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GILES SPENCER MARSDEN
NPI 1336016864
Counselor - Addiction (Substance Use Disorder) in Los Angeles, CA

Active since October 20, 2025
1919 N BEACHWOOD DR, LOS ANGELES, CA 90068(323) 463-4266(323) 962-6659 Get Directions Write a Review

NPPES record last updated: October 20, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Giles Spencer Marsden NPPES

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

GILES SPENCER MARSDEN (NPI 1336016864) is an individual addiction (substance use disorder) provider in Los Angeles, California and active in the NPI registry since October 2025.

NPPES Registry Identity

NPI1336016864
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameGILES SPENCER MARSDEN
Location Address1919 N BEACHWOOD DRLos Angeles, CA 90068-4006
Mailing Address1919 N Beachwood DrLos Angeles, CA 90068-4006 · (323) 463-4266 · Fax (323) 962-6659
Phone(323) 463-4266
Fax(323) 962-6659
Sole ProprietorNo
Enumeration DateOctober 20, 2025
NPPES CertifiedOctober 20, 2025
✔ NPI 1336016864 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
1919 N BEACHWOOD DR, Los Angeles, CA 90068
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Other Providers at the Same Location NPPES 7

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

JAMIE FREEMAN RADT
Technician, Other
1919 N BEACHWOOD DR
LOS ANGELES, CA 90068
Los Angeles County (323) 463-4266
LOYDA PEREZ CADACII
Counselor (Addiction (Substance Use Disorder))
1919 N BEACHWOOD DR
LOS ANGELES, CA 90068
Los Angeles County (323) 463-4266
VAN NESS RECOVERY HOUSE INC.
Substance Abuse Rehabilitation Facility
1919 N BEACHWOOD DR
LOS ANGELES, CA 90068
Los Angeles County (323) 463-4266
AYANNA MILLER
Counselor (Addiction (Substance Use Disorder))
1919 N BEACHWOOD DR
LOS ANGELES, CA 90068
Los Angeles County (323) 463-4266
TINNA FLORES RADT
Technician, Other
1919 N BEACHWOOD DR
LOS ANGELES, CA 90068
Los Angeles County (323) 463-4266
RAYMON LOPEZ RADT
Technician, Other
1919 N BEACHWOOD DR
LOS ANGELES, CA 90068
Los Angeles County (323) 463-4266
KATHY WATT
Technician, Other
1919 N BEACHWOOD DR
LOS ANGELES, CA 90068
Los Angeles County (323) 463-4266

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 Giles Marsden's NPI number?

The NPI number for Giles Marsden is 1336016864. It was assigned to this individual provider in the NPPES registry on October 20, 2025.

Where is Giles Marsden located?

Giles Marsden practices at 1919 N Beachwood Dr, Los Angeles, CA 90068. The listed phone number is (323) 463-4266.

What is Giles Marsden'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 Giles Marsden was last updated on October 20, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.