Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Cedar Diagnostics, LLC

Clinical Medical Laboratory in Durango, CO · enumerated 2010 · authorized official Athanassios Papaioanu, President & Ceo.

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

National Provider Identifier

1235455338

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Registry record

Entity type Organization (Type 2)

Legal business name Cedar Diagnostics, LLC

Practice address 555 Rivergate Ste B2-136, Durango, CO, 81301

Phone (970) 247-0937

Fax (970) 247-9579

Enumeration date Apr 14, 2010

Last updated in NPPES Dec 29, 2021

Taxonomy & classification

291U00000X Clinical Medical Laboratory Laboratories · License 06D1065912 (CO) Primary

Authorized official

Name Athanassios Papaioanu

Title President & Ceo

Phone (615) 916-3200

Other identifiers

Identifier	Type	State	Issuer
06D1065912	Other	CO	CLIA

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

Where is Cedar Diagnostics, LLC located?

The practice location on file with NPPES is in Durango, CO.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2021-12-29. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-29.