ALLAN B WILLETT M.D.
NPI 1841226321
Psychiatry & Neurology - Psychiatry in Littleton, CO

Active since June 24, 2006
9200 W CROSS DR, SUITE 421, LITTLETON, CO 80123(303) 432-5600 Get Directions Write a Review

NPPES record last updated: December 15, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Allan B Willett M.d. NPPES

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

ALLAN B WILLETT M.D. (NPI 1841226321) is an individual psychiatry provider in Littleton, Colorado, licensed in Colorado (18444) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1841226321
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameALLAN B WILLETTCredential: M.D.
Location Address9200 W CROSS DR, SUITE 421Littleton, CO 80123-2239
Mailing Address1758 Sinton RdEvergreen, CO 80439-4620 · (303) 670-0548
Sole ProprietorYes
Enumeration DateJune 24, 2006
Last NPPES UpdateDecember 15, 2008
NPI 1841226321 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 CO · 18444
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.
9200 W CROSS DR, Littleton, CO 80123

Other Identifiers 2

Medicare UPINE74375CO
Medicare PINC806757CO

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.

Clinic/Center (Oral and Maxillofacial Surgery)
9200 W CROSS DR, SUITE 603
LITTLETON, CO 80123
Dentist (General Practice)
9200 W CROSS DR, SUITE 300
LITTLETON, CO 80123
Dentist (General Practice)
9200 W CROSS DR, #407
LITTLETON, CO 80123
Counselor (Professional)
9200 W CROSS DR
LITTLETON, CO 80123
Social Worker (Clinical)
9200 W CROSS DR
LITTLETON, CO 80123
Physical Therapist (Orthopedic)
9200 W CROSS DR, SUITE 400
LITTLETON, CO 80123
Dentist (Oral and Maxillofacial Surgery)
9200 W CROSS DR, SUITE #603
LITTLETON, CO 80123
Occupational Therapist
9200 W CROSS DR, SUITE 400
LITTLETON, CO 80123

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 Allan Willett's NPI number?

The NPI number for Allan Willett is 1841226321. It was assigned to this individual provider in the NPPES registry on June 24, 2006.

Where is Allan Willett located?

Allan Willett practices at 9200 W Cross Dr Suite 421, Littleton, CO 80123. The listed phone number is (303) 432-5600.

What is Allan Willett'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 Allan Willett was last updated on December 15, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.