ADDETTE L WILLIAMS PH.D.
NPI 1720298532
Psychologist in New York, NY

Active since May 23, 2007
330 W 58TH ST, SUITE 611, NEW YORK, NY 10019(917) 209-5199 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Addette L Williams Ph.d. NPPES

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

ADDETTE L WILLIAMS PH.D. (NPI 1720298532) is an individual psychologist in New York, New York, licensed in New York (015131) and active in the NPI registry since May 2007.

NPPES Registry Identity

NPI1720298532
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameADDETTE L WILLIAMSCredential: PH.D.
Location Address330 W 58TH ST, SUITE 611New York, NY 10019-1827
Mailing Address15620 Riverside Dr W, #4fNew York, NY 10032-7010
Sole ProprietorYes
Enumeration DateMay 23, 2007
Last NPPES UpdateSeptember 11, 2025
NPI 1720298532 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in NY · 015131
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 015131 (NY)
Also ListedPsychologist · Clinical Child & AdolescentTaxonomy 103TC2200X · License 015131 (NY)

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 (Clinical)
330 W 58TH ST, SUITE 609
NEW YORK, NY 10019
Community/Behavioral Health
330 W 58TH ST, SUITE 208
NEW YORK, NY 10019
Midwife
330 W 58TH ST, SUITE 505
NEW YORK, NY 10019
Chiropractor
330 W 58TH ST, SUITE# 407
NEW YORK, NY 10019
Psychologist
330 W 58TH ST, SUITE 313
NEW YORK, NY 10019
Psychologist (Clinical)
330 W 58TH ST, SUITE 612
NEW YORK, NY 10019
Specialist
330 W 58TH ST
NEW YORK, NY 10019
Psychologist
330 W 58TH ST, SUITE 207
NEW YORK, NY 10019

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 Addette Williams's NPI number?

The NPI number for Addette Williams is 1720298532. It was assigned to this individual provider in the NPPES registry on May 23, 2007.

Where is Addette Williams located?

Addette Williams practices at 330 W 58th St Suite 611, New York, NY 10019. The listed phone number is (917) 209-5199.

What is Addette Williams's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

When was this NPI record last updated?

The NPPES record for Addette Williams was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.