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

Joyce Maria Tang, MD

Individual provider Family Medicine Physician · NPI 1689903171

Joyce Maria Tang, MD is a Family Practice in Martinez, California. Graduated from Stanford University School of Medicine in 1998, 28 years ago. Practices as a sole proprietor. Licensed in California.

Years since qualifying
28
Trained at
Stanford University School of Medicine
Licensed in
CA
In the registry since
2009
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

2500 Alhambra Ave
Martinez, CA 94553-3156
Phone: (925) 370-5110
Fax: (925) 370-5142
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A72663 (CA)

Record details

NPI number1689903171
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 14, 2009
Last updated in NPPESDecember 14, 2009

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolSTANFORD UNIVERSITY SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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