1. Home
  2. Directory
  3. California
  4. Martinez
  5. Social Worker
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. CLARITZA HLEDYLY MAZARIEGOS DE LEON
NPI 1578110425
Social Worker in Martinez, CA

Active since August 23, 2019
2500 ALHAMBRA AVE, MARTINEZ, CA 94553(925) 370-5000 Get Directions Write a Review

NPPES record last updated: October 21, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 22, 2019, Aug 23, 2019 (2 updates tracked since 2019).

About Ms. Claritza Hledyly Mazariegos De Leon NPPES

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

MS. CLARITZA HLEDYLY MAZARIEGOS DE LEON (NPI 1578110425) is an individual social worker in Martinez, California and active in the NPI registry since August 2019.

NPPES Registry Identity

NPI1578110425
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMS. CLARITZA HLEDYLY MAZARIEGOS DE LEON
Location Address2500 ALHAMBRA AVEMartinez, CA 94553-3156
Mailing Address2500 Alhambra AveMartinez, CA 94553-3156 · (925) 370-5000
Phone(925) 370-5000
Sole ProprietorYes
Enumeration DateAugust 23, 2019
Last NPPES UpdateOctober 21, 20262 updates tracked since enumeration
NPPES CertifiedOctober 21, 2026
✔ NPI 1578110425 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
2500 ALHAMBRA AVE, Martinez, CA 94553
Open in Google Maps ↗

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.

JOHN S HAWKINS
Family Medicine
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5200
HYAEJEEN JEON
Student in an Organized Health Care Education/Training Program
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5117
JUSTIN RATEL
Registered Nurse
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5705
RONALD POWER DDS
Dentist
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5110
DR. SARA JOSEPHINE RICHEY-LUCERO M.D.
General Practice
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5182
CHARLOTTE STANDEFER
Family Medicine
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5110
RICHARD NAGLE
Surgery
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5110
CHRISTIAN MICHAEL EISERT MD, MPH
Otolaryngology
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5000

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 Claritza Mazariegos De Leon's NPI number?

The NPI number for Claritza Mazariegos De Leon is 1578110425. It was assigned to this individual provider in the NPPES registry on August 23, 2019.

Where is Claritza Mazariegos De Leon located?

Claritza Mazariegos De Leon practices at 2500 Alhambra Ave, Martinez, CA 94553. The listed phone number is (925) 370-5000.

What is Claritza Mazariegos De Leon'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 Claritza Mazariegos De Leon was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.