Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joseph James Joslyn, PA

Medical Physician Assistant in Great Falls, MT · enumerated 2006.

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

National Provider Identifier

1427083948

Verified

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Registry record

Entity type Individual (Type 1)

Name Joseph James Joslyn

Credential PA

Sex Male

Practice address 601 1st Ave N, Great Falls, MT, 59401

Phone (406) 454-6973

Fax (406) 791-9277

Enumeration date Jul 12, 2006

Last updated in NPPES Oct 1, 2025

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License MED-PAC-LIC-453 (MT) Primary

PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Joseph Joslyn?

The National Provider Identifier (NPI) for Joseph Joslyn is 1427083948, a Type 1 (individual) record in the CMS NPPES registry.

Where does Joseph Joslyn practice?

The practice location on file with NPPES is in Great Falls, 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 2025-10-01.