Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Tatjana Josic, DO

Psychiatry Physician in Los Angeles, CA · enumerated 2014 · practices at The Regents of the University of California.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1578975637

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Registry record

Entity type Individual (Type 1)

Name Tatjana Josic

Credential DO

Sex Female

Practice address 10250 Santa Monica Blvd Ste 2440, Los Angeles, CA, 90067

Phone (310) 286-0122

Enumeration date May 23, 2014

Last updated in NPPES Jul 27, 2022

Taxonomy & licenses

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 20A14286 (CA) Secondary

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 20A14286 (CA) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1578975637 active?

Yes, as of the latest NPPES snapshot, NPI 1578975637 is active (record last updated 2022-07-27).

How do I verify Tatjana Josic's NPI record?

Cross-check NPI 1578975637 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-27.