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

Dr. Jennifer T Chang, MD

Individual provider Internal Medicine Physician · NPI 1598090441

Dr. Jennifer T Chang, MD is a Gastroenterology in San Francisco, California. Graduated from Columbia University College of Physicians and Surgeons in 2008, 18 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California and New York.

Years since qualifying
18
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
CA, NY
In the registry since
2009
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

513 Parnassus Ave # 357
San Francisco, CA 94143-0538
Phone: (415) 476-2777
Fax: (415) 476-0659
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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 A111788 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 260153 (NY)

Record details

NPI number1598090441
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 9, 2009
Last updated in NPPESFebruary 11, 2022

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2008 (18 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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