Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gregory T Mills, PT

Physical Therapist in Lone Tree, CO · enumerated 2007.

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

National Provider Identifier

1629112404

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Registry record

Entity type Individual (Type 1)

Name Gregory T Mills

Credential PT

Sex Male

Practice address 10240 Park Meadows Dr, Lone Tree, CO, 80124

Phone (303) 338-4545

Enumeration date Feb 16, 2007

Last updated in NPPES Jun 7, 2021

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 4029 (CO) Primary

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

Other identifiers

Identifier	Type	State	Issuer
006986	Other	-	KAISER-COMMERCIAL NUMBER
33585547	Medicaid	CO	-

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

What specialty is Gregory Mills?

Gregory Mills is registered in NPPES with the primary taxonomy of Physical Therapist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-06-07.