ALTHEA MARIE YAP MA, LMFT
NPI 1801218946
Marriage & Family Therapist in San Francisco, CA

Active since January 08, 2014
601 CLEMENT ST, SAN FRANCISCO, CA 94118(415) 668-5955 Get Directions Write a Review

NPPES record last updated: June 17, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 19, 2023, Oct 22, 2018 (2 updates tracked since 2018).

About Althea Marie Yap Ma, Lmft NPPES

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

ALTHEA MARIE YAP MA, LMFT (NPI 1801218946) is an individual marriage & family therapist in San Francisco, California, licensed in California (135005) and active in the NPI registry since January 2014.

NPPES Registry Identity

NPI1801218946
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameALTHEA MARIE YAPCredential: MA, LMFT
Location Address601 CLEMENT STSan Francisco, CA 94118-2206
Mailing Address601 Clement StSan Francisco, CA 94118-2206 · (415) 223-2464
Sole ProprietorNo
Enumeration DateJanuary 8, 2014
Last NPPES UpdateJune 17, 20262 updates tracked since enumeration
NPPES CertifiedJune 17, 2026
NPI 1801218946 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
Licenses Licensed in CA · 135005 Licensed in CA · 110129
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.
601 CLEMENT ST, San Francisco, CA 94118

Accepted Insurance

Other Providers at the Same Location NPPES 20

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

Marriage & Family Therapist
601 CLEMENT ST
SAN FRANCISCO, CA 94118
Rehabilitation Practitioner
601 CLEMENT ST
SAN FRANCISCO, CA 94118
Student in an Organized Health Care Education/Training Program
601 CLEMENT ST
SAN FRANCISCO, CA 94118
Technician, Other
601 CLEMENT ST
SAN FRANCISCO, CA 94118
Student in an Organized Health Care Education/Training Program
601 CLEMENT ST
SAN FRANCISCO, CA 94118
Student in an Organized Health Care Education/Training Program
601 CLEMENT ST
SAN FRANCISCO, CA 94118
Psychologist
601 CLEMENT ST
SAN FRANCISCO, CA 94118
Student in an Organized Health Care Education/Training Program
601 CLEMENT ST
SAN FRANCISCO, CA 94118

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 Althea Marie Yap's NPI number?

The NPI number for Althea Marie Yap is 1801218946. It was assigned to this individual provider in the NPPES registry on January 8, 2014.

Where is Althea Marie Yap located?

Althea Marie Yap practices at 601 Clement St, San Francisco, CA 94118. The listed phone number is (415) 668-5955.

What is Althea Marie Yap's specialty?

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

What insurance does Althea Marie Yap accept?

Health plans from Providence Health Plan list Althea Marie Yap as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Althea Marie Yap was last updated on June 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.