Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nicholas Cho Ahn, MD

Individual provider Internal Medicine Physician · NPI 1376983346

Nicholas Cho Ahn, MD is an Internal Medicine in Springfield, Illinois. Graduated from Michigan State University College of Human Medicine in 2013, 13 years ago. Practices with Wayne Memorial Community Health Centers, a 45-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Michigan.

Years since qualifying
13
Trained at
Michigan State University College of Human Medicine
Licensed in
IL, MI
In the registry since
2013
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

751 N Rutledge St Ste 1100
Springfield, IL 62702
Phone: (217) 545-8000
Fax: (217) 545-4735
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5629 Stadium Dr Ste B, Kalamazoo, MI 49009-1952 — (269) 544-3270

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036-141124 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301114315 (MI)
Psychiatry Physician Taxonomy 2084P0800X · Licence 125.064175 (IL)

Record details

NPI number1376983346
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2013
Last updated in NPPESJune 5, 2018
Mailing addressPo Box 19648, Springfield, IL 62794-9648

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 2013 (13 years in practice)
Group practice Wayne Memorial Community Health Centers — 45 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Springfield