Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ann Castellano, DPT

Physical Therapist in Littleton, CO · enumerated 2016.

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

National Provider Identifier

1366992018

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Registry record

Entity type Individual (Type 1)

Name Ann Castellano

Credential DPT

Sex Female

Practice address 3 Bellflower, Littleton, CO, 80127

Phone (303) 918-5198

Enumeration date Oct 6, 2016

Last updated in NPPES Oct 6, 2016

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 14292 (CO) Primary

DPT · Doctor of Physical Therapy: A physical therapist holding the clinical doctorate now standard for the profession. About the DPT 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 Ann Castellano?

The National Provider Identifier (NPI) for Ann Castellano is 1366992018, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ann Castellano practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-10-06.