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

Douglas D. Zhang, MD Inc

Organization Family Medicine Physician · NPI 1336215649

Douglas D. Zhang, MD Inc is a Family Medicine Physician in San Leandro, California. Registered with an NPI since 2006.

In the registry since
2006
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

13851 E 14th St Ste 102
San Leandro, CA 94578-2628
Phone: (510) 351-2100
Fax: (510) 357-3389
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X

Record details

NPI number1336215649
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Doreen Fernandez — Business Department · (510) 351-2100
NPI enumeratedNovember 28, 2006
Last updated in NPPESMarch 23, 2011
Mailing address13851 E 14th St Ste 102, San Leandro, CA 94578-2628

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