| A Dedicated and Caring Staff
There’s a reason why our physicians are exceptional leaders. At TDI, we take a team management approach. We believe that your care should be monitored from all viewpoints. That is why we have created a team of endocrinologists, podiatrists, ophthalmologists, clinical researchers, pediatricians, nephrologists, wound care specialists, obstetricians, family practitioners, internal and rehabilitation medicine specialists, dietitians, certified diabetes educators, health educators and nurse case managers to address your needs as a patient. It’s important that you’re comfortable with your physician to ensure that your treatment is successful. Our leadership team has hundreds of years of combined experience and are nationally recognized in their fields. TDI Physician Leaders Ralph A. DeFronzo, MD
serves as Deputy Director of the Texas Diabetes Institute. As one of the nation’s leading diabetes researchers, Dr. DeFronzo is also a Professor of Medicine and Chief of the Diabetes Division at the UT Health Science Center (UTHSC) at San Antonio and the South Texas Veterans Health Care System, Audie L. Murphy Division in San Antonio. He is a graduate of Harvard Medical School and served his Residency in Internal Medicine at Johns Hopkins Hospital. He has completed Fellowships in Endocrinology at the National Institutes of Health/Baltimore City Hospitals, and in Nephrology at the Hospital of the University of Pennsylvania. Terri De La Haya, RN, BSN, MPH
serves as Vice President of the Texas Diabetes Institute. She has earned her Bachelor of Science degree in nursing from UTHSC - San Antonio Nursing School, and a Masters in Public Health from the UTHSC at Houston, School of Public Health.  Katherine LaCivita, MD
serves as Medical Director of Adult Diabetes/Endocrinology Clinic at the Texas Diabetes Institute (TDI) and CMA Medical Director of the University Health System – Texas Diabetes Institute. Dr. LaCivita is Assistant Professor of Medicine at the UT Health Science Center (UTHSC) at San Antonio. She currently supervises Endocrine, Internal Medicine & Family Practice Physicians, Nursing and clerical staff at TDI/UCCH and a satellite Endocrine North clinic.
Dr. LaCivita is a graduate of the Uniformed Service University of the Health Sciences, F. Edward Hebert School of Medicine in Bethesda, Maryland, and served her Internal Medicine Residency at Wright-Patterson USAF Medical Center Air Force Base in Dayton, Ohio. She completed a Fellowship in Endocrinology at USAF Wilford Hall Medical Center at Lackland Air Force Base in San Antonio, Texas. She is board certified in Internal Medicine and board certified and recertified in Endocrine, Diabetes, and Metabolism. Jan M. Bruder, MD  serves as Director of the Osteoporosis and Metabolic Disease Clinic at the Texas Diabetes Institute and Associate Professor of Medicine in the Division of Endocrinology at the UTHSC - San Antonio. She is a graduate of Louisiana State University in New Orleans, Lousiana and completed her Internal Medicine Residency at the Medical College of Virginia in Richmond. She also completed her Endocrine Fellowship at the University of Colorado in Denver.
Jane L. Lynch, MD 
serves as a Medical Director of the Children's Center at the Texas Diabetes Institute and she serves as an Assistant Professor/Clinical in the Department of Pediatrics at the UT Health Science Center at San Antonio. She received a Bachelor's of Science in Microbiology from Indiana University in Bloomington, Indiana . She also received her medical degree from Wright State University School of Medicine in Dayton, OH. Wajeh Qunibi, MD
is Medical Director of the Texas Diabetes Institute Adult Renal services and Associate Professor of Medicine at the UTHSC - San Antonio. He received his training in Internal Medicine in Baltimore, Maryland, completing a Fellowship in Nephrology at Baylor College of Medicine in Houston, Texas. He is board certified in Internal Medicine and Nephrology. Eugenio Cersosimo, MD 
is currently the Medical Director of Clinical Research at the Texas Diabetes Institute and an Associate Professor of Medicine at the UT Health Science Center at San Antonio. He obtained his medical degree at the Universidade Federal Fluminense in Rio de Janeiro, Brazil and moved to Vanderbilt University in Nashville, Tennessee where he graduated with a Ph.D. degree in Physiology and Metabolism. He served his medical residency training and Endocrinology fellowship program at the Mayo Clinic in Rochester Minnesota with a special degree in Clinical Investigation. Heidi Becker, MD
serves as the Medical Director of Ophthalmology at the Texas Diabetes Institute and Assistant Professor in the Department of  Ophthalmology. She graduated from Dartmouth Medical School in 2003 and completed her internship at the Texas Tech Health Science Center in El Paso, Texas in 2004. Dr. Becker completed her ophthalmology residency at UT Health Science Center at San Antonio in 2007. | 
