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BILLY METAJAN
NPI 1598625428
Counselor - Addiction (Substance Use Disorder) in Hawaiian Gardens, CA

Active since November 13, 2025
21505 NORWALK BLVD, HAWAIIAN GARDENS, CA 90716(562) 916-7581 Get Directions Write a Review

NPPES record last updated: November 13, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Billy Metajan NPPES

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

BILLY METAJAN (NPI 1598625428) is an individual addiction (substance use disorder) provider in Hawaiian Gardens, California, licensed in California (23017) and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1598625428
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameBILLY METAJAN
Location Address21505 NORWALK BLVDHawaiian Gardens, CA 90716-1121
Mailing Address10740 Madge AveSouth Gate, CA 90280-7320 · (562) 302-8536
Phone(562) 916-7581
Sole ProprietorNo
Enumeration DateNovember 13, 2025
NPPES CertifiedNovember 13, 2025
✔ NPI 1598625428 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in CA · 23017
21505 NORWALK BLVD, Hawaiian Gardens, CA 90716
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Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. TRINA AGUILAR
Counselor (Addiction (Substance Use Disorder))
21505 NORWALK BLVD
HAWAIIAN GARDENS, CA 90716
Los Angeles County (562) 916-7581
ELISABETH LYNN MITCHELL LVN
Licensed Vocational Nurse
21505 NORWALK BLVD
HAWAIIAN GARDENS, CA 90716
Los Angeles County (562) 916-7581
MS. VANISHA NOAMI QUEVEDO
Counselor (Addiction (Substance Use Disorder))
21505 NORWALK BLVD
HAWAIIAN GARDENS, CA 90716
Los Angeles County (562) 916-7581
ERIKA MARIBEL LLANOS
Counselor (Addiction (Substance Use Disorder))
21505 NORWALK BLVD
HAWAIIAN GARDENS, CA 90716
Los Angeles County (562) 916-7581
MARGARITA VALADEZ
Counselor (Addiction (Substance Use Disorder))
21505 NORWALK BLVD
HAWAIIAN GARDENS, CA 90716
Los Angeles County (562) 916-7581
MICHELLE DOLORES LEHDE
Licensed Vocational Nurse
21505 NORWALK BLVD
HAWAIIAN GARDENS, CA 90716
Los Angeles County (562) 916-7581
MIA AMIGON
Licensed Vocational Nurse
21505 NORWALK BLVD
HAWAIIAN GARDENS, CA 90716
Los Angeles County (562) 916-7581
SAMANTHA ANN EVANS LVN
Licensed Vocational Nurse
21505 NORWALK BLVD
HAWAIIAN GARDENS, CA 90716
Los Angeles County (562) 916-7581

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 Billy Metajan's NPI number?

The NPI number for Billy Metajan is 1598625428. It was assigned to this individual provider in the NPPES registry on November 13, 2025.

Where is Billy Metajan located?

Billy Metajan practices at 21505 Norwalk Blvd, Hawaiian Gardens, CA 90716. The listed phone number is (562) 916-7581.

What is Billy Metajan's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Billy Metajan was last updated on November 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.