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

MR. MARCELO CHAVEZ
NPI 1164139499
Social Worker in Pomona, CA

Active since November 07, 2022
831 E ARROW HWY, POMONA, CA 91767(909) 398-4383(909) 445-8936 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Aug 18, 2026, Nov 7, 2022 (2 updates tracked since 2022).

About Mr. Marcelo Chavez NPPES

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

MR. MARCELO CHAVEZ (NPI 1164139499) is an individual social worker in Pomona, California, licensed in California (139821) and active in the NPI registry since November 2022.

NPPES Registry Identity

NPI1164139499
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameMR. MARCELO CHAVEZ
Location Address831 E ARROW HWYPomona, CA 91767-2535
Mailing Address831 E Arrow HwyPomona, CA 91767-2535 · (909) 398-4383 · Fax (909) 445-8936
Phone(909) 398-4383
Fax(909) 445-8936
Sole ProprietorNo
Enumeration DateNovember 7, 2022
Last NPPES UpdateAugust 18, 20262 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
✔ NPI 1164139499 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 · 139821
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.
831 E ARROW HWY, Pomona, CA 91767
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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.

LIZBETH DIAZ ACSW
Social Worker
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 624-1233
PROTOTYPES CENTERS FOR INNOVATION IN HEALTH, MENTAL HEALTH AND SOCIAL
Community/Behavioral Health
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 398-4383
ASILI MAISHA WILBOURN LVN
Licensed Vocational Nurse
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 398-4383
MAYTE MURILLO
Case Manager/Care Coordinator
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 398-4383
KELLI HUMPHREYS
Day Training/Habilitation Specialist
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 398-4383
BRITTNEY LEE LCSW
Social Worker (Clinical)
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 398-4383
ELVIA VILLALOBOS RADT
Counselor (Addiction (Substance Use Disorder))
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 624-1233
JAIMIE BJUR
Student in an Organized Health Care Education/Training Program
831 E ARROW HWY
POMONA, CA 91767
Los Angeles County (909) 398-4383

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 Marcelo Chavez's NPI number?

The NPI number for Marcelo Chavez is 1164139499. It was assigned to this individual provider in the NPPES registry on November 7, 2022.

Where is Marcelo Chavez located?

Marcelo Chavez practices at 831 E Arrow Hwy, Pomona, CA 91767. The listed phone number is (909) 398-4383.

What is Marcelo Chavez'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 Marcelo Chavez was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 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.