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

George D Cowen, MD Professional Corp

Organization Internal Medicine Physician · NPI 1083891212

George D Cowen, MD Professional Corp is an Internal Medicine Physician in Castro Valley, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008
What do these letters mean?
Corp — Corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

19845 Lake Chabot Rd Ste 211
Castro Valley, CA 94546-4055
Phone: (510) 582-6966
Fax: (510) 582-5632
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G23713 (CA)

Record details

NPI number1083891212
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official George Cowen — Owner · (510) 582-6966
NPI enumeratedJanuary 30, 2008
Last updated in NPPESJanuary 30, 2008
Mailing address19845 Lake Chabot Rd, Suite 211, Castro Valley, CA 94546-4055

Other providers in Castro Valley