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

Mark Maxwell Keller, MFT

Individual provider Marriage & Family Therapist · NPI 1811257884

Mark Maxwell Keller, MFT is a Marriage & Family Therapist in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2012
What do these letters mean?
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

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Practice location Address checks out

211 Gough St
San Francisco, CA 94102-5946
Phone: (415) 894-5759
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence MFC47750 (CA)

Record details

NPI number1811257884
Entity typeIndividual (Type 1)
GenderMale
Credentials MFT
Sole proprietorYes
NPI enumeratedMay 23, 2012
Last updated in NPPESJanuary 9, 2026
Certification dateJanuary 9, 2026

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