JOHN WILLIAMS EVANS MD
NPI 1093733073
Psychiatry & Neurology - Psychiatry in Sonoma, CA

Q: What is John Evans's NPI number?

The NPI number for John Evans is 1093733073. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Q: What is John Evans'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 John Evans was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 July 17, 2006

670 W NAPA ST, SONOMA, CA 95476(707) 933-9757(707) 939-0688 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About John Williams Evans Md NPPES

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

JOHN WILLIAMS EVANS MD (NPI 1093733073) is an individual psychiatry provider in Sonoma, California, licensed in California (A23864) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1093733073

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameJOHN WILLIAMS EVANSCredential: MD

Location Address670 W NAPA STSonoma, CA 95476-6437

Mailing Address670 W Napa StSonoma, CA 95476-6437 · (707) 933-9757 · Fax (707) 939-0688

Phone(707) 933-9757

Fax(707) 939-0688

Sole ProprietorYes

Enumeration DateJuly 17, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1093733073 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 · A23864

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.

670 W NAPA ST, Sonoma, CA 95476

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Other Identifiers 2

Medicare ID-Type Unspecified00A238640CA

Medicare UPINA23734CA

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 John Evans's NPI number?

The NPI number for John Evans is 1093733073. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is John Evans located?

John Evans practices at 670 W Napa St, Sonoma, CA 95476. The listed phone number is (707) 933-9757.

What is John Evans'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 John Evans was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.