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

RALPH CONTRERAS
NPI 1245005479
Counselor - Addiction (Substance Use Disorder) in Berkeley, CA

Active since November 17, 2023
1835 ALLSTON WAY, BERKELEY, CA 94703(510) 666-9552 Get Directions Write a Review

NPPES record last updated: November 17, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ralph Contreras NPPES

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

RALPH CONTRERAS (NPI 1245005479) is an individual addiction (substance use disorder) provider in Berkeley, California and active in the NPI registry since November 2023.

NPPES Registry Identity

NPI1245005479
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameRALPH CONTRERAS
Location Address1835 ALLSTON WAYBerkeley, CA 94703-1764
Mailing Address1835 Allston WayBerkeley, CA 94703-1764 · (510) 666-9552
Phone(510) 666-9552
Sole ProprietorNo
Enumeration DateNovember 17, 2023
NPPES CertifiedNovember 17, 2023
✔ NPI 1245005479 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
1835 ALLSTON WAY, Berkeley, CA 94703
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.

SONITHIDA CHHIM UK
Counselor (Addiction (Substance Use Disorder))
1835 ALLSTON WAY
BERKELEY, CA 94703
Alameda County (510) 666-9552
RUDY VICTOR SALDANA
Counselor (Addiction (Substance Use Disorder))
1835 ALLSTON WAY
BERKELEY, CA 94703
Alameda County (510) 666-9552
GERALD ROSS CYPERT II
Counselor (Addiction (Substance Use Disorder))
1835 ALLSTON WAY
BERKELEY, CA 94703
Alameda County (510) 666-9552
ADELYN HELFAND
Marriage & Family Therapist
1835 ALLSTON WAY
BERKELEY, CA 94703
Alameda County (510) 666-9552
SHEB ISBELL
Counselor (Addiction (Substance Use Disorder))
1835 ALLSTON WAY
BERKELEY, CA 94703
Alameda County (510) 666-9552
TORREY LEE CASSIMUS
Counselor (Addiction (Substance Use Disorder))
1835 ALLSTON WAY
BERKELEY, CA 94703
Alameda County (510) 666-9552
PAULETTE REGINA VILLA
Counselor (Addiction (Substance Use Disorder))
1835 ALLSTON WAY
BERKELEY, CA 94703
Alameda County (510) 666-9552
JOSE LUIS HURTADO
Counselor (Addiction (Substance Use Disorder))
1835 ALLSTON WAY
BERKELEY, CA 94703
Alameda County (510) 666-9552

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 Ralph Contreras's NPI number?

The NPI number for Ralph Contreras is 1245005479. It was assigned to this individual provider in the NPPES registry on November 17, 2023.

Where is Ralph Contreras located?

Ralph Contreras practices at 1835 Allston Way, Berkeley, CA 94703. The listed phone number is (510) 666-9552.

What is Ralph Contreras'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 Ralph Contreras was last updated on November 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.