DR. JOSEPH DEMERS PHD
NPI 1871139196
Psychologist in Darien, CT

Active since November 21, 2019
330 POST RD, DARIEN, CT 06820(203) 202-7654(203) 202-7655 Get Directions Write a Review

NPPES record last updated: October 13, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 13, 2020, Nov 21, 2019 (2 updates tracked since 2019).

About Dr. Joseph Demers Phd NPPES

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

DR. JOSEPH DEMERS PHD (NPI 1871139196) is an individual psychologist in Darien, Connecticut, licensed in Connecticut (3893) and active in the NPI registry since November 2019.

NPPES Registry Identity

NPI1871139196
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. JOSEPH DEMERSCredential: PHD
Location Address330 POST RDDarien, CT 06820-3600
Mailing Address330 Post RdDarien, CT 06820-3600 · (203) 202-7654 · Fax (203) 202-7655
Fax(203) 202-7655
Sole ProprietorYes
Enumeration DateNovember 21, 2019
Last NPPES UpdateOctober 13, 20202 updates tracked since enumeration
NPPES CertifiedOctober 13, 2020
NPI 1871139196 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in CT · 3893
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.
330 POST RD, Darien, CT 06820

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.

Counselor
330 POST RD
DARIEN, CT 06820
Occupational Therapist
330 POST RD
DARIEN, CT 06820
Occupational Therapist
330 POST RD
DARIEN, CT 06820
Psychologist (Clinical Child & Adolescent)
330 POST RD
DARIEN, CT 06820
Clinical Neuropsychologist
330 POST RD
DARIEN, CT 06820
Psychologist
330 POST RD
DARIEN, CT 06820
Counselor (Mental Health)
330 POST RD
DARIEN, CT 06820
Counselor (Mental Health)
330 POST RD
DARIEN, CT 06820

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 Joseph Demers's NPI number?

The NPI number for Joseph Demers is 1871139196. It was assigned to this individual provider in the NPPES registry on November 21, 2019.

Where is Joseph Demers located?

Joseph Demers practices at 330 Post Rd, Darien, CT 06820. The listed phone number is (203) 202-7654.

What is Joseph Demers'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 Joseph Demers was last updated on October 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.