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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 (0)

The overall average patient rating of Dr. John Harper is Good. Dr. Harper has been reviewed by 1 patients who have provided 0 comments. The rating is 3.5 out of 5 stars.

Specialties & Research

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

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

Education & Awards

Dr. Harper graduated from The University of Texas at Galveston.


Dr. Harper has 9 hospital affiliations:

  • St Luke's Baptist Hospital 
  • CHRISTUS Santa Rosa Hospital 


  • Spanish
  • French

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Additional Information
Dr. John Yerkes Harper MD is a male Ophthalmologist and practices in Ophthalmology.
Where does Dr. John Y. Harper practice?
Dr. John Harper has 2 office locations.
Dr. John Harper practices Ophthalmology near San Antonio, TX.
See San Antonio Ophthalmologists.