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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).

Learn more about Dr. John Duvall:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. John Duvall is Average. Dr. Duvall has been reviewed by 2 patients who have provided 1 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

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

  • He has special expertise in 1 area:
  • Lens Implants (Intraocular Lens Implantation)

Education & Awards

Dr. Duvall graduated from University of Colorado, Denver.


Dr. Duvall has 4 hospital affiliations:

  • Exempla Lutheran Medical Ctr 
  • Exempla Good Samaritan Medical Center 


  • Spanish

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Additional Information
Dr. John Andrew Duvall MD is a male Ophthalmologist, has 23 years of experience and practices in Ophthalmology.
Where does Dr. John A. Duvall practice?
Dr. John Duvall has 1 office location.
Dr. John Duvall practices Ophthalmology near Arvada, CO.
See Arvada Ophthalmologists.