Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Riley Mattheis
Physical Therapist in Wishek, ND · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1922839927
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Registry record
Entity type Individual (Type 1)
Name Mr. Riley Mattheis
Sex Male
Practice address Po Box 647, Wishek, ND, 58495
Phone (701) 452-2326
Enumeration date Aug 12, 2024
Last updated in NPPES Aug 12, 2024
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 2765 (ND) 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.
Frequently asked questions
Where does Riley Mattheis practice?
The practice location on file with NPPES is in Wishek, ND. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Riley Mattheis?
The National Provider Identifier (NPI) for Riley Mattheis is 1922839927, 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 2024-08-12.