Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Martin K Gelbke, MD

Adult Reconstructive Orthopaedic Surgery Physician in Bozeman, MT · enumerated 2007.

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

National Provider Identifier

1932324860

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Registry record

Entity type Individual (Type 1)

Name Martin K Gelbke

Credential MD

Sex Male

Practice address 1450 Ellis St, Suite 201, Bozeman, MT, 59715

Phone (406) 587-0122

Fax (406) 587-5548

Enumeration date Apr 16, 2007

Last updated in NPPES Jul 30, 2012

Taxonomy & licenses

207XS0114X Adult Reconstructive Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 12641 (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
1932324860	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 specialty is Martin Gelbke?

Martin Gelbke is registered in NPPES with the primary taxonomy of Adult Reconstructive Orthopaedic Surgery Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-07-30.