Dr. Dina Goytia-Leos MD. 1.00. Joined 2002. Attended medical school at Howard University in Washington, D.C. Internal Medicine Residency at University of Texas Health Science Center. Enjoys running and yoga, and loves to travel. Dr. Goytia-Leos is board certified in internal medicine. Sees patients at our downtown location on Monday, Wednesday ...Dr. Manuel Vogt Do‧Dr. Karl Hempel MD.