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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. William Gillum:

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  1. Qualifications
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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. William Gillum is Excellent. Dr. Gillum has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Specialties & Research

Dr. William Gillum, FACS, MD is board certified in Ophthalmology.

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

Education & Awards

Dr. Gillum graduated from Tufts University, Boston.


Dr. Gillum has 7 hospital affiliations:

  • Rio Grande Regional Hospital 
  • Knapp Medical Center 


  • Spanish

> > > > Dr. William Gillum, FACS, MD

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Additional Information
Dr. William N Gillum FACS and MD is a male Ophthalmologist, has 39 years of experience and practices in Ophthalmology.
Where does Dr. William N. Gillum practice?
Dr. William Gillum has 4 office locations.
Dr. William Gillum practices Ophthalmology near Mission, TX.
Additional practice locations include: Weslaco, TX and McAllen, TX.
See Mission Ophthalmologists.