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MR. DARRELL WAYNE WILLIAMSON
NPI 1912115213
Counselor - Addiction (Substance Use Disorder) in San Diego, CA

Active since May 18, 2007
6244 EL CAJON BLVD STE 15, SAN DIEGO, CA 92115(619) 287-8225(619) 287-4146 Get Directions Write a Review

NPPES record last updated: July 10, 2007. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Mr. Darrell Wayne Williamson NPPES

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

MR. DARRELL WAYNE WILLIAMSON (NPI 1912115213) is an individual addiction (substance use disorder) provider in San Diego, California and active in the NPI registry since May 2007.

NPPES Registry Identity

NPI1912115213
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMR. DARRELL WAYNE WILLIAMSON
Location Address6244 EL CAJON BLVD STE 15San Diego, CA 92115-3918
Mailing Address4354 Kansas St Apt 7San Diego, CA 92104-7801 · (619) 564-7484 · Fax (619) 287-8225
Phone(619) 287-8225
Fax(619) 287-4146
Sole ProprietorNo
Enumeration DateMay 18, 2007
Last NPPES UpdateJuly 10, 2007
✔ NPI 1912115213 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
6244 EL CAJON BLVD STE 15, San Diego, CA 92115
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Other Providers at the Same Location NPPES 5

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

JOSE VAZQUEZ
Counselor (Addiction (Substance Use Disorder))
6244 EL CAJON BLVD STE 15
SAN DIEGO, CA 92115
San Diego County (619) 287-8225
MS. JUDI A TEAZE
Counselor (Addiction (Substance Use Disorder))
6244 EL CAJON BLVD STE 15
SAN DIEGO, CA 92115
San Diego County (619) 287-8225
KELLY PAUL MINOR
Counselor (Addiction (Substance Use Disorder))
6244 EL CAJON BLVD STE 15
SAN DIEGO, CA 92115
San Diego County (619) 287-8225
MR. AARON BARCLAY CLEALL
Counselor (Addiction (Substance Use Disorder))
6244 EL CAJON BLVD STE 15
SAN DIEGO, CA 92115
San Diego County (619) 287-8225
RANIA HANI FAKHOURY
Counselor (Addiction (Substance Use Disorder))
6244 EL CAJON BLVD STE 15
SAN DIEGO, CA 92115
San Diego County (619) 287-8225

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 Darrell Williamson's NPI number?

The NPI number for Darrell Williamson is 1912115213. It was assigned to this individual provider in the NPPES registry on May 18, 2007.

Where is Darrell Williamson located?

Darrell Williamson practices at 6244 El Cajon Blvd Ste 15, San Diego, CA 92115. The listed phone number is (619) 287-8225.

What is Darrell Williamson'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 Darrell Williamson was last updated on July 10, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.