DR. WILLIAM ROGER DAVIS M.D.
NPI 1124494646
Psychiatry & Neurology - Psychiatry in Vacaville, CA

Q: What is William Davis's NPI number?

The NPI number for William Davis is 1124494646. It was assigned to this individual provider in the NPPES registry on August 19, 2015.

Q: What is William Davis's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Davis was last updated on February 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since August 19, 2015

1119 E MONTE VISTA AVE, VACAVILLE, CA 95688(707) 469-4610 Get Directions Write a Review

NPPES record last updated: February 24, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. William Roger Davis M.d. NPPES

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

DR. WILLIAM ROGER DAVIS M.D. (NPI 1124494646) is an individual psychiatry provider in Vacaville, California, licensed in California (G13524) and active in the NPI registry since August 2015. He maintains a secondary practice location in Mobile.

NPPES Registry Identity

NPI1124494646

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. WILLIAM ROGER DAVISCredential: M.D.

Location Address1119 E MONTE VISTA AVEVacaville, CA 95688-3009

Mailing Address6700 Cottage Hill Rd Apt C1Mobile, AL 36695-3717 · (251) 635-1877 · Fax (251) 635-1877

Phone(707) 469-4610

Sole ProprietorYes

Enumeration DateAugust 19, 2015

Last NPPES UpdateFebruary 24, 2020

✔ NPI 1124494646 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in CA · G13524✔ Licensed in AL · 5510

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.

Also ListedFamily MedicineTaxonomy 207Q00000X · License G13524 (CA)

1119 E MONTE VISTA AVE, Vacaville, CA 95688

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Secondary Practice Location 1

Location 16700 Cottage Hill Rd Apt C1Mobile, AL 36695-3717 · Phone (251) 635-1877 · Fax (251) 635-1877

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.

DANIEL KLEIN PA-C

Physician Assistant