Quick, easy friendly!

Great doctor! Very professional

Dr. Koo is the Marcus Welby of Advocate!

So confident in Dr Koo's medical judgment and skills and so impressed and appreciative of his show a real concern that I understand and feel comfortable with my health needs

Dr. Koo is wonderful! He is extremely competent, thorough, has excellent interpersonal skills and efficient. I am impressed.

Thank you Dr.Koo for always knowing what to do. I appreciate your attentiveness, thoroughness and professionalism. Have an amazing weekend.

Dr. Koo is a wonderful physician. He is very thorough. Thoughtful of my questions and concerns. He is truly an example of what good medical care should be.

Dr. Koo and his staff provide excellent care. I felt totally at ease and fully informed throughout the entire visit.

Great attention to detail!

Dr. Koo is fantastic! He took time to answer all my questions.