JAMES WILLIAM HAMILL
NPI 1700345212
Psychologist in Fullerton, CA

Active since March 14, 2019PECOS EnrolledAccepts Medicare Assignment
236 SOCO DR, FULLERTON, CA 92832(949) 414-6182 Get Directions Write a Review

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Nov 12, 2025, Jan 6, 2025, Mar 14, 2019 (3 updates tracked since 2019).

About James William Hamill NPPES

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

JAMES WILLIAM HAMILL (NPI 1700345212) is an individual psychologist in Fullerton, California, licensed in California (35658) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1700345212
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameJAMES WILLIAM HAMILL
Location Address236 SOCO DRFullerton, CA 92832-2475
Mailing Address236 Soco DrFullerton, CA 92832-2475
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateMarch 14, 2019
Last NPPES UpdateNovember 12, 20253 updates tracked since enumeration
NPPES CertifiedNovember 12, 2025
NPI 1700345212 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 CA · 35658
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.
236 SOCO DR, Fullerton, CA 92832

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

James William Hamill is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446780795
PECOS Enrollment IDI20250313001808
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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 James Hamill's NPI number?

The NPI number for James Hamill is 1700345212. It was assigned to this individual provider in the NPPES registry on March 14, 2019.

Where is James Hamill located?

James Hamill practices at 236 Soco Dr, Fullerton, CA 92832. The listed phone number is (949) 414-6182.

What is James Hamill's specialty?

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

Is James Hamill enrolled in Medicare?

Yes. James Hamill is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for James Hamill was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.