Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Diana Kathleen Callahan, MSPT
Physical Therapist in Golden, CO · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1275791519
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Registry record
Entity type Individual (Type 1)
Name Mrs. Diana Kathleen Callahan
Credential MSPT
Sex Female
Practice address 660 Golden Ridge Rd, Suite 250, Golden, CO, 80401
Phone (303) 274-7321
Fax (303) 233-8755
Enumeration date May 22, 2008
Last updated in NPPES Mar 24, 2015
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 9404 (CO) Primary
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.
Frequently asked questions
Where does Diana Callahan practice?
The practice location on file with NPPES is in Golden, CO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Diana Callahan?
The National Provider Identifier (NPI) for Diana Callahan is 1275791519, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Timothy Lehman Orthopaedic Surgery Physician · Golden, CO NPI 1497752307 Robert Thomas Orthopaedic Surgery Physician · Golden, CO NPI 1164422473 Victoria Perkins Occupational Therapist · Golden, CO NPI 1023007804 Ronald Hugate Orthopaedic Surgery Physician · Golden, CO NPI 1275514960 Kimberly Madden Physician Assistant · Golden, CO NPI 1366426017 Mark Laurnen Anesthesiology Physician · Golden, CO NPI 1679558365 Melinda Belcher Physician Assistant · Golden, CO NPI 1881668044 Charles Gottlob Sports Medicine (Orthopaedic Surgery) Physician · Golden, CO NPI 1003878083
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-03-24.