Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark Charles Navilliat, PT

Specialist in Aurora, CO · enumerated 2006.

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

National Provider Identifier

1972543197

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Registry record

Entity type Individual (Type 1)

Name Mark Charles Navilliat

Credential PT

Sex Male

Practice address 3451 S Chambers Rd, Aurora, CO, 80014

Phone (303) 680-6121

Fax (303) 680-8627

Enumeration date Jun 7, 2006

Last updated in NPPES Jul 10, 2013

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 2458 (CO) Primary

PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation. About the PT 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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Mark Navilliat?

Mark Navilliat is registered in NPPES with the primary taxonomy of Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-07-10.