Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Duane Korthuis, ATC
Athletic Trainer in Lynden, WA · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1295151900
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Registry record
Entity type Individual (Type 1)
Name Duane Korthuis
Credential ATC
Sex Male
Practice address 1201 Bradley Rd., Lynden High School, Lynden, WA, 98264
Phone (360) 354-5387
Enumeration date Mar 6, 2014
Last updated in NPPES Mar 6, 2014
Taxonomy & licenses
2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License A1 60045559 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
What is the NPI number for Duane Korthuis?
The National Provider Identifier (NPI) for Duane Korthuis is 1295151900, a Type 1 (individual) record in the CMS NPPES registry.
Where does Duane Korthuis practice?
The practice location on file with NPPES is in Lynden, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-03-06.