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THOMAS PAUL TARSHIS MD
NPI 1043304017
Psychiatry & Neurology - Psychiatry in Berkeley, CA

Active since October 03, 2006
3030 ASHBY AVE STE 104, BERKELEY, CA 94705(510) 224-4221(510) 422-1442 Get Directions Write a Review

NPPES record last updated: January 16, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 16, 2026, Jan 8, 2026 (2 updates tracked since 2026).

About Thomas Paul Tarshis Md NPPES

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

THOMAS PAUL TARSHIS MD (NPI 1043304017) is an individual psychiatry provider in Berkeley, California, licensed in California (A81257) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1043304017
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameTHOMAS PAUL TARSHISCredential: MD
Location Address3030 ASHBY AVE STE 104Berkeley, CA 94705-2439
Mailing Address3030 Ashby Ave Ste 104Berkeley, CA 94705-2439 · (510) 224-4221 · Fax (510) 422-1442
Phone(510) 224-4221
Fax(510) 422-1442
Sole ProprietorNo
Enumeration DateOctober 3, 2006
Last NPPES UpdateJanuary 16, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 16, 2026
✔ NPI 1043304017 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 · A81257
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.
3030 ASHBY AVE STE 104, Berkeley, CA 94705
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Other Identifiers 1

Medicaid00A812570CA

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JUDY PORAT
Technician, Other
3030 ASHBY AVE STE 104
BERKELEY, CA 94705
Alameda County (510) 540-8687
ALEXANDER CHI-YUAN ZHA MD
Psychiatry & Neurology (Psychiatry)
3030 ASHBY AVE STE 104
BERKELEY, CA 94705
Alameda County (510) 224-4221

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 Thomas Tarshis's NPI number?

The NPI number for Thomas Tarshis is 1043304017. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Where is Thomas Tarshis located?

Thomas Tarshis practices at 3030 Ashby Ave Ste 104, Berkeley, CA 94705. The listed phone number is (510) 224-4221.

What is Thomas Tarshis'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 Thomas Tarshis was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.