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GARY SEIDEN
NPI 1518814730
Counselor - Addiction (Substance Use Disorder) in Santa Monica, CA

Active since March 16, 2026
1002 PICO BLVD, SANTA MONICA, CA 90405(310) 314-6200 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Gary Seiden NPPES

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

GARY SEIDEN (NPI 1518814730) is an individual addiction (substance use disorder) provider in Santa Monica, California, licensed in California (C053660518) and active in the NPI registry since March 2026.

NPPES Registry Identity

NPI1518814730
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameGARY SEIDEN
Location Address1002 PICO BLVDSanta Monica, CA 90405-1416
Mailing Address340 S La Fayette Park Pl Apt 308Los Angeles, CA 90057-1639
Phone(310) 314-6200
Sole ProprietorYes
Enumeration DateMarch 16, 2026
NPPES CertifiedMarch 16, 2026
✔ NPI 1518814730 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 · C053660518
1002 PICO BLVD, Santa Monica, CA 90405
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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.

MISS CARLY ELIZABETH DECERCE RAD-T LEVEL I
Counselor (Addiction (Substance Use Disorder))
1002 PICO BLVD
SANTA MONICA, CA 90405
Los Angeles County (310) 848-7132
CLARE MATRIX
Community/Behavioral Health
1002 PICO BLVD
SANTA MONICA, CA 90405
Los Angeles County (310) 314-6200
GENEVA SHAREE AUSTIN
Counselor (Addiction (Substance Use Disorder))
1002 PICO BLVD
SANTA MONICA, CA 90405
Los Angeles County (866) 452-5273
JONATHAN KACHURKA
Counselor (Addiction (Substance Use Disorder))
1002 PICO BLVD
SANTA MONICA, CA 90405
Los Angeles County (310) 314-6200
KRISTIE JILL MARTIN
Social Worker
1002 PICO BLVD
SANTA MONICA, CA 90405
Los Angeles County (866) 452-5273
TRACI COOLEY
Counselor (Addiction (Substance Use Disorder))
1002 PICO BLVD
SANTA MONICA, CA 90405
Los Angeles County (310) 314-6200
MS. SHANNON YVVETTE WRIGHT
Counselor (Addiction (Substance Use Disorder))
1002 PICO BLVD
SANTA MONICA, CA 90405
Los Angeles County (310) 314-6200
AMANDA JOSEFINA ESTRELLA MA, MFTI
Marriage & Family Therapist
1002 PICO BLVD
SANTA MONICA, CA 90405
Los Angeles County (310) 314-6200

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 Gary Seiden's NPI number?

The NPI number for Gary Seiden is 1518814730. It was assigned to this individual provider in the NPPES registry on March 16, 2026.

Where is Gary Seiden located?

Gary Seiden practices at 1002 Pico Blvd, Santa Monica, CA 90405. The listed phone number is (310) 314-6200.

What is Gary Seiden'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 Gary Seiden was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.