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

Stephen J Sommer MD a Professional Corporation

Organization Family Medicine Physician · NPI 1053478255

Stephen J Sommer MD a Professional Corporation is a Family Medicine Physician in Oakland, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007

Practice location Address checks out

4333 Piedmont Ave
Oakland, CA 94611-4715
Phone: (510) 654-2494
Fax: (510) 654-2464
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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 C31412 (CA)

Record details

NPI number1053478255
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Stephen Sommer — President · (510) 654-2494
NPI enumeratedJanuary 3, 2007
Last updated in NPPESJanuary 26, 2009
Mailing address4333 Piedmont Ave, Oakland, CA 94611-4715

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