Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Dayton Hunter, M.D.

Internal Medicine Physician in Glendive, MT · enumerated 2005.

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

National Provider Identifier

1861485187

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Registry record

Entity type Individual (Type 1)

Name Dr. John Dayton Hunter

Credential M.D.

Sex Male

Practice address 107 Dilworth St, Glendive, MT, 59330

Phone (406) 345-8901

Enumeration date Aug 23, 2005

Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License AA2921 (AK) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 4511 (MT) 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
MD5950	Medicaid	AK	-

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

Is NPI 1861485187 active?

Yes, as of the latest NPPES snapshot, NPI 1861485187 is active (record last updated 2022-07-21).

How do I verify John Hunter's NPI record?

Cross-check NPI 1861485187 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.