Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Tomi Donnell O'Neill, MS ATC
Athletic Trainer in Oswego, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1093886129
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Registry record
Entity type Individual (Type 1)
Name Mrs. Tomi Donnell O'Neill
Credential MS ATC
Sex Female
Practice address 1525 Harvey Rd, Oswego, IL, 60543
Phone (630) 636-2341
Enumeration date Nov 12, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 96001141 (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 Tomi O'Neill practice?
The practice location on file with NPPES is in Oswego, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Tomi O'Neill?
The National Provider Identifier (NPI) for Tomi O'Neill is 1093886129, 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 2007-07-08.