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Locations

Downers Grove

1327 Butterfield RoadDowners Grove, Illinois 60515
630-322-8300

Naperville

808 Rickert DriveNaperville, Illinois 60540
630-322-8300

About Charles S. Ahn, MD

Philosophy of Care

I believe in treating patients with their best interest in mind and to treat them with compassion as I would want to be treated. I strive to utilize the latest in technology, techniques and expertise in managing patients to obtain the best possible outcomes.

Personal Interests

Spending time with my family, Humanitarian work involving mission trips to provide both medical and surgical care to those in need, Tennis, Golf, Skiing, Ice hockey

Languages

English

Korean

Memberships

American Academy of Ophthalmology

American Society of Cataract and Refractive Surgery

Illinois Association of Ophthalmology

International Society of Refractive Surgery

Clinical Interests

Complex cataract surgeries, Corneal transplantations, Refractive surgery

Awards & Accolades

Chicago Magazine, Top Doctors

2022

Resident Research Fellowship, University of Illinois

2000

Education
Schools
University of MichiganGraduation Date: 1993Degree: MD
Residency
University of Illinois at ChicagoResident in Ophthalmology
Fellowships
University of Utah, John Moran Eye CenterCornea, External Disease and Refractive Surgery
Internships
St. Joseph Mercy HospitalInternal Medicine
Clinical Expertise
Procedures
Cataract Evaluation and Surgery
Cornea Transplant Surgery
DALK
DMEK
DSAEK
ICL Surgery
Phacoemulsification & Intraocular Lens Implants
PKP
PRK
Pterygium Surgery
Refractive Surgery
YAG Laser Iridotomy and Capsulotomy
Conditions
Eye Infections
Ocular Trauma

Ratings and Comments

Comments are collected in our Press Ganey Patient Satisfaction Surveys. Patients are de-identified to protect confidentiality and patient privacy. Learn more about our patient satisfaction survey.

Dr. Ahn is simply the best! Period!

5

Apr 18, 2025

Excellent physician along with excellent staff.

5

Apr 16, 2025

Great experience, would highly recommend Dr. To others, very personable and down to earth. I liked him a lot.

5

Apr 16, 2025

Excellent care.

5

Apr 8, 2025

I recommend many times

5

Apr 5, 2025

Patient Satisfaction Rating

4.8

576 Reviews

The Patient Satisfaction Rating score is an average of all responses to care provider related questions on our independent rating system, the Press Ganey Patient Satisfaction Survey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Learn more about our patient satisfaction survey.

Contact Us
Need Help?
Corporate Mailing Address1100 W 31st Street
Downers Grove, Illinois 60515
Main Line - (630) 469 9200Billing Customer Service - (866) 734 7680
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