Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

University of California, Davis

Q: What is the NPI number for University of California, Davis?

The NPI for University of California, Davis is 1235561879, a Type 2 (organization) record in the CMS NPPES registry.

Chronic Disease Hospital in Sacramento, CA · enumerated 2013 · authorized official Theresa Arciniega, Chief Lcsw.

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

National Provider Identifier

1235561879

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Registry record

Entity type Organization (Type 2)

Legal business name University of California, Davis

Practice address 4150 V St Ste 1300, Sacramento, CA, 95817

Phone (916) 734-2583

Enumeration date Aug 6, 2013

Last updated in NPPES Aug 6, 2013

Taxonomy & classification

281P00000X Chronic Disease Hospital Hospitals · License 27572 (CA) Primary

Authorized official

Name Theresa Arciniega

Title Chief Lcsw

Phone (916) 734-3471

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

Who is the authorized official for University of California, Davis?

NPPES lists Theresa Arciniega (Chief Lcsw) as the authorized official for this organization.

What is the NPI number for University of California, Davis?

The NPI for University of California, Davis is 1235561879, a Type 2 (organization) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-08-06.