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MARK MAXWELL KELLER MFT
NPI 1811257884
Marriage & Family Therapist in San Francisco, CA

Active since May 23, 2012
211 GOUGH ST, SAN FRANCISCO, CA 94102(415) 894-5759 Get Directions Write a Review

NPPES record last updated: January 9, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mark Maxwell Keller Mft NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK MAXWELL KELLER MFT (NPI 1811257884) is an individual marriage & family therapist in San Francisco, California, licensed in California (MFC47750) and active in the NPI registry since May 2012.

NPPES Registry Identity

NPI1811257884
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMARK MAXWELL KELLERCredential: MFT
Location Address211 GOUGH STSan Francisco, CA 94102-5946
Mailing Address115 La Perdiz CtSan Rafael, CA 94903-4522 · (415) 894-5759
Phone(415) 894-5759
Sole ProprietorYes
Enumeration DateMay 23, 2012
Last NPPES UpdateJanuary 9, 2026
NPPES CertifiedJanuary 9, 2026
✔ NPI 1811257884 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · MFC47750
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
211 GOUGH ST, San Francisco, CA 94102
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Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMY HANKS, MS, LAC
Clinic/Center
211 GOUGH ST, 204-205
SAN FRANCISCO, CA 94102
San Francisco County (415) 846-4643
GATEWAY PSYCHIATRIC SERVICES
Psychiatry & Neurology (Psychiatry)
211 GOUGH ST, SUITE 211
SAN FRANCISCO, CA 94102
San Francisco County (415) 551-0520
KELSEY SCHRAUFNAGEL PSYD
Psychologist (Clinical)
211 GOUGH ST
SAN FRANCISCO, CA 94102
San Francisco County (415) 551-0520
JUAN CARLOS COLLINS L.AC.
Acupuncturist
211 GOUGH ST, SUITE 204-205
SAN FRANCISCO, CA 94102
San Francisco County (415) 641-1939
EDEN WHITLEY
Counselor (Mental Health)
211 GOUGH ST
SAN FRANCISCO, CA 94102
San Francisco County (415) 890-5245
DR. JENNIFER ARWEN CUMMINGS M.D.
Psychiatry & Neurology (Psychiatry)
211 GOUGH ST, SUITE 103
SAN FRANCISCO, CA 94102
San Francisco County (415) 760-6950
DR. PETER L FORSTER M.D.
Psychiatry & Neurology (Psychiatry)
211 GOUGH ST, SUITE 211
SAN FRANCISCO, CA 94102
San Francisco County (415) 551-0520
DR. STEVEN G. KOHLSTROM PH.D.
Psychologist (Clinical)
211 GOUGH ST, SUITE 103
SAN FRANCISCO, CA 94102
San Francisco County (415) 336-2638

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Keller's NPI number?

The NPI number for Mark Keller is 1811257884. It was assigned to this individual provider in the NPPES registry on May 23, 2012.

Where is Mark Keller located?

Mark Keller practices at 211 Gough St, San Francisco, CA 94102. The listed phone number is (415) 894-5759.

What is Mark Keller's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Mark Keller was last updated on January 9, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.