Summary

Dr. Charles Ahn is a board-certified ophthalmologist with an impressive 65 years of medical experience. He earned his medical degree from the University of Michigan Medical School and completed his residency training at St. Joseph Mercy Hospital of Ann Arbor and the University of Illinois at Chicago in 1994. Dr. Ahn holds certification in Nuclear Medicine from the American Board of Nuclear Medicine, bringing specialized expertise to his ophthalmology practice. He provides care to patients in English.

Dr. Ahn practices at Advocate Good Samaritan Hospital and sees patients at Duly Health and Care locations in Naperville and Downers Grove, Illinois. His clinical expertise focuses on treating cataracts, posterior vitreous detachment, and diabetic eye disease. He performs comprehensive eye exams, retinal imaging, and sedation procedures to ensure patient comfort during treatment. Patients rate Dr. Ahn 4.6 out of 5 stars for his ophthalmology care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.6
  • 65 years of experience
  • 12 insurance plans accepted
  • speaks English
  • Columbus-Cuneo-Cabrini Mc, Internal Medicine; Huron Hosp -Cleveland Clinic, Internal Medicine; Vet Affairs Med Ctr, Internal Medicine; St Michael'S Med Ctr, Internal Medicine; St Michael'S Med Ctr, Flexible Or Transitional Year
  • 27 written reviews
  • 1 award
  • 1 specialty
  • 11 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

  • Click for our Methodology

Office Locations

Charles S Ahn has 2 locations

Duly Health and Care

808 Rickert DrNaperville, IL 60540

Duly Health and Care

1327 Butterfield RdDowners Grove, IL 60515

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Charles S Ahn, MD
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Charles S Ahn, MDDr. Sunil Raichand, MDDr. Patricia Louise Davis, MDDr. Puwat Charukamnoetkanok
OphthalmologyOphthalmologyOphthalmologyOphthalmology
Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
3.7 
4.5 
65 Years of Experience 39 Years of Experience 28 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English, Spanish Speaks English
Naperville , ILDowners Grove , ILLisle , ILPittsburgh , PA
Med School: University of Michigan Medical School Med School: Perelman School Of Medicine At University Of Pennsylvania Med School: University Of Rochester School Of Medicine & Dentistry
Current Profile
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Insurance Plans Accepted by Charles S Ahn

  • Aetna
  • Blue Cross Blue Shield of Illinois
  • Cigna
  • Humana
  • Humana - Medicare (Advantage HMO)
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • North Shore LIJ CareConnect
  • North Shore LIJ CareConnect - IPA
  • Oscar Health Insurance
  • UnitedHealthcare

Medical Specialties

Charles S Ahn has the following specialty

Specialty Expertise

Charles S Ahn has the following 11 areas of expertise

  • Blindness
  • Cataract
  • Cataract Surgery
  • Corneal Diseases
  • Diabetic Retinopathy
  • Eye Exam
  • Eye Pain
  • Glaucoma
  • Lasik Surgery
  • Macular Degeneration
  • Vision Issues

Certifications, License, & Education

65 Years Experience

Charles S Ahn holds an active medical license in the state of Illinois. They are board certified in Nuclear Medicine by the American Board of Nuclear Medicine.

Board Certifications

Board certified in Nuclear Medicine by the American Board of Nuclear Medicine.

Medical License

Medical Doctor with an active medical license in the state of Illinois that expires in 2026.

Education & Training

Residency

Completed their residency at Columbus-Cuneo-Cabrini Mc, Internal Medicine; Huron Hosp -Cleveland Clinic, Internal Medicine; Vet Affairs Med Ctr, Internal Medicine; St Michael'S Med Ctr, Internal Medicine; St Michael'S Med Ctr, Flexible Or Transitional Year, St Joseph Mercy Hospital Of Ann Arbor in 1994, and University Of Illinois At Chicago in 1994.

Medical School

Graduated from University of Michigan Medical School in 1993 and Seoul Natl Univ- Coll Of Med- Chongno-Ku- Seoul- So Korea in 1961.

NPI Number

Charles S Ahn's NPI number is 1942260278.

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Frequently Asked Questions

Does Charles Ahn accept my insurance?
You can see the insurance plans that Charles Ahn accepts on their Vitals profile.
Is Charles Ahn accepting new patients?
Charles Ahn is accepting new patients on Vitals. View Charles Ahn's profile on Vitals to make an appointment.
How can I make an appointment with Charles Ahn?
You can find contact information for Charles Ahn here on Vitals.
Which hospitals is Charles Ahn affiliated with?
Charles Ahn is affiliated with Advocate Good Samaritan Hospital.
What languages does Charles Ahn speak?
Charles Ahn speaks English.

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