Individual provider · Type 1 NPI

Jeffrey Howard Zwerin, DO

Psychiatry Physician · Napa, CA

NPI number 1104879865 Active

Practice location

2100 Napa-Vallejo Highway
Napa, CA 94558-6293

Call (707) 253-5000 Map

Fax (707) 253-5513

Mailing address

1600 9th Street, Room 205 Mailstop 2-3
Sacramento, CA 95814-6414

Specialties and licenses

TaxonomyCodeLicense
Psychiatry Physician Primary 2084P0800X20A4396 (CA)

Psychiatry Physician: 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 la…

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About NPI 1104879865

Jeffrey Howard Zwerin, DO's National Provider Identifier is 1104879865, issued on May 17, 2006. The primary taxonomy on file is Psychiatry Physician (2084P0800X), and the practice location is in Napa, CA. The record was last updated on Jul 13, 2026.