MERCEDES GUTIERREZ MSW, ASW # 109251
NPI 1508597857
Social Worker in San Mateo, CA

Q: What is Mercedes Gutierrez's NPI number?

The NPI number for Mercedes Gutierrez is 1508597857. It was assigned to this individual provider in the NPPES registry on June 17, 2022. The provider is also known as Mercedes Ceron Tapia.

Q: What is Mercedes Gutierrez's specialty?

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

Active since June 17, 2022

PO BOX 5103, SAN MATEO, CA 94402(650) 288-0094 Get Directions Write a Review

NPPES record last updated: June 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 12, 2025, Oct 14, 2022 (2 updates tracked since 2022).

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About Mercedes Gutierrez Msw, Asw # 109251 NPPES

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

MERCEDES GUTIERREZ MSW, ASW # 109251 (NPI 1508597857) is an individual social worker in San Mateo, California and active in the NPI registry since June 2022.

NPPES Registry Identity

NPI1508597857

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameMERCEDES GUTIERREZCredential: MSW, ASW # 109251

Location AddressPO BOX 5103San Mateo, CA 94402-0103

Mailing Address1410 Marshall StRedwood City, CA 94063-2503

Phone(650) 288-0094

Sole ProprietorYes

Enumeration DateJune 17, 2022

Last NPPES UpdateJune 12, 20252 updates tracked since enumeration

NPPES CertifiedJune 12, 2025

✔ NPI 1508597857 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

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.

PO BOX 5103, San Mateo, CA 94402

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Other Names 1

Former Name (1)Mercedes Ceron Tapia

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 Mercedes Gutierrez's NPI number?

The NPI number for Mercedes Gutierrez is 1508597857. It was assigned to this individual provider in the NPPES registry on June 17, 2022. The provider is also known as Mercedes Ceron Tapia.

Where is Mercedes Gutierrez located?

Mercedes Gutierrez practices at PO Box 5103, San Mateo, CA 94402. The listed phone number is (650) 288-0094.

What is Mercedes Gutierrez'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 Mercedes Gutierrez was last updated on June 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.