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MR. SERGIO ANTONIUK MSW, MPA
NPI 1104939917
Social Worker in Los Angeles, CA

Active since August 16, 2006
351 E TEMPLE ST, LOS ANGELES, CA 90012(213) 253-2677(213) 253-5172 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mr. Sergio Antoniuk Msw, Mpa NPPES

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

MR. SERGIO ANTONIUK MSW, MPA (NPI 1104939917) is an individual social worker in Los Angeles, California, licensed in California (ASW 17727) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1104939917
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameMR. SERGIO ANTONIUKCredential: MSW, MPA
Location Address351 E TEMPLE STLos Angeles, CA 90012-3328
Mailing Address351 E Temple StLos Angeles, CA 90012-3328 · (213) 253-2677 · Fax (213) 253-5172
Phone(213) 253-2677
Fax(213) 253-5172
Sole ProprietorNo
Enumeration DateAugust 16, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1104939917 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 · ASW 17727
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.
351 E TEMPLE ST, Los Angeles, CA 90012
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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.

LUIS ARMANDO ESPANA JR. ACSW
Social Worker
351 E TEMPLE ST
LOS ANGELES, CA 90012
Los Angeles County (213) 440-8713
DR. KIMBERLY KELLY M.D.
Psychiatry & Neurology (Neurology)
351 E TEMPLE ST
LOS ANGELES, CA 90012
Los Angeles County (213) 253-2677
LA VETERANS AFFAIRS
Clinic/Center (VA)
351 E TEMPLE ST
LOS ANGELES, CA 90012
Los Angeles County (213) 253-2677
MR. JOEL STOUP LCSW
Social Worker (Clinical)
351 E TEMPLE ST
LOS ANGELES, CA 90012
Los Angeles County (213) 253-2677
DR. BRITTANY NICKELS PSY.D.
Psychologist (Clinical)
351 E TEMPLE ST, HOME-BASED PRIMARY CARE, RM A127A
LOS ANGELES, CA 90012
Los Angeles County (310) 810-5136
DR. CHANG H KIM OD
Optometrist
351 E TEMPLE ST
LOS ANGELES, CA 90012
Los Angeles County (213) 253-2677
MRS. MARIALENA JOANNE NICHOLS R.N.
Registered Nurse (Case Management)
351 E TEMPLE ST
LOS ANGELES, CA 90012
Los Angeles County (213) 253-2677
SOUTHERN CALIFORNIA MEDICAL GASTROENTEROLOGY GROUP, INC
Clinic/Center (Ambulatory Surgical)
351 E TEMPLE ST
LOS ANGELES, CA 90012
Los Angeles County (310) 829-6789

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 Sergio Antoniuk's NPI number?

The NPI number for Sergio Antoniuk is 1104939917. It was assigned to this individual provider in the NPPES registry on August 16, 2006.

Where is Sergio Antoniuk located?

Sergio Antoniuk practices at 351 E Temple St, Los Angeles, CA 90012. The listed phone number is (213) 253-2677.

What is Sergio Antoniuk'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 Sergio Antoniuk was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.