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

TANSY STARK LMFT
NPI 1790393668
Marriage & Family Therapist in San Leandro, CA

Q: What is Tansy Stark's NPI number?

The NPI number for Tansy Stark is 1790393668. It was assigned to this individual provider in the NPPES registry on July 16, 2020.

Q: What is Tansy Stark'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 Tansy Stark was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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 July 16, 2020

PO BOX 3311, SAN LEANDRO, CA 94578(669) 247-7222 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 19, 2026, Jul 17, 2026, Sep 20, 2024 and 3 more (6 updates tracked since 2020).

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About Tansy Stark Lmft NPPES

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

TANSY STARK LMFT (NPI 1790393668) is an individual marriage & family therapist in San Leandro, California, licensed in California (146901) and active in the NPI registry since July 2020.

NPPES Registry Identity

NPI1790393668

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameTANSY STARKCredential: LMFT

Location AddressPO BOX 3311San Leandro, CA 94578-0311

Mailing AddressPo Box 3311San Leandro, CA 94578-0311 · (669) 247-7222

Phone(669) 247-7222

Sole ProprietorNo

Enumeration DateJuly 16, 2020

Last NPPES UpdateAugust 19, 20266 updates tracked since enumeration

NPPES CertifiedAugust 19, 2026

✔ NPI 1790393668 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 · 146901

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.

PO BOX 3311, San Leandro, CA 94578

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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 Tansy Stark's NPI number?

The NPI number for Tansy Stark is 1790393668. It was assigned to this individual provider in the NPPES registry on July 16, 2020.

Where is Tansy Stark located?

Tansy Stark practices at PO Box 3311, San Leandro, CA 94578. The listed phone number is (669) 247-7222.

What is Tansy Stark'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 Tansy Stark was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.