Charles S Ahn, MD
37 Patient Reviews

Charles S Ahn, MD

Ophthalmologist - General

Highlights

  • Board Certified

Biography

DuPage Medical Group is now Duly Health and Care. We have a singular focus - helping humans flourish. As the largest independent, multi-specialty physician-directed medical group in the Midwest with m… Read more ›

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Very good service…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
Seoul Natl University- College of Medicine- Chongno-Ku- Seoul- So KoreaOther Degree1961
University of Michigan Medical SchoolMedical Degree1993

InstitutionFocusYear
Internship - St Joseph Mercy Hospital Of Ann Arbor1994
Residency - University Of Illinois At Chicago1994
Residency - Columbus-Cuneo-Cabrini Mc, Internal Medicine; Huron Hospital -Cleveland Clinic, Internal Medicine; Vet Affairs Medical Center, Internal Medicine; St Michael'S Medical Center, Internal Medicine; St Michael'S Medical Center, Flexible Or Transitional YearNot Specified

CertificationCert. BodyYear
Nuclear MedicineNuclear MedicineNot Specified

Practice & Hospital Affiliations

  • Edward Hospital
       Naperville, Illinois - 60540

Photos

Provider Profile 0Provider Profile 1

Specialties

Languages Spoken
English
Medical Specialties
  • Ophthalmologist

Internal Medicine

Years In Practice: 26 (started in 2000)

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5
Number of Reviews: 37
Most Recent Review: 02/03/2026
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Office & Staff Evaluation

Ease of Getting an Appointment
Courtesy of Practice Staff Not rated
Office Appearance & Atmosphere Not rated
Handling of Billing Matters Not rated
Average Wait Time Not Rated

Provider Evaluation

Listening Skills
Clear Explanations
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Verified Patient

Very good service...

Very good service

Anonymous 02/03/2026
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Verified Patient

The staff and doctor were extrem...

The staff and doctor were extremely helpful and informative about the exam and about the treatment I will be having

Anonymous 01/15/2026
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Verified Patient

Excellent staff!Dr Ahn did not d...

Excellent staff!Dr Ahn did not disappoint - very thoughtful & professional without being too clinical - amazing MD - patiently answered ?'s - was not dismissive, but was thorough, kind, helpful, - such a refreshing experience from a brilliant, seasoned MD - Duly Health Care is vey fortunate to have him. He never acted rushed or like my questions were not important &'he took time to address them and explain the procedure I decided to have him do.

Anonymous 11/12/2025
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Verified Patient

Dr. Ahn is a wonderful communica...

Dr. Ahn is a wonderful communicator and an excellent Ophthalmologist. You are lucky to have him. Treat him well.

Anonymous 11/09/2025
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Verified Patient

Very welcoming and friendly....

Very welcoming and friendly.

Anonymous 08/21/2025
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Verified Patient

Dupage medical group is the best...

Dupage medical group is the best

Anonymous 01/17/2026
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Verified Patient

Dr. Ahn provides clear explanati...

Dr. Ahn provides clear explanations of his thorough examinations. He gives clear answers to questions.

Anonymous 12/07/2025
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Verified Patient

Dr. Ahn is the best for cataract...

Dr. Ahn is the best for cataract surgery and follow-up

Anonymous 11/12/2025
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Verified Patient

Dr. Ahn understood at once what ...

Dr. Ahn understood at once what the problem was with my eye and was able to correct it immediately.

Anonymous 10/01/2025
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Verified Patient

Dr Ahn is an exceptional physici...

Dr Ahn is an exceptional physician. He has an excellent bedside manner and he has excellent interpersonal skills. He is an expert in his field and he Is able to explain the process and expectations of cataract surgery so everything was easy for me to understand.

Anonymous 08/15/2025
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Practice Colleagues

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Kaitlyn Helgeson, MSN, APN, FNP-BC   -   Nurse Practitioner
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Mallory Norton, APN   -   Family Medicine Physician, Nurse Practitioner
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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Charles S Ahn, MD has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Charles S Ahn, MD has not yet specified the insurance plans he accepts.
     

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