• Offices: Cancer Treatment Center at Union General
• Board Certified:  Radiation Oncology and Internal Medicine
• Medical Degree:  University of Texas Health Science Center at San Antonio
• Residency:  University of Texas Health Science Center at San Antonio, Internal Medicine and Radiation Oncology Residency Programs
• Special Interest:  Therapeutic Radiology to include IMRT, 3-D Conformal, Prostate Brachytherapy, and Gynecological Brachytherapy

Dr. Barnes is a member of the American Board of Radiology, American Board of Internal Medicine, American Society of Therapeutic Radiology and Oncology, American Society of Clinical Pathologists, and CARE.