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

MARY MARGARETT VALERIO
NPI 1598505141
Social Worker in San Francisco, CA

Active since May 30, 2024
1663 MISSION ST STE 604, SAN FRANCISCO, CA 94103(415) 474-7310 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 22, 2026, May 19, 2025 (2 updates tracked since 2025).

About Mary Margarett Valerio NPPES

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

MARY MARGARETT VALERIO (NPI 1598505141) is an individual social worker in San Francisco, California, licensed in California (ASW138237) and active in the NPI registry since May 2024. She maintains a secondary practice location in San Carlos.

NPPES Registry Identity

NPI1598505141
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMARY MARGARETT VALERIO
Location Address1663 MISSION ST STE 604San Francisco, CA 94103-2473
Mailing Address1663 Mission St Ste 604San Francisco, CA 94103-2473 · (415) 474-7310
Sole ProprietorNo
Enumeration DateMay 30, 2024
Last NPPES UpdateSeptember 22, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1598505141 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in CA · ASW138237
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.
Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
1663 MISSION ST STE 604, San Francisco, CA 94103

Secondary Practice Location 1

Location 11692 El Camino RealSan Carlos, CA 94070-5208 · Phone (650) 464-3043

Other Providers at the Same Location NPPES 14

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

Student in an Organized Health Care Education/Training Program
1663 MISSION ST STE 604
SAN FRANCISCO, CA 94103
Marriage & Family Therapist
1663 MISSION ST STE 604
SAN FRANCISCO, CA 94103
Social Worker
1663 MISSION ST STE 604
SAN FRANCISCO, CA 94103
Marriage & Family Therapist
1663 MISSION ST STE 604
SAN FRANCISCO, CA 94103
Community/Behavioral Health
1663 MISSION ST STE 604
SAN FRANCISCO, CA 94103
Marriage & Family Therapist
1663 MISSION ST STE 604
SAN FRANCISCO, CA 94103
Marriage & Family Therapist
1663 MISSION ST STE 604
SAN FRANCISCO, CA 94103
Specialist
1663 MISSION ST STE 604
SAN FRANCISCO, CA 94103

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 Mary Valerio's NPI number?

The NPI number for Mary Valerio is 1598505141. It was assigned to this individual provider in the NPPES registry on May 30, 2024.

Where is Mary Valerio located?

Mary Valerio practices at 1663 Mission St Ste 604, San Francisco, CA 94103. The listed phone number is (415) 474-7310.

What is Mary Valerio'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 Mary Valerio was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.