MS. THERESA Y. WILLIAMS C.A.S.A.C.
NPI 1689820995
Counselor - Addiction (Substance Use Disorder) in New York, NY

Active since August 18, 2008
500 8TH AVE, 3RD FLOOR, NEW YORK, NY 10018(212) 904-1500 Get Directions Write a Review

NPPES record last updated: August 18, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Theresa Y. Williams C.a.s.a.c. NPPES

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

MS. THERESA Y. WILLIAMS C.A.S.A.C. (NPI 1689820995) is an individual addiction (substance use disorder) provider in New York, New York, licensed in New York (12644) and active in the NPI registry since August 2008.

NPPES Registry Identity

NPI1689820995
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMS. THERESA Y. WILLIAMSCredential: C.A.S.A.C.
Location Address500 8TH AVE, 3RD FLOORNew York, NY 10018-6504
Mailing Address1075 Herkimer StBrooklyn, NY 11233-3107 · (718) 771-7905
Sole ProprietorYes
Enumeration DateAugust 18, 2008
NPI 1689820995 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 NY · 12644
500 8TH AVE, New York, NY 10018

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.

Social Worker
500 8TH AVE, 3RD FLOOR
NEW YORK, NY 10018
Clinic/Center (Rehabilitation, Substance Use Disorder)
500 8TH AVE, SUITE 906
NEW YORK, NY 10018
Counselor (Addiction (Substance Use Disorder))
500 8TH AVE, 3RD FLOOR
NEW YORK, NY 10018
Social Worker
500 8TH AVE, 3RD FLOOR
NEW YORK, NY 10018
Counselor (Addiction (Substance Use Disorder))
500 8TH AVE, 9TH FLOOR
NEW YORK, NY 10018
Counselor (Addiction (Substance Use Disorder))
500 8TH AVE, 3RD FLOOR
NEW YORK, NY 10018
Counselor (Addiction (Substance Use Disorder))
500 8TH AVE, SUITE 906
NEW YORK, NY 10018
Counselor (Addiction (Substance Use Disorder))
500 8TH AVE, SUITE 906
NEW YORK, NY 10018

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 Theresa Williams's NPI number?

The NPI number for Theresa Williams is 1689820995. It was assigned to this individual provider in the NPPES registry on August 18, 2008.

Where is Theresa Williams located?

Theresa Williams practices at 500 8th Ave 3rd Floor, New York, NY 10018. The listed phone number is (212) 904-1500.

What is Theresa 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 Theresa Williams was last updated on August 18, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.