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

JULIAN SAVERY SZIEFF DO
NPI 1922611664
Psychiatry & Neurology - Psychiatry in Ventura, CA

Q: What is Julian Szieff's NPI number?

The NPI number for Julian Szieff is 1922611664. It was assigned to this individual provider in the NPPES registry on August 24, 2020.

Q: What is Julian Szieff'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 Julian Szieff was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 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 August 24, 2020

147 N BRENT ST, VENTURA, CA 93003(805) 948-5672 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 26, 2025, Aug 24, 2020 (2 updates tracked since 2020).

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About Julian Savery Szieff Do NPPES

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

JULIAN SAVERY SZIEFF DO (NPI 1922611664) is an individual psychiatry provider in Ventura, California, licensed in California (PTL4558) and active in the NPI registry since August 2020.

NPPES Registry Identity

NPI1922611664

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameJULIAN SAVERY SZIEFFCredential: DO

Location Address147 N BRENT STVentura, CA 93003-2854

Mailing Address147 N Brent StVentura, CA 93003-2854

Phone(805) 948-5672

Sole ProprietorNo

Enumeration DateAugust 24, 2020

Last NPPES UpdateJuly 1, 20262 updates tracked since enumeration

NPPES CertifiedJuly 1, 2026

✔ NPI 1922611664 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CA · PTL4558

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 ListedCase Manager/Care CoordinatorTaxonomy 171M00000X

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

147 N BRENT ST, Ventura, CA 93003

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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. DANIEL BLAINE ASAY M.D.

Anesthesiology