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Education & Awards
Dr. Grannum graduated from Yale University, New Haven.More Education & Awards
Dr. Grannum has 8 hospital affiliations:
- Valley Baptist Medical Center
- Doctors Hospital Renaissance - Edinburg
Accepted Insurance Plans
Dr. Grannum accepts these health insurances in at least one office:
- Great-West Healthcare - 2 plans
- Unicare - 11 plans
- Blue Cross Blue Shield of Texas - 1 plan
- Superior Health Plan - 2 plans
- Scott and White Health Plan - 2 plans
- Humana - 2 plans
- Medicare - 1 plan
- Cigna - 2 plans
- USA H & W Network - 1 plan
More Accepted Insurance
Similar doctors nearby
- Additional Information
- Where does Dr. Errol O. Grannum practice?
Dr. Errol Grannum practices Ophthalmology near McAllen, TX.
Additional practice locations include: Harlingen, TX.
See McAllen Ophthalmologists.