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MARIO ERNESTO LEIVA ASW
NPI 1629302203
Social Worker in San Francisco, CA

Active since September 29, 2009
2712 MISSION ST, SAN FRANCISCO, CA 94110(415) 401-2733 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Mario Ernesto Leiva Asw NPPES

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

MARIO ERNESTO LEIVA ASW (NPI 1629302203) is an individual social worker in San Francisco, California, licensed in California (29854) and active in the NPI registry since September 2009.

NPPES Registry Identity

NPI1629302203
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameMARIO ERNESTO LEIVACredential: ASW
Location Address2712 MISSION STSan Francisco, CA 94110-3104
Mailing Address2712 Mission StSan Francisco, CA 94110-3104 · (628) 754-8838
Phone(415) 401-2733
Sole ProprietorYes
Enumeration DateSeptember 29, 2009
Last NPPES UpdateMay 8, 2025
NPPES CertifiedMay 8, 2025
✔ NPI 1629302203 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in CA · 29854
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
2712 MISSION ST, San Francisco, CA 94110
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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.

JUAN ALBERTO TAM
Counselor (Mental Health)
2712 MISSION ST
SAN FRANCISCO, CA 94110
San Francisco County (415) 401-2623
LAUREN ROBINSON M.A.
Student in an Organized Health Care Education/Training Program
2712 MISSION ST
SAN FRANCISCO, CA 94110
San Francisco County (415) 401-2700
DR. RITA ELENA MORALES-WANG M.D.
Psychiatry & Neurology (Psychiatry)
2712 MISSION ST
SAN FRANCISCO, CA 94110
San Francisco County (415) 401-2712
MELISSA JEAN ANDERSON
Case Manager/Care Coordinator
2712 MISSION ST
SAN FRANCISCO, CA 94110
San Francisco County (415) 720-6053
MARIA I GONZALEZ RN
Registered Nurse
2712 MISSION ST
SAN FRANCISCO, CA 94110
San Francisco County (415) 401-2700
MARIA M ROJAS
Day Training/Habilitation Specialist
2712 MISSION ST
SAN FRANCISCO, CA 94110
San Francisco County (415) 401-2700
WALTER GOMEZ JR.
Student in an Organized Health Care Education/Training Program
2712 MISSION ST
SAN FRANCISCO, CA 94110
San Francisco County (415) 401-2700
JULIET DIZON VALERIO LCSW
Social Worker (Clinical)
2712 MISSION ST
SAN FRANCISCO, CA 94110
San Francisco County (415) 401-2750

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 Mario Leiva's NPI number?

The NPI number for Mario Leiva is 1629302203. It was assigned to this individual provider in the NPPES registry on September 29, 2009.

Where is Mario Leiva located?

Mario Leiva practices at 2712 Mission St, San Francisco, CA 94110. The listed phone number is (415) 401-2733.

What is Mario Leiva's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Mario Leiva was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.