Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark H Nilles, ATC, CSCS, CES, PES
Athletic Trainer in Aurora, IL · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1740587567
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Registry record
Entity type Individual (Type 1)
Name Mark H Nilles
Credential ATC, CSCS, CES, PES
Sex Male
Practice address 1221 N Highland Ave, Aurora, IL, 60506
Phone (630) 264-8966
Enumeration date Feb 14, 2011
Last updated in NPPES Apr 4, 2016
Taxonomy & licenses
2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 096001654 (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
Where does Mark Nilles practice?
The practice location on file with NPPES is in Aurora, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Nilles?
The National Provider Identifier (NPI) for Mark Nilles is 1740587567, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-04-04.