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

John Grossberg, PHDMFT

Individual provider Marriage & Family Therapist · NPI 1396908661

John Grossberg, PHDMFT is a Marriage & Family Therapist in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008

Practice location Address checks out

4112 24th St
San Francisco, CA 94114-3615
Phone: (415) 970-1020
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence MFC34782 (CA)

Record details

NPI number1396908661
Entity typeIndividual (Type 1)
GenderMale
Credentials PHDMFT
Sole proprietorYes
NPI enumeratedJuly 8, 2008
Last updated in NPPESFebruary 24, 2009

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