Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Michael Vlases, MD

Internal Medicine Physician in Bozeman, MT · enumerated 2006 · practices at Bozeman Gastroenterology, PC.

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

National Provider Identifier

1073521654

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Registry record

Entity type Individual (Type 1)

Name Dr. Michael Vlases

Credential MD

Sex Male

Practice address 931 Highland Blvd Ste 3350, Bozeman, MT, 59715

Phone (406) 414-5331

Enumeration date Aug 3, 2006

Last updated in NPPES Apr 9, 2025

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 10638 (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
P00218213	Other	-	MEDICARE RAILROAD
000098685	Other	MT	BLUE CROSS OF MT
0089080	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 Michael Vlases?

The National Provider Identifier (NPI) for Michael Vlases is 1073521654, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Vlases practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-09.