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SIDNEY GENE STEPHENS JR. SUDRC
NPI 1255129243
Counselor - Addiction (Substance Use Disorder) in Castro Valley, CA

Active since April 29, 2025
2035 FAIRMONT DR, CASTRO VALLEY, CA 94578(510) 346-7836 Get Directions Write a Review

NPPES record last updated: April 29, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Sidney Gene Stephens Jr. Sudrc NPPES

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

SIDNEY GENE STEPHENS JR. SUDRC (NPI 1255129243) is an individual addiction (substance use disorder) provider in Castro Valley, California, licensed in California (21270) and active in the NPI registry since April 2025.

NPPES Registry Identity

NPI1255129243
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameSIDNEY GENE STEPHENS JR.Credential: SUDRC
Location Address2035 FAIRMONT DRCastro Valley, CA 94578-1088
Mailing Address2035 Fairmont DrCastro Valley, CA 94578-1088 · (510) 346-7836
Phone(510) 346-7836
Sole ProprietorYes
Enumeration DateApril 29, 2025
NPPES CertifiedApril 29, 2025
✔ NPI 1255129243 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 · 21270
2035 FAIRMONT DR, Castro Valley, CA 94578
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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.

CLARISSA ADRIANA ORTEGA SUDRC
Counselor (Addiction (Substance Use Disorder))
2035 FAIRMONT DR
SAN LEANDRO, CA 94578
Alameda County (510) 346-3836
LISA WOODS
Counselor (Addiction (Substance Use Disorder))
2035 FAIRMONT DR
SAN LEANDRO, CA 94578
Alameda County (510) 346-7836
JACQUELINE R TURNER RADT
Counselor (Addiction (Substance Use Disorder))
2035 FAIRMONT DR
SAN LEANDRO, CA 94578
Alameda County (510) 346-7836
MR. TYGE GILBERT TROCHE SUDRC
Counselor (Addiction (Substance Use Disorder))
2035 FAIRMONT DR
SAN LEANDRO, CA 94578
Alameda County (510) 346-7845
PHILIP LEE R1550030224
Counselor (Addiction (Substance Use Disorder))
2035 FAIRMONT DR
CASTRO VALLEY, CA 94578
Alameda County (510) 346-7836
ALEXANDER COWART
Emergency Medical Technician, Basic
2035 FAIRMONT DR
SAN LEANDRO, CA 94578
Alameda County (510) 346-7831
RONALD JETT
Counselor (Addiction (Substance Use Disorder))
2035 FAIRMONT DR
SAN LEANDRO, CA 94578
Alameda County (510) 346-7836
MISS CATARINA LOURENCO
Counselor (Addiction (Substance Use Disorder))
2035 FAIRMONT DR
SAN LEANDRO, CA 94578
Alameda County (415) 533-9993

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 Sidney Stephens's NPI number?

The NPI number for Sidney Stephens is 1255129243. It was assigned to this individual provider in the NPPES registry on April 29, 2025.

Where is Sidney Stephens located?

Sidney Stephens practices at 2035 Fairmont Dr, Castro Valley, CA 94578. The listed phone number is (510) 346-7836.

What is Sidney Stephens'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 Sidney Stephens was last updated on April 29, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.