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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. Robert Knox:

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Specialties & Research

Dr. Robert Knox, MD, PA is board certified in Ophthalmology.

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

Education & Awards

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


Dr. Knox has 3 hospital affiliations:

  • St Edward Mercy Medical Center 
  • Select Speciality Hospital-Fort Smith 
  • Sparks PremierCare 


  • Vietnamese
  • Spanish

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Additional Information
Dr. Robert B Knox MD and PA is a male Ophthalmologist, has 24 years of experience and practices in Ophthalmology.
Where does Dr. Robert B. Knox practice?
Dr. Robert Knox has 1 office location.
Dr. Robert Knox practices Ophthalmology near Fort Smith, AR.
See Fort Smith Ophthalmologists.