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MR. GARY ALLEN WILLIAMS CAC II
NPI 1235829292
Counselor - Addiction (Substance Use Disorder) in Washington, DC

Active since May 11, 2023
124 15TH ST SE, WASHINGTON, DC 20003(202) 543-4558(202) 543-4579 Get Directions Write a Review

NPPES record last updated: May 11, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Gary Allen Williams Cac Ii NPPES

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

MR. GARY ALLEN WILLIAMS CAC II (NPI 1235829292) is an individual addiction (substance use disorder) provider in Washington, District Of Columbia, licensed in District Of Columbia (1291) and active in the NPI registry since May 2023.

NPPES Registry Identity

NPI1235829292
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMR. GARY ALLEN WILLIAMSCredential: CAC II
Location Address124 15TH ST SEWashington, DC 20003-1519
Mailing Address5717 Cypress Creek Dr Apt 303Hyattsville, MD 20782-1830 · (202) 213-1214
Phone(202) 543-4558
Fax(202) 543-4579
Sole ProprietorYes
Enumeration DateMay 11, 2023
NPPES CertifiedMay 11, 2023
✔ NPI 1235829292 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 DC · 1291
124 15TH ST SE, Washington, DC 20003
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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.

DEANGELA MORGAN RECOVERY SUPPORT SPE
Peer Specialist
124 15TH ST SE
WASHINGTON, DC 20003
District of Columbia (202) 459-9908
MS. REBA SEABORN
Peer Specialist
124 15TH ST SE
WASHINGTON, DC 20003
District of Columbia (202) 459-9908
DARRYL LAMONT ANDERSON
Counselor (Addiction (Substance Use Disorder))
124 15TH ST SE
WASHINGTON, DC 20003
District of Columbia (202) 459-9907
CARL S YOUNG
Peer Specialist
124 15TH ST SE
WASHINGTON, DC 20003
District of Columbia (202) 607-0955

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 Gary Williams's NPI number?

The NPI number for Gary Williams is 1235829292. It was assigned to this individual provider in the NPPES registry on May 11, 2023.

Where is Gary Williams located?

Gary Williams practices at 124 15th St SE, Washington, DC 20003. The listed phone number is (202) 543-4558.

What is Gary Williams'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 Gary Williams was last updated on May 11, 2023. 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.