Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John P Dunn, MD

Q: What is the NPI number for John Dunn?

The National Provider Identifier (NPI) for John Dunn is 1639163702, a Type 1 (individual) record in the CMS NPPES registry.

Orthopaedic Surgery Physician in Gillette, WY · enumerated 2005.

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

National Provider Identifier

1639163702

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Registry record

Entity type Individual (Type 1)

Name Dr. John P Dunn

Credential MD

Sex Male

Practice address 508 Stocktrail Ave, Suite A, Gillette, WY, 82716

Phone (307) 686-1413

Fax (307) 682-1113

Enumeration date Sep 6, 2005

Last updated in NPPES Nov 1, 2007

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 6434A (WY) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
310436	Other	WY	BCBS
1639163702	Medicaid	WY	-

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

What is the NPI number for John Dunn?

The National Provider Identifier (NPI) for John Dunn is 1639163702, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Dunn practice?

The practice location on file with NPPES is in Gillette, WY. 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 2007-11-01.