GREGORY WILLETT MD, A PROFESSIONAL CORPORATION
NPI 1881774743
Psychiatry & Neurology - Psychiatry in Hawthorne, CA

Active since October 16, 2006
4477 W 118TH ST, 400, HAWTHORNE, CA 90250(310) 978-0884 Get Directions Write a Review

NPPES record last updated: February 22, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Gregory Willett Md, A Professional Corporation NPPES

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

GREGORY WILLETT MD, A PROFESSIONAL CORPORATION (NPI 1881774743) is a healthcare organization registered as a psychiatry in Hawthorne, California and active in the NPI registry since October 2006. The organization lists Thomas Gregory Willett, President, as its authorized official.

NPPES Registry Identity

NPI1881774743
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameGREGORY WILLETT MD, A PROFESSIONAL CORPORATION
Location Address4477 W 118TH ST, 400Hawthorne, CA 90250-2255
Mailing Address3521 Lomita Blvd Ste 103Torrance, CA 90505-5041 · (310) 534-9131 · Fax (310) 534-6132
Organization SubpartNo
Authorized OfficialThomas Gregory WillettPresident · (310) 978-0884
Enumeration DateOctober 16, 2006
Last NPPES UpdateFebruary 22, 2008
NPI 1881774743 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in CA · A22826
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
4477 W 118TH ST, Hawthorne, CA 90250

Other Identifiers 3

Medicare ID-Type UnspecifiedA22826CA
Medicare PINW21568
Medicare UPINE98184CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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.

Internal Medicine
4477 W 118TH ST, SUITE 200
HAWTHORNE, CA 90250
Family Medicine (Sports Medicine)
4477 W 118TH ST, STE 300
HAWTHORNE, CA 90250
Dentist (General Practice)
4477 W 118TH ST, 500
HAWTHORNE, CA 90250
Specialist
4477 W 118TH ST, SUITE 503
HAWTHORNE, CA 90250
Nurse Practitioner
4477 W 118TH ST, SUITE 200
HAWTHORNE, CA 90250
Orthopaedic Surgery
4477 W 118TH ST, SUITE 503
HAWTHORNE, CA 90250
Pediatrics
4477 W 118TH ST, 301
HAWTHORNE, CA 90250
Internal Medicine
4477 W 118TH ST, SUITE 200
HAWTHORNE, CA 90250

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 Gregory Willett MD, A Professional Corporation's NPI number?

The NPI number for Gregory Willett MD, A Professional Corporation is 1881774743. It was assigned to this organization in the NPPES registry on October 16, 2006.

Where is Gregory Willett MD, A Professional Corporation located?

Gregory Willett MD, A Professional Corporation is located at 4477 W 118th St 400, Hawthorne, CA 90250. The listed phone number is (310) 978-0884.

What is Gregory Willett MD, A Professional Corporation's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Gregory Willett MD, A Professional Corporation was last updated on February 22, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.