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Dr. Brian Michael Sullivan, MD

Family Medicine Physician in Baker, MT · enumerated 2008.

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

National Provider Identifier

1972761252

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Registry record

Entity type Individual (Type 1)
Name Dr. Brian Michael Sullivan
Credential MD
Sex Male
Practice address 202 S 4th St W, Baker, MT, 59313
Phone (406) 778-2833
Fax (406) 778-5355
Enumeration date May 23, 2008
Last updated in NPPES Jan 25, 2021

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 49845 (MT) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 Brian Sullivan?
The National Provider Identifier (NPI) for Brian Sullivan is 1972761252, a Type 1 (individual) record in the CMS NPPES registry.
Where does Brian Sullivan practice?
The practice location on file with NPPES is in Baker, 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 2021-01-25.