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ELENA DEL ROSARIO ORTIZ ALMAGUER
NPI 1457764151
Social Worker in San Mateo, CA

Active since June 10, 2014
650 N DELAWARE ST, SAN MATEO, CA 94401(650) 558-2380 Get Directions Write a Review

NPPES record last updated: December 1, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 1, 2025, Nov 14, 2025 (2 updates tracked since 2025).

About Elena Del Rosario Ortiz Almaguer NPPES

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

ELENA DEL ROSARIO ORTIZ ALMAGUER (NPI 1457764151) is an individual social worker in San Mateo, California, licensed in California (105936) and active in the NPI registry since June 2014.

NPPES Registry Identity

NPI1457764151
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameELENA DEL ROSARIO ORTIZ ALMAGUER
Location Address650 N DELAWARE STSan Mateo, CA 94401-1732
Mailing Address650 N Delaware StSan Mateo, CA 94401-1732 · (650) 558-2380
Phone(650) 558-2380
Sole ProprietorYes
Enumeration DateJune 10, 2014
Last NPPES UpdateDecember 1, 20252 updates tracked since enumeration
NPPES CertifiedDecember 1, 2025
✔ NPI 1457764151 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 · 105936
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.
650 N DELAWARE ST, San Mateo, CA 94401
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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.

MS. LUZ DENISE GOVEA M.A.
Marriage & Family Therapist
650 N DELAWARE ST
SAN MATEO, CA 94401
San Mateo County (650) 558-2776
MAXWELL E BERNSTEIN LMFT
Marriage & Family Therapist
650 N DELAWARE ST
SAN MATEO, CA 94401
San Mateo County (650) 558-2977
ROXANA DENISE MORALES MS, AMFT
Marriage & Family Therapist
650 N DELAWARE ST
SAN MATEO, CA 94401
San Mateo County (650) 558-2299
SAN MATEO UNION HIGH SCHOOL DISTRICT
Marriage & Family Therapist
650 N DELAWARE ST
SAN MATEO, CA 94401
San Mateo County (650) 558-2399
DR. LENIS COLTON BROWN LEP
Psychologist
650 N DELAWARE ST
SAN MATEO, CA 94401
San Mateo County (559) 305-2355
LISA LAUX
Counselor (School)
650 N DELAWARE ST
SAN MATEO, CA 94401
San Mateo County (650) 558-2280
MS. CELINE LOVELACE M. ED.
Psychologist
650 N DELAWARE ST
SAN MATEO, CA 94401
San Mateo County (650) 558-2779
LISA MICHELLE MEJIA-SANDOVAL PPS
Social Worker (School)
650 N DELAWARE ST
SAN MATEO, CA 94401
San Mateo County (650) 558-2299

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 Elena Del Rosario Ortiz Almaguer's NPI number?

The NPI number for Elena Del Rosario Ortiz Almaguer is 1457764151. It was assigned to this individual provider in the NPPES registry on June 10, 2014.

Where is Elena Del Rosario Ortiz Almaguer located?

Elena Del Rosario Ortiz Almaguer practices at 650 N Delaware St, San Mateo, CA 94401. The listed phone number is (650) 558-2380.

What is Elena Del Rosario Ortiz Almaguer'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 Elena Del Rosario Ortiz Almaguer was last updated on December 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.