Dr. Ralph A. Defronzo has been practicing medicine for 45 years. Dr. Defronzo graduated from the Harvard Medical School in 1969. He practices medicine in San Antonio, TX and specializes in Endocrinology, Diabetes & Metabolism and Diabetology. Dr. Defronzo is affiliated with University Hospital. He speaks English and Spanish.
Years in Practice: 45 Years
Languages Spoken: English, Spanish
Medical School: Harvard Medical School
Graduation Date: 1969
Hospital Affiliations: University Hospital
Specialties: Endocrinology, Diabetes & Metabolism, Diabetology