Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Leslie Ann Mazur, PA

Q: What is the NPI number for Leslie Mazur?

The National Provider Identifier (NPI) for Leslie Mazur is 1568418432, a Type 1 (individual) record in the CMS NPPES registry.

Medical Physician Assistant in Littleton, CO · enumerated 2006.

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

National Provider Identifier

1568418432

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Registry record

Entity type Individual (Type 1)

Name Ms. Leslie Ann Mazur

Credential PA

Sex Female

Practice address 1420 W Canal Ct, Suite 50, Littleton, CO, 80120

Phone (303) 795-2030

Fax (303) 795-2153

Enumeration date May 25, 2006

Last updated in NPPES Feb 1, 2010

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA2034 (CO) Primary

PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA 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 Leslie Mazur?

The National Provider Identifier (NPI) for Leslie Mazur is 1568418432, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leslie Mazur practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-02-01.