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Provider Directory

John M. Hahn, MD, FACS

Facilities CGH Vision Center
Status Active
Medical school Northwestern University Feinberg School of Medicine, Chicago, IL
Internship St. Luke's Medical Center, Cleveland, OH
Residency Cleveland Clinic Foundation, Cole Eye Institute, Cleveland, OH
Undergraduate School Northwestern University, Evanston, IL
Medical group memberships
  • American Academy of Ophthalmology
  • American College of Surgeons
  • American Society of Cataract and Refractive Surgeons
Board certification

American Board of Ophthalmology

Guide to Patient Experience Surveys and Ratings

CGH Medical Center values the relationships we have with our patients and their loved ones. As part of our commitment to you, we now post our physicians’ patient experience ratings online.

To assist you, we’ve developed this guide to help patients, family members and those considering appointments with our physicians and providers, so you can understand how we capture and report our patient experience ratings.

Patient rating breakdown

Patient comments

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* - indicates the provider is not an employee of CGH Medical Center.