Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Justin Michael Delange, D.O.

Neurology Physician in Flagstaff, AZ · enumerated 2012 · practices at Southwest Heart and Lung Flagstaff.

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

National Provider Identifier

1689923096

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Registry record

Entity type Individual (Type 1)

Name Dr. Justin Michael Delange

Credential D.O.

Sex Male

Practice address 1215 N Beaver St, Flagstaff, AZ, 86001

Phone (928) 773-2200

Fax (928) 773-2300

Enumeration date Aug 30, 2012

Last updated in NPPES Apr 2, 2021

Taxonomy & licenses

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 56301 (MN) Secondary

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 006389 (AZ) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
927239	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 Justin Delange?

The National Provider Identifier (NPI) for Justin Delange is 1689923096, a Type 1 (individual) record in the CMS NPPES registry.

Where does Justin Delange practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-04-02.