Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Charles F Rinker, MD

Surgery Physician in Bozeman, MT · enumerated 2005.

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

National Provider Identifier

1568467744

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Registry record

Entity type Individual (Type 1)

Name Dr. Charles F Rinker

Credential MD

Sex Male

Practice address 925 Highland Blvd, Ste 1200, Bozeman, MT, 59715

Phone (406) 587-0704

Fax (406) 587-1147

Enumeration date Jun 15, 2005

Last updated in NPPES Oct 9, 2007

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 4000 (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
0048568	Medicaid	MT	-

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 Charles Rinker?

The National Provider Identifier (NPI) for Charles Rinker is 1568467744, a Type 1 (individual) record in the CMS NPPES registry.

Where does Charles Rinker practice?

The practice location on file with NPPES is in Bozeman, MT. 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 2007-10-09.