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

John R. Rostkowski, MD PC

Organization Psychoanalyst · NPI 1376811596

John R. Rostkowski, MD PC is a Psychoanalyst in Walnut Creek, California. Licensed in California. Registered with an NPI since 2011.

Licensed in
CA
In the registry since
2011
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

130 La Casa Via Ste 213
Walnut Creek, CA 94598-3078
Phone: (925) 938-1991
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychoanalyst (primary) Taxonomy 102L00000X · Licence G24111 (CA)

Record details

NPI number1376811596
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Rostkowski — President · (925) 938-1991
NPI enumeratedDecember 2, 2011
Last updated in NPPESDecember 2, 2011
Mailing address130 La Casa Via Ste 213, Walnut Creek, CA 94598-3078

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