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

MERCEDES RIVAS
NPI 1922799477
Counselor - Addiction (Substance Use Disorder) in Tarzana, CA

Active since May 16, 2023
18646 OXNARD ST, TARZANA, CA 91356(818) 996-1051 Get Directions Write a Review

NPPES record last updated: June 23, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 23, 2023, May 16, 2023 (2 updates tracked since 2023).

About Mercedes Rivas NPPES

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

MERCEDES RIVAS (NPI 1922799477) is an individual addiction (substance use disorder) provider in Tarzana, California and active in the NPI registry since May 2023.

NPPES Registry Identity

NPI1922799477
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMERCEDES RIVAS
Location Address18646 OXNARD STTarzana, CA 91356-1411
Mailing Address18646 Oxnard StTarzana, CA 91356-1411
Phone(818) 996-1051
Sole ProprietorNo
Enumeration DateMay 16, 2023
Last NPPES UpdateJune 23, 20232 updates tracked since enumeration
NPPES CertifiedJune 23, 2023
✔ NPI 1922799477 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 Mercedes Rivas's NPI number?

The NPI number for Mercedes Rivas is 1922799477. It was assigned to this individual provider in the NPPES registry on May 16, 2023.

Where is Mercedes Rivas located?

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

What is Mercedes Rivas'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 Mercedes Rivas was last updated on June 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.