Browse Health
Ophthalmologist (eyes)
29 years of experience
Accepting new patients
Video profile
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 (11)

The overall average patient rating of Dr. Colin Ma is Below Average. Dr. Ma has been reviewed by 16 patients who have provided 11 comments. The rating is 2 out of 5 stars.

Patient Ratings
Ease of Appointment 3.1
Promptness 2.4
Courteous Staff 3.0
Accurate Diagnosis 3.2
Bedside Manner 1.7
Spends Time with Me 1.6
Follows Up After Visit 1.8

Specialties & Research

Dr. Colin Ma, MD is board certified in Ophthalmology.

  • He has special expertise in 2 areas:
  • Retina Surgery
  • Retinal Disorders

Education & Awards

Dr. Ma graduated from University Of Oxford, England.


Dr. Ma has 7 hospital affiliations:

  • Providence St Vincent Medical Center 
  • Providence Portland Medical Center 


  • Chinese
  • French

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Additional Information
Dr. Colin Ma MD is a male Ophthalmologist, has 29 years of experience and practices in Ophthalmology.
Where does Dr. Colin Ma practice?
Dr. Colin Ma has 1 office location.
Dr. Colin Ma practices Ophthalmology near Portland, OR.
See Portland Ophthalmologists.