Internal Medicine
NICHOLAS AHN M.D.
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1376983346 · enumerated 2013-07-05 · record updated 2018-06-05. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Practice location 751 N RUTLEDGE ST, SUITE 1100, SPRINGFIELD, IL, 62702 (217) 545-8000 Fax (217) 545-4735 Google Maps Apple Maps OpenStreetMap
- Mailing address PO BOX 19648, SPRINGFIELD, IL, 62794-9648 (217) 545-8000 Fax (217) 545-4735 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine 207R00000X · License 4301114315 MI
- Psychiatry & Neurology, Psychiatry 2084P0800X · License 125.064175 IL
- Internal Medicine 207R00000X · Primary · License 036-141124 IL
In this directory
Locations and evidence
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Practice location
SPRINGFIELD, IL, 62702
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.