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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 (3)

The overall average patient rating of Dr. John Fassio is Good. Dr. Fassio has been reviewed by 4 patients who have provided 3 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 4.0
Courteous Staff 4.0
Accurate Diagnosis 4.0
Bedside Manner 4.0
Spends Time with Me 3.7
Follows Up After Visit 4.1

Specialties & Research

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

  • He has special expertise in 3 areas:
  • Cataract
  • Glaucoma
  • Refractive Surgical Procedures

Education & Awards

Dr. Fassio graduated from University of Louisville .


Dr. Fassio has 8 hospital affiliations:

  • Evanston Regional Hospital 
  • Salt Lake Regional Medical Center 


  • Korean

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Additional Information
Dr. John B Fassio MD is a male Ophthalmologist, has 22 years of experience and practices in Ophthalmology.
Where does Dr. John B. Fassio practice?
Dr. John Fassio has 5 office locations.
Dr. John Fassio practices Ophthalmology near Park City, UT.
Additional practice locations include: Heber City, UT and Salt Lake City, UT.
See Park City Ophthalmologists.