Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Cynthia L Luther, LCRT,MBA

Pulmonary Diagnostics Certified Respiratory Therapist in Denver, CO · enumerated 2007.

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

National Provider Identifier

1508982059

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Registry record

Entity type Individual (Type 1)

Name Ms. Cynthia L Luther

Credential LCRT,MBA

Sex Female

Practice address 1601 E 19th Ave, Suite 3800, Denver, CO, 80218

Phone (303) 869-2120

Fax (303) 869-1950

Enumeration date Mar 22, 2007

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

2278E1000X Educational Certified Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 1479 (CO) Secondary

2278P1004X Pulmonary Diagnostics Certified Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 1479 (CO) Primary

Other identifiers

Identifier	Type	State	Issuer
1479	Other	CO	LISCENCE NUMBER

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 Cynthia Luther?

Cynthia Luther is registered in NPPES with the primary taxonomy of Pulmonary Diagnostics Certified Respiratory Therapist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Matthew Breeden Obstetrics & Gynecology Physician · Denver, CO NPI 1508864455 Victor Schramm Otolaryngology Physician · Denver, CO NPI 1538161096 Pediatric Otolaryngology, Head and Neck Surgery, P.C. Specialist · Denver, CO NPI 1487644571 Nigel Pashley Specialist · Denver, CO NPI 1780674887 Rocky Mountain Pediatric Surgery, P.C Specialist · Denver, CO NPI 1104817055 Cynthia Kelly Orthopaedic Surgery Physician · Denver, CO NPI 1487635173 Rhonda Haver Surgical Physician Assistant · Denver, CO NPI 1174504948 Ross Wilkins Orthopaedic Surgery Physician · Denver, CO NPI 1629059308

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.