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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (5)

The overall average patient rating of Dr. John Koh is Good. Dr. Koh has been reviewed by 21 patients who have provided 5 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 3.9
Courteous Staff 4.2
Accurate Diagnosis 3.9
Bedside Manner 3.7
Spends Time with Me 3.8
Follows Up After Visit 3.3

Specialties & Research

Dr. John Koh, MD is board certified in Ophthalmology.

  • He has special expertise in 1 area:
  • Plastic Surgery (Cosmetic & Reconstructive Surgery)

Education & Awards

Dr. Koh graduated from University of Louisville . He has 2 awards.

Patients' Choice Award (2008 - 2009, 2011 - 2012)
Compassionate Doctor Recognition (2011)


Dr. Koh has 18 hospital affiliations:

  • DMC - Sinai-Grace Hospital 
  • Beaumont Hospital,Troy 


  • Russian

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Additional Information
Dr. John Y Koh MD is a male Ophthalmologist, has 21 years of experience and practices in Ophthalmology.
Where does Dr. John Y. Koh practice?
Dr. John Koh has 1 office location.
Dr. John Koh practices Ophthalmology near Bloomfield Hills, MI.
See Bloomfield Hills Ophthalmologists.