Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HOWARD MATTHEW EISENSTARK MD
NPI 1073565859
Psychiatry & Neurology - Psychiatry in Napa, CA

Q: What is Howard Eisenstark's NPI number?

The NPI number for Howard Eisenstark is 1073565859. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Q: What is Howard Eisenstark'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 Howard Eisenstark was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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 May 17, 2006

2100 NAPA VALLEJO HIGHWAY, NAPA, CA 94558(707) 253-5000(707) 253-5513 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Howard Matthew Eisenstark Md NPPES

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

HOWARD MATTHEW EISENSTARK MD (NPI 1073565859) is an individual psychiatry provider in Napa, California, licensed in California (G38085) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1073565859

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameHOWARD MATTHEW EISENSTARKCredential: MD

Location Address2100 NAPA VALLEJO HIGHWAYNapa, CA 94558-6293

Mailing Address1600 9th Street, Room 205 Mailstop 2 3Sacramento, CA 95814-6414 · (916) 654-2431 · Fax (916) 654-3186

Phone(707) 253-5000

Fax(707) 253-5513

Sole ProprietorNo

Enumeration DateMay 17, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1073565859 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 · G38085

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.

2100 NAPA VALLEJO HIGHWAY, Napa, CA 94558

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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.

DR. KENNETH ROBERT LAKRITZ PHD

Psychologist (Clinical)