Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Alexander Horne

Anesthesiology Physician in Missoula, MT · enumerated 2014.

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

National Provider Identifier

1679983456

Verified

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Registry record

Entity type Individual (Type 1)

Name Alexander Horne

Sex Male

Practice address Missoula, MT, 59808

Phone (406) 728-8420

Fax (406) 541-8430

Enumeration date May 2, 2014

Last updated in NPPES Aug 7, 2019

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207LC0200X Critical Care Medicine (Anesthesiology) Physician Allopathic & Osteopathic Physicians · License 77692 (MT) Secondary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 77692 (MT) Primary

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 Alexander Horne?

The National Provider Identifier (NPI) for Alexander Horne is 1679983456, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alexander Horne practice?

The practice location on file with NPPES is in Missoula, 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 2019-08-07.