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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

STANLEY ANDREW TAN, MD

Active Sole Proprietor

STANLEY ANDREW TAN, MD is a Endocrinology, Diabetes & Metabolism healthcare provider located in CASTRO VALLEY, California. NPI 1396747721 is currently active in the NPPES registry. Verify at CMS.

Endocrinology, Diabetes & Metabolism · CASTRO VALLEY, CA

Registration Details

NPI Number
1396747721
Provider Type
Individual
Gender
Male
NPI Issued
Aug 15, 2005 (21.014121218743 yrs)
Last Updated
Oct 8, 2025
Licenses
G23082 (CA)
G23082 (CA)
2003-00713 (NC)
ME94328 (FL)
Sole Proprietor
Yes

Practice Information

Address
20642 JOHN DR
CASTRO VALLEY, CA, 945465103
Browse CA providers · Browse ZIP 94546
Phone
5107855000
Primary Specialty
Endocrinology, Diabetes & Metabolism
207RE0101X
Additional Specialty
Internal Medicine

Other Endocrinology, Diabetes & Metabolism Providers in CASTRO VALLEY, CA

Name Credential NPI
MARCIA C PECK MD 1376569475
AMER A. BUDAYR MD 1700958451
DR. NALURPORN CHOKRUNGVARANON M.D. 1922209436
FARNOOSH FARROKHI 1467618454
JENNIFER CASEY 1750524575
SUSANA INES SMITH HARBUTT M.D. 1588007678
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.