1. Home
  2. Directory
  3. California
  4. Tarzana
  5. Counselor
  6. NPI Profile

MARCI SINCLAIR
NPI 1235327602
Counselor - Addiction (Substance Use Disorder) in Tarzana, CA

Active since October 10, 2007
18646 OXNARD ST, TARZANA, CA 91356(818) 996-1051 Get Directions Write a Review

NPPES record last updated: October 10, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Marci Sinclair NPPES

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

MARCI SINCLAIR (NPI 1235327602) is an individual addiction (substance use disorder) provider in Tarzana, California and active in the NPI registry since October 2007.

NPPES Registry Identity

NPI1235327602
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMARCI SINCLAIR
Location Address18646 OXNARD STTarzana, CA 91356-1411
Mailing Address18646 Oxnard StTarzana, CA 91356-1411
Phone(818) 996-1051
Sole ProprietorNo
Enumeration DateOctober 10, 2007
✔ NPI 1235327602 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
18646 OXNARD ST, Tarzana, CA 91356
Open in Google Maps ↗

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.

DEANNA KATHERINE MALEC RN
Registered Nurse (Case Management)
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
NICOLE MARIAN JOHNSTONE RADT
Counselor (Addiction (Substance Use Disorder))
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 654-3950
ARTURO VARGAS
Peer Specialist
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
DAVID JEROME FISCHER
Peer Specialist
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
HILDA LOPEZ
Case Manager/Care Coordinator
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 654-3850
GREGORY PAUL WALSH
Counselor (Addiction (Substance Use Disorder))
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
DAVID HEISERMAN
Counselor (Addiction (Substance Use Disorder))
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (747) 224-0384
JOSHUA KELLY
Student in an Organized Health Care Education/Training Program
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (859) 779-2349

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 Marci Sinclair's NPI number?

The NPI number for Marci Sinclair is 1235327602. It was assigned to this individual provider in the NPPES registry on October 10, 2007.

Where is Marci Sinclair located?

Marci Sinclair practices at 18646 Oxnard St, Tarzana, CA 91356. The listed phone number is (818) 996-1051.

What is Marci Sinclair'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 Marci Sinclair was last updated on October 10, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.