Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Leland Paul Werner, D.O.

Adult Medicine Physician in Camarillo, CA · enumerated 2006.

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

National Provider Identifier

1174596894

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Registry record

Entity type Individual (Type 1)

Name Dr. Leland Paul Werner

Credential D.O.

Sex Male

Practice address 342 Avenida Valencia, Camarillo, CA, 93012

Phone (805) 759-9959

Enumeration date Feb 13, 2006

Last updated in NPPES Mar 3, 2025

Taxonomy & licenses

207QA0505X Adult Medicine Physician Allopathic & Osteopathic Physicians · License 20A6933 (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

What is the NPI number for Leland Werner?

The National Provider Identifier (NPI) for Leland Werner is 1174596894, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leland Werner practice?

The practice location on file with NPPES is in Camarillo, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-03.