JOHN HAMILTON PHD
NPI 1275838161
Psychologist in Great Falls, MT

Active since January 24, 2011
400 15TH AVE S, GREAT FALLS, MT 59405(406) 731-8888 Get Directions Write a Review

NPPES record last updated: April 8, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 8, 2024, Apr 2, 2021, Oct 13, 2020 and 2 more (5 updates tracked since 2017).

About John Hamilton Phd NPPES

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

JOHN HAMILTON PHD (NPI 1275838161) is an individual psychologist in Great Falls, Montana, licensed in Montana (2580) and active in the NPI registry since January 2011.

NPPES Registry Identity

NPI1275838161
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameJOHN HAMILTONCredential: PHD
Location Address400 15TH AVE SGreat Falls, MT 59405
Mailing Address400 15th Ave SGreat Falls, MT 59405-4375 · (406) 731-8888
Sole ProprietorYes
Enumeration DateJanuary 24, 2011
Last NPPES UpdateApril 8, 20245 updates tracked since enumeration
NPPES CertifiedApril 8, 2024
NPI 1275838161 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 MT · 2580
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.
400 15TH AVE S, Great Falls, MT 59405

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.

Family Medicine
400 15TH AVE S, SUITE 207
GREAT FALLS, MT 59405
Clinical Neuropsychologist
400 15TH AVE S
GREAT FALLS, MT 59405
Psychiatry & Neurology (Neurology)
400 15TH AVE S, STE 206
GREAT FALLS, MT 59405

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 John Hamilton's NPI number?

The NPI number for John Hamilton is 1275838161. It was assigned to this individual provider in the NPPES registry on January 24, 2011.

Where is John Hamilton located?

John Hamilton practices at 400 15th Ave S, Great Falls, MT 59405. The listed phone number is (406) 731-8888.

What is John Hamilton's specialty?

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

What insurance does John Hamilton accept?

Health plans from Blue Cross and Blue Shield of Montana and Mountain Health CO-OP list John Hamilton 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 John Hamilton was last updated on April 8, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.