TIFFANY NICOLE WILDER-HOLDEN SUDRC
NPI 1255034468
Counselor - Addiction (Substance Use Disorder) in Castro Valley, CA

Active since March 24, 2023
15480 FOOTHILL BLVD, CASTRO VALLEY, CA 94578(510) 346-7836 Get Directions Write a Review

NPPES record last updated: June 25, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 25, 2025, Mar 24, 2023 (2 updates tracked since 2023).

About Tiffany Nicole Wilder-holden Sudrc NPPES

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

TIFFANY NICOLE WILDER-HOLDEN SUDRC (NPI 1255034468) is an individual addiction (substance use disorder) provider in Castro Valley, California and active in the NPI registry since March 2023.

NPPES Registry Identity

NPI1255034468
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameTIFFANY NICOLE WILDER-HOLDENCredential: SUDRC
Location Address15480 FOOTHILL BLVDCastro Valley, CA 94578-1009
Mailing Address15480 Foothill BlvdSan Leandro, CA 94578 · (510) 478-7977
Sole ProprietorNo
Enumeration DateMarch 24, 2023
Last NPPES UpdateJune 25, 20252 updates tracked since enumeration
NPPES CertifiedJune 25, 2025
NPI 1255034468 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
15480 FOOTHILL BLVD, Castro Valley, CA 94578

Other Providers at the Same Location NPPES 6

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

Counselor (Addiction (Substance Use Disorder))
15480 FOOTHILL BLVD
SAN LEANDRO, CA 94578
Counselor (Addiction (Substance Use Disorder))
15480 FOOTHILL BLVD
SAN LEANDRO, CA 94578
Counselor (Addiction (Substance Use Disorder))
15480 FOOTHILL BLVD
SAN LEANDRO, CA 94578
Behavior Technician
15480 FOOTHILL BLVD
SAN LEANDRO, CA 94578
Counselor (Addiction (Substance Use Disorder))
15480 FOOTHILL BLVD
SAN LEANDRO, CA 94578
Counselor (Addiction (Substance Use Disorder))
15480 FOOTHILL BLVD
SAN LEANDRO, CA 94578

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 Tiffany Wilder-holden's NPI number?

The NPI number for Tiffany Wilder-holden is 1255034468. It was assigned to this individual provider in the NPPES registry on March 24, 2023.

Where is Tiffany Wilder-holden located?

Tiffany Wilder-holden practices at 15480 Foothill Blvd, Castro Valley, CA 94578. The listed phone number is (510) 346-7836.

What is Tiffany Wilder-holden'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 Tiffany Wilder-holden was last updated on June 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.