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

DR. JOANNA R FASSL LMFT
NPI 1417237132
Marriage & Family Therapist in San Francisco, CA

Q: What is Joanna Fassl's NPI number?

The NPI number for Joanna Fassl is 1417237132. It was assigned to this individual provider in the NPPES registry on August 25, 2011.

Q: What is Joanna Fassl'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 Joanna Fassl was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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 August 25, 2011

557 WALLER ST, SAN FRANCISCO, CA 94117(415) 350-7645 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

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About Dr. Joanna R Fassl Lmft NPPES

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

DR. JOANNA R FASSL LMFT (NPI 1417237132) is an individual marriage & family therapist in San Francisco, California, licensed in California (139466) and active in the NPI registry since August 2011.

NPPES Registry Identity

NPI1417237132

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameDR. JOANNA R FASSLCredential: LMFT

Location Address557 WALLER STSan Francisco, CA 94117-3330

Mailing Address557 Waller StSan Francisco, CA 94117-3330 · (415) 350-7645

Phone(415) 350-7645

Sole ProprietorYes

Enumeration DateAugust 25, 2011

Last NPPES UpdateSeptember 9, 2026

NPPES CertifiedSeptember 9, 2026

✔ NPI 1417237132 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers

Taxonomy Code106H00000X

License✔ Licensed in CA · 139466

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.

Also ListedChiropractorTaxonomy 111N00000X · License 31991 (CA)

557 WALLER ST, San Francisco, CA 94117

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Other Providers at the Same Location NPPES 6

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

DR. GABRIELLA COLE DC

Chiropractor