Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEPHEN GUNDLACH LMFT
NPI 1851164388
Marriage & Family Therapist in San Francisco, CA

Q: What is Stephen Gundlach's NPI number?

The NPI number for Stephen Gundlach is 1851164388. It was assigned to this individual provider in the NPPES registry on November 6, 2023.

Q: What is Stephen Gundlach's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Stephen Gundlach was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 06, 2023

423 GOUGH ST, SAN FRANCISCO, CA 94102(415) 766-0276 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 28, 2026, Nov 6, 2023 (2 updates tracked since 2023).

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About Stephen Gundlach Lmft NPPES

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

STEPHEN GUNDLACH LMFT (NPI 1851164388) is an individual marriage & family therapist in San Francisco, California and active in the NPI registry since November 2023.

NPPES Registry Identity

NPI1851164388

Entity TypeIndividualMale

Primary Taxonomy106H00000X

Provider Legal NameSTEPHEN GUNDLACHCredential: LMFT

Location Address423 GOUGH STSan Francisco, CA 94102-4415

Mailing Address423 Gough StSan Francisco, CA 94102-4415 · (239) 595-4023

Phone(415) 766-0276

Sole ProprietorNo

Enumeration DateNovember 6, 2023

Last NPPES UpdateSeptember 28, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 28, 2026

✔ NPI 1851164388 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

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.

423 GOUGH ST, San Francisco, CA 94102

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Other Providers at the Same Location NPPES 16

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

MS. JEAN GORDON LITTLE LCSW

Social Worker (Clinical)

423 GOUGH ST, SUITE E
SAN FRANCISCO, CA 94102

San Francisco County (415) 431-9848

CITY & COUNTY OF SAN FRANCISCO

Clinic/Center (Methadone)

423 GOUGH ST, HARM REDUCTION THERAPY CENTER
SAN FRANCISCO, CA 94102

San Francisco County (415) 863-4282

ELIZABETH PACE LMFT, LPCC

Marriage & Family Therapist

423 GOUGH ST
SAN FRANCISCO, CA 94102

San Francisco County (415) 562-6424

MS. HEATHER AYERS-CLUFF LCSW

Social Worker (Clinical)

423 GOUGH ST
SAN FRANCISCO, CA 94102

San Francisco County (415) 320-8590

MS. BRENDA JEANNE COURTNEY MFT

Marriage & Family Therapist

423 GOUGH ST
SAN FRANCISCO, CA 94102

San Francisco County (510) 527-5662

DR. PATRICIA ANN DENNING PHD

Psychologist (Addiction (Substance Use Disorder))

423 GOUGH ST, SUITE C
SAN FRANCISCO, CA 94102

San Francisco County (415) 252-0669

ELIZABETH KITA PHD, LCSW

Social Worker (Clinical)

423 GOUGH ST
SAN FRANCISCO, CA 94102

San Francisco County (415) 377-0345

MR. ALEX MARK SILBERSTEIN MFT

Marriage & Family Therapist

423 GOUGH ST
SAN FRANCISCO, CA 94102

San Francisco County (415) 646-0421

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 Stephen Gundlach's NPI number?

The NPI number for Stephen Gundlach is 1851164388. It was assigned to this individual provider in the NPPES registry on November 6, 2023.

Where is Stephen Gundlach located?

Stephen Gundlach practices at 423 Gough St, San Francisco, CA 94102. The listed phone number is (415) 766-0276.

What is Stephen Gundlach'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 Stephen Gundlach was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.