Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Patrick T Armstrong, PA-C
Physician Assistant in Chester, MT · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1063468015
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Registry record
Entity type Individual (Type 1)
Name Mr. Patrick T Armstrong
Credential PA-C
Sex Male
Practice address 418 West Monroe, Chester, MT, 59522
Phone (406) 759-5181
Fax (406) 759-5105
Enumeration date May 25, 2006
Last updated in NPPES Feb 19, 2024
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 129 (MT) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0066417 | 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.
Frequently asked questions
Where does Patrick Armstrong practice?
The practice location on file with NPPES is in Chester, MT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Patrick Armstrong?
The National Provider Identifier (NPI) for Patrick Armstrong is 1063468015, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-19.