Dr. Koh is very patient and kind.

Dr. Koh is attentive and helpful. Whenever I put a question in the portal he or a nurse will respond.

Dr. Koh is always well prepared for my appointments. He knows my health history. He is providing excellent care. He keeps my appts on time, is thorough and answers any questions I may have about tests, medications or follow-up care.

Fantastic physician. Knowledgeable, explained everything well, empathetic. Advocate has a great physician in their group.

Dr Koh is amazing!!!

Great experience, all the way around. From the front desk, medical assistant and of course Dr. Koh.

Very prompt- no waiting at all. Dr. Koh takes time to answer all my questions and definitely listens to my concerns, Would definitely recommend him!

Dr Koh is one of the most caring doctors I have ever encountered in my 78 yrs of life. He and his staff can be depended upon for quality health care. I am blessed to be a patient in this practice.

I wish that more doctors would be like Dr. CHUNG KOH! Very professional, knowledgeable and kind. Thank you, Doctor.

Koy is the best. Very concerned and caring. Smart knows his stuff.