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ERNEST DONELL WILLIAMSON JR.
NPI 1649782954
Counselor - Addiction (Substance Use Disorder) in Stockton, CA

Active since October 26, 2017
1111 N EL DORADO ST, STOCKTON, CA 95202(209) 938-0228(209) 938-0281 Get Directions Write a Review

NPPES record last updated: October 26, 2017. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Ernest Donell Williamson Jr. NPPES

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

ERNEST DONELL WILLIAMSON JR. (NPI 1649782954) is an individual addiction (substance use disorder) provider in Stockton, California and active in the NPI registry since October 2017.

NPPES Registry Identity

NPI1649782954
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameERNEST DONELL WILLIAMSON JR.
Location Address1111 N EL DORADO STStockton, CA 95202-1305
Mailing Address1111 N El Dorado StStockton, CA 95202-1305 · (209) 938-0228 · Fax (209) 938-0281
Phone(209) 938-0228
Fax(209) 938-0281
Sole ProprietorYes
Enumeration DateOctober 26, 2017
✔ NPI 1649782954 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
1111 N EL DORADO ST, Stockton, CA 95202
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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.

SIERRA ALEXIS NAVE REGISTERED SUDC
Counselor (Addiction (Substance Use Disorder))
1111 N EL DORADO ST
STOCKTON, CA 95202
San Joaquin County (209) 938-0228
TYDA VIVEROS
Licensed Psychiatric Technician
1111 N EL DORADO ST
STOCKTON, CA 95202
San Joaquin County (209) 938-0228
MOISES MUNOZ
Counselor (Addiction (Substance Use Disorder))
1111 N EL DORADO ST
STOCKTON, CA 95202
San Joaquin County (209) 938-0228
SAVANNAH JEAN HOLMAN
Counselor (Addiction (Substance Use Disorder))
1111 N EL DORADO ST
STOCKTON, CA 95202
San Joaquin County (209) 938-0228
DENISE MARIE AHERN
Counselor (Addiction (Substance Use Disorder))
1111 N EL DORADO ST
STOCKTON, CA 95202
San Joaquin County (209) 938-0228
MELISSA ANNE SCOTT
Counselor (Addiction (Substance Use Disorder))
1111 N EL DORADO ST
STOCKTON, CA 95202
San Joaquin County (209) 938-0228
EILEEN CHATHAM
Clinic/Center
1111 N EL DORADO ST
STOCKTON, CA 95202
San Joaquin County (209) 938-0228
MS. DONALEE KAY BATES
Clinic/Center
1111 N EL DORADO ST
STOCKTON, CA 95202
San Joaquin County (209) 938-0228

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 Ernest Williamson's NPI number?

The NPI number for Ernest Williamson is 1649782954. It was assigned to this individual provider in the NPPES registry on October 26, 2017.

Where is Ernest Williamson located?

Ernest Williamson practices at 1111 N El Dorado St, Stockton, CA 95202. The listed phone number is (209) 938-0228.

What is Ernest 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 Ernest Williamson was last updated on October 26, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.