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

Benjamin Wolsztejn, MD Inc

Organization Obstetrics & Gynecology Physician · NPI 1316959299

Benjamin Wolsztejn, MD Inc is an Obstetrics & Gynecology Physician in Castro Valley, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
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

20130 Lake Chabot Rd Ste 306
Castro Valley, CA 94546-5340
Phone: (510) 581-7666
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence A24169 (CA)

Record details

NPI number1316959299
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Benjamin Wolsztejn — President · (510) 581-7666
NPI enumeratedAugust 12, 2006
Last updated in NPPESJuly 11, 2007
Mailing address20130 Lake Chabot Rd, Suite 306, Castro Valley, CA 94546-5340

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