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

John Kosim

Individual provider Counselor · NPI 1538348099

John Kosim is a Counselor in San Francisco, California. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

887 Potrero Ave
San Francisco, CA 94110-2869
Phone: (510) 317-1437
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X

Record details

NPI number1538348099
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedOctober 31, 2007
Last updated in NPPESOctober 31, 2007

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