DR. WENDY S. MATTHEWS PH.D.
NPI 1851498893
Psychologist in Princeton, NJ

Active since September 20, 2006
20 NASSAU ST, SUITE 201, PRINCETON, NJ 08542(609) 924-9670 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Wendy S. Matthews Ph.d. NPPES

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

DR. WENDY S. MATTHEWS PH.D. (NPI 1851498893) is an individual psychologist in Princeton, New Jersey, licensed in New Jersey (SI01588) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1851498893
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. WENDY S. MATTHEWSCredential: PH.D.
Location Address20 NASSAU ST, SUITE 201Princeton, NJ 08542-4509
Mailing Address20 Nassau St, Suite 201Princeton, NJ 08542-4509 · (609) 924-9670
Sole ProprietorYes
Enumeration DateSeptember 20, 2006
Last NPPES UpdateSeptember 11, 2025
NPI 1851498893 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in NJ · SI01588
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 · Clinical Child & AdolescentTaxonomy 103TC2200X · License SI01588 (NJ)

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)
20 NASSAU ST, SUITE 402
PRINCETON, NJ 08542
Psychologist (Clinical)
20 NASSAU ST
PRINCETON, NJ 08542
Psychologist
20 NASSAU ST, SUITE 306
PRINCETON, NJ 08542
Psychiatry & Neurology (Psychiatry)
20 NASSAU ST, SUITE 202
PRINCETON, NJ 08542
Psychologist
20 NASSAU ST, SUITE 235A
PRINCETON, NJ 08542
Clinic/Center (Adult Mental Health)
20 NASSAU ST, SUITE #504
PRINCETON, NJ 08542
Internal Medicine (Endocrinology, Diabetes & Metabolism)
20 NASSAU ST, SUITE 208
PRINCETON, NJ 08542
Social Worker (Clinical)
20 NASSAU ST, SUITE 119
PRINCETON, NJ 08542

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 Wendy Matthews's NPI number?

The NPI number for Wendy Matthews is 1851498893. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Wendy Matthews located?

Wendy Matthews practices at 20 Nassau St Suite 201, Princeton, NJ 08542. The listed phone number is (609) 924-9670.

What is Wendy Matthews'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 Wendy Matthews was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.