Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Jason W Day, ATC
Athletic Trainer in Oswego, IL · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1942592084
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Registry record
Entity type Individual (Type 1)
Name Jason W Day
Credential ATC
Sex Male
Practice address 4511 Route 71, Oswego, IL, 60543
Phone (630) 554-7815
Enumeration date May 9, 2011
Last updated in NPPES May 9, 2011
Taxonomy & licenses
2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 096-003020 (IL) 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 Jason Day?
The National Provider Identifier (NPI) for Jason Day is 1942592084, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jason Day practice?
The practice location on file with NPPES is in Oswego, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Aaron Brossett Athletic Trainer · Oswego, IL NPI 1013970011 David Griffiths Physical Therapist · Oswego, IL NPI 1619078243 Paula Savino Physical Therapist · Oswego, IL NPI 1225117732 Nathan Ryndak Physical Therapist · Oswego, IL NPI 1770700338 Steven Haake Physical Therapist · Oswego, IL NPI 1851583355 Ashley Wright Physical Therapist · Oswego, IL NPI 1508007030 Ryan Holehan Physical Therapist · Oswego, IL NPI 1316266810 Joseph Caricato Physical Therapist · Oswego, IL NPI 1013228881
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-05-09.