Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Robert A Mackin, MD Dba Northern Arizona Sleep Lab

Clinical Medical Laboratory in Flagstaff, AZ · enumerated 2008 · authorized official Robert Mackin, Owner.

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

National Provider Identifier

1649444282

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Registry record

Entity type Organization (Type 2)

Legal business name Robert A Mackin, MD Dba Northern Arizona Sleep Lab

Practice address 77 W Forest Ave Ste 205, Flagstaff, AZ, 86001

Phone (928) 773-1748

Fax (928) 773-9022

Enumeration date Apr 15, 2008

Last updated in NPPES Sep 16, 2008

Taxonomy & classification

291U00000X Clinical Medical Laboratory Laboratories · License 17570 (AZ) Primary

Authorized official

Name Robert Mackin

Title Owner

Phone (928) 773-1748

Other identifiers

Identifier	Type	State	Issuer
AZ0257580	Other	AZ	BLUE CROSS
913807	Medicaid	AZ	-

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 Robert A Mackin, MD Dba Northern Arizona Sleep Lab?

The NPI for Robert A Mackin, MD Dba Northern Arizona Sleep Lab is 1649444282, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Robert A Mackin, MD Dba Northern Arizona Sleep Lab?

NPPES lists Robert Mackin (Owner) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-09-16.