DR. JOSEPH A WHITEHORN PHD
NPI 1518958263
Psychologist in Charlestown, MA

Active since November 02, 2005
73 HIGH ST, CHARLESTOWN HEALTH CARE CENTER CTN, CHARLESTOWN, MA 02129(617) 724-8200(617) 726-3514 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

About Dr. Joseph A Whitehorn Phd NPPES

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

DR. JOSEPH A WHITEHORN PHD (NPI 1518958263) is an individual psychologist in Charlestown, Massachusetts, licensed in Massachusetts (2587) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1518958263
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. JOSEPH A WHITEHORNCredential: PHD
Location Address73 HIGH ST, CHARLESTOWN HEALTH CARE CENTER CTNCharlestown, MA 02129-3096
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Fax(617) 726-3514
Sole ProprietorNo
Enumeration DateNovember 2, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1518958263 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 MA · 2587
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.
73 HIGH ST, Charlestown, MA 02129

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)
73 HIGH ST
CHARLESTOWN, MA 02129
Internal Medicine
73 HIGH ST, CHARLESTOWN HEALTH CENTER ADULT MEDICINE
CHARLESTOWN, MA 02129
Psychologist
73 HIGH ST, MGH CHARLESTOWN HEALTH CENTER CTN
CHARLESTOWN, MA 02129
Nurse Practitioner (Family)
73 HIGH ST, MGH CHARLESTOWN HEALTH CENTER
CHARLESTOWN, MA 02129
Social Worker (Clinical)
73 HIGH ST
CHARLESTOWN, MA 02129
Social Worker (Clinical)
73 HIGH ST
CHARLESTOWN, MA 02129
Psychiatry & Neurology (Psychiatry)
73 HIGH ST, CHARLESTOWN HEALTH CARE CENTER
CHARLESTOWN, MA 02129
Clinical Nurse Specialist
73 HIGH ST
CHARLESTOWN, MA 02129

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 Whitehorn's NPI number?

The NPI number for Joseph Whitehorn is 1518958263. It was assigned to this individual provider in the NPPES registry on November 2, 2005.

Where is Joseph Whitehorn located?

Joseph Whitehorn practices at 73 High St Charlestown Health Care Center Ctn, Charlestown, MA 02129. The listed phone number is (617) 724-8200.

What is Joseph Whitehorn'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 Whitehorn was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.