LON HAMILTON JR. PH. D.
NPI 1740424902
Psychologist in Washington, DC

Active since April 30, 2009
3502 18TH ST NE, WASHINGTON, DC 20018(240) 533-6657 Get Directions Write a Review

NPPES record last updated: September 5, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Lon Hamilton Jr. Ph. D. NPPES

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

LON HAMILTON JR. PH. D. (NPI 1740424902) is an individual psychologist in Washington, District Of Columbia, licensed in District Of Columbia (PRC608) and active in the NPI registry since April 2009.

NPPES Registry Identity

NPI1740424902
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameLON HAMILTON JR.Credential: PH. D.
Location Address3502 18TH ST NEWashington, DC 20018-2738
Mailing Address6600 Furman CtRiverdale, MD 20737-3009 · (240) 533-6657
Sole ProprietorNo
Enumeration DateApril 30, 2009
Last NPPES UpdateSeptember 5, 2022
NPPES CertifiedSeptember 5, 2022
NPI 1740424902 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 DC · PRC608
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.
3502 18TH ST NE, Washington, DC 20018

Accepted Insurance

Other Providers at the Same Location NPPES 2

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

Psychologist (Counseling)
3502 18TH ST NE
WASHINGTON, DC 20018
Home Health Aide
3502 18TH ST NE
WASHINGTON, DC 20018

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 Lon Hamilton's NPI number?

The NPI number for Lon Hamilton is 1740424902. It was assigned to this individual provider in the NPPES registry on April 30, 2009.

Where is Lon Hamilton located?

Lon Hamilton practices at 3502 18th St NE, Washington, DC 20018. The listed phone number is (240) 533-6657.

What is Lon Hamilton's specialty?

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

What insurance does Lon Hamilton accept?

Health plans from Providence Health Plan list Lon 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 Lon Hamilton was last updated on September 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.