Dr. Grannum is on Doximity
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Office
1910 S 1st St
Ste 400
McAllen, TX 78503Phone+1 956-687-3937Fax+1 956-687-3938
Education & Training
University of Southern California/LAC+USC Medical CenterFellowship, Glaucoma, 1997 - 1998
Yale-New Haven Medical CenterResidency, Ophthalmology, 1994 - 1997- Yale-New Haven Medical CenterInternship, Internal Medicine, 1993 - 1994
Yale School of MedicineClass of 1993
Certifications & Licensure
TX State Medical License 1998 - 2026
FL State Medical License 1999 - 2025
Professional Memberships
- Member
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