DR. MARY KARAHALIOS PSY.D.
NPI 1467788133
Psychologist in Brooklyn, NY

Active since October 30, 2009
8820 20TH AVE, BROOKLYN, NY 11214(718) 265-0770 Get Directions Write a Review

NPPES record last updated: October 30, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mary Karahalios Psy.d. NPPES

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

DR. MARY KARAHALIOS PSY.D. (NPI 1467788133) is an individual psychologist in Brooklyn, New York, licensed in New York (014676) and active in the NPI registry since October 2009.

NPPES Registry Identity

NPI1467788133
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. MARY KARAHALIOSCredential: PSY.D.
Location Address8820 20TH AVEBrooklyn, NY 11214-7304
Mailing Address8820 20th AveBrooklyn, NY 11214-7304 · (718) 265-0770
Sole ProprietorYes
Enumeration DateOctober 30, 2009
NPI 1467788133 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 NY · 014676
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.
8820 20TH AVE, Brooklyn, NY 11214

Accepted Insurance

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dentist (General Practice)
8820 20TH AVE
BROOKLYN, NY 11214
Dentist
8820 20TH AVE
BKLYN, NY 11214
Psychologist
8820 20TH AVE
BROOKLYN, NY 11214

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 Mary Karahalios's NPI number?

The NPI number for Mary Karahalios is 1467788133. It was assigned to this individual provider in the NPPES registry on October 30, 2009.

Where is Mary Karahalios located?

Mary Karahalios practices at 8820 20th Ave, Brooklyn, NY 11214. The listed phone number is (718) 265-0770.

What is Mary Karahalios's specialty?

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

What insurance does Mary Karahalios accept?

Health plans from Providence Health Plan list Mary Karahalios as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mary Karahalios was last updated on October 30, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.