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

Individual provider Specialist · NPI 1932292315

Frank S Tzeng, MD is an Endocrinology in Concord, California. Graduated from New York Medical College in 1978, 48 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
48
Trained at
New York Medical College
Licensed in
CA
In the registry since
2006
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

2485 High School Ave Ste 204
Concord, CA 94520-1817
Phone: (925) 676-1995
Fax: (925) 676-0168
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence A48433 (CA)

Record details

NPI number1932292315
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 30, 2006
Last updated in NPPESJuly 8, 2007
Mailing address2485 High School Ave Ste 204, Concord, CA 94520-1817

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1978 (48 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Concord