Dr. Roberto D. Martinez is an internist in Edinburg, Texas and is affiliated with multiple hospitals in the area, including Doctors Hospital at Renaissance and Rio Grande Regional Hospital. He received his medical degree from University of Texas Medical Branch School of Medicine and has been in practice for more than 20 years. Dr. Roberto D. Martinez has expertise in treating hypertension & high blood pressure, among other conditions - see all areas of expertise. Dr. Roberto D. Martinez accepts Medicare, Aetna, Humana, Blue Cross, United Healthcare - see other insurance plans accepted.