G26857 (CA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence G26857 (CA)

Record details

NPI number1376530006
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 27, 2005
Last updated in NPPESDecember 21, 2017

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGASTROENTEROLOGY
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 1967 (59 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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