JOSEPH EDWARD CASTILLO JR. RADT
NPI 1417666991
Counselor - Addiction (Substance Use Disorder) in Walnut Creek, CA

Active since November 23, 2022
1776 YGNACIO VALLEY RD STE 206, WALNUT CREEK, CA 94598(925) 278-1792 Get Directions Write a Review

NPPES record last updated: November 23, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Joseph Edward Castillo Jr. Radt NPPES

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

JOSEPH EDWARD CASTILLO JR. RADT (NPI 1417666991) is an individual addiction (substance use disorder) provider in Walnut Creek, California, licensed in California (R1472390622) and active in the NPI registry since November 2022.

NPPES Registry Identity

NPI1417666991
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameJOSEPH EDWARD CASTILLO JR.Credential: RADT
Location Address1776 YGNACIO VALLEY RD STE 206Walnut Creek, CA 94598-3125
Mailing Address67 Carol Ln Apt 470Oakley, CA 94561-4461 · (925) 305-9896
Sole ProprietorYes
Enumeration DateNovember 23, 2022
NPPES CertifiedOctober 20, 2022
NPI 1417666991 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 · R1472390622
1776 YGNACIO VALLEY RD STE 206, Walnut Creek, CA 94598

Other Providers at the Same Location NPPES 4

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

Counselor (Addiction (Substance Use Disorder))
1776 YGNACIO VALLEY RD STE 206
WALNUT CREEK, CA 94598
Counselor (Addiction (Substance Use Disorder))
1776 YGNACIO VALLEY RD STE 206
WALNUT CREEK, CA 94598
Licensed Vocational Nurse
1776 YGNACIO VALLEY RD STE 206
WALNUT CREEK, CA 94598
Clinic/Center (Methadone)
1776 YGNACIO VALLEY RD STE 206
WALNUT CREEK, CA 94598

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 Joseph Castillo's NPI number?

The NPI number for Joseph Castillo is 1417666991. It was assigned to this individual provider in the NPPES registry on November 23, 2022.

Where is Joseph Castillo located?

Joseph Castillo practices at 1776 Ygnacio Valley Rd Ste 206, Walnut Creek, CA 94598. The listed phone number is (925) 278-1792.

What is Joseph Castillo'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 Joseph Castillo was last updated on November 23, 2022. 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.