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

MS. OSUN YOO MA, LMFT
NPI 1366621013
Marriage & Family Therapist in San Ramon, CA

Active since October 30, 2007
9260 ALCOSTA BLVD STE A5, SAN RAMON, CA 94583(408) 597-4847 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Osun Yoo Ma, Lmft NPPES

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

MS. OSUN YOO MA, LMFT (NPI 1366621013) is an individual marriage & family therapist in San Ramon, California and active in the NPI registry since October 2007.

NPPES Registry Identity

NPI1366621013
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMS. OSUN YOOCredential: MA, LMFT
Location Address9260 ALCOSTA BLVD STE A5San Ramon, CA 94583-4132
Mailing Address9260 Alcosta Blvd Ste A5San Ramon, CA 94583-4132 · (415) 529-3644
Phone(408) 597-4847
Sole ProprietorYes
Enumeration DateOctober 30, 2007
Last NPPES UpdateJuly 2, 2026
NPPES CertifiedJuly 2, 2026
✔ NPI 1366621013 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.
9260 ALCOSTA BLVD STE A5, San Ramon, CA 94583
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Other Providers at the Same Location NPPES 7

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

MRS. LIZ CAMARENA-WEST MSCP, LMFT
Marriage & Family Therapist
9260 ALCOSTA BLVD STE A5
SAN RAMON, CA 94583
Contra Costa County (650) 762-6062
HONOR YOUR EMOTIONS INC
Clinic/Center (Community Health)
9260 ALCOSTA BLVD STE A5
SAN RAMON, CA 94583
Contra Costa County (925) 577-4732
LILY VO
Counselor (Mental Health)
9260 ALCOSTA BLVD STE A5
SAN RAMON, CA 94583
Contra Costa County (925) 577-4732
PEAK MENTAL HEALTH - LICENSED CLINICAL SOCIAL WORKER PC
Clinic/Center (Mental Health (Including Community Mental Health Center))
9260 ALCOSTA BLVD STE A5
SAN RAMON, CA 94583
Contra Costa County (415) 513-4353
VERONICA L GONZALEZ
Social Worker (Clinical)
9260 ALCOSTA BLVD STE A5
SAN RAMON, CA 94583
Contra Costa County (925) 577-4732
CARLA SOTOMAYOR LMFT
Marriage & Family Therapist
9260 ALCOSTA BLVD STE A5
SAN RAMON, CA 94583
Contra Costa County (949) 447-0599
MRS. TANGIA HARDY LCSW
Social Worker (Clinical)
9260 ALCOSTA BLVD STE A5
SAN RAMON, CA 94583
Contra Costa County (925) 577-4732

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 Osun Yoo's NPI number?

The NPI number for Osun Yoo is 1366621013. It was assigned to this individual provider in the NPPES registry on October 30, 2007.

Where is Osun Yoo located?

Osun Yoo practices at 9260 Alcosta Blvd Ste A5, San Ramon, CA 94583. The listed phone number is (408) 597-4847.

What is Osun Yoo'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 Osun Yoo was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 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.