Our team is led by
Charles Reasner, II MD serves as Medical Director of Adult Diabetes/Endocrinology and is a Professor of Medicine at the UT Health Science Center (UTHSC) at San Antonio. He is a graduate of Loma Linda University School of Medicine in Loma Linda, California, and served his Residency at USAF Medical Center, Keesler Air Force Base in Mississippi. He completed a Fellowship in Endocrinology at USAF Wilford Hall Medical Center at Lackland Air Force Base in San Antonio, Texas.

Kathy Ann La Civita, MD, F.A.C.E., F.A.C.P.
serves as a Clinical Endocrinologist at the Texas Diabetes Institute and Assistant Professor of Medicine at the UTHSC at San Antonio in the Division of Diabetes. She received her medical degree from the Uniformed Services University of the Health Sciences, F. Edward Hebert School of Medicine and completed her Residency at Wright-Patterson USAF Medical Center, Wright-Patterson AFB, Fairborn, Ohio. She completed her Endocrinology Fellowship at USAF Wilford Hall Medical Center, Lackland Air Force Base, San Antonio. She is board certified in Internal Medicine, Endocrinology, Metabolism and Diabetes. She recently received the American Diabetes Association Recognition with Distinction honor.

Rachel Y. Rusinko, MD
serves as a Clinical Endocrinologist at the Texas Diabetes Institute and Assistant Professor of Medicine at the UTHSC at San Antonio in the Division of Diabetes. She received her medical degree and completed her Internal Medicine training and Endocrinology Fellowship at the UTHSC at San Antonio. She is Diplomate of the American Board of Internal Medicine and the American Board of Endocrinology, Diabetes and Metabolism. She recently received the American Diabetes Association Recognition with Distinction honor.

Paula L. Phillips, MD
serves as a Clinical Endocrinologist at the Texas Diabetes Institute and Assistant Professor of Medicine in the Division of Diabetes at the UTHSC at San Antonio. She received her medical degree from Texas Tech University Health Science Center School of Medicine in Lubbock, Texas, and completed her Residency at Texas A&M College of Medicine/Scott & White Memorial Hospital in Temple, Texas. She completed her Endocrine Fellowship at the Medical College of Georgia in Augusta, Georgia. She is board certified in Internal Medicine, Endocrinology, Diabetes and Metabolism.

Aruna Venkatesh, MD
serves as a Clinical Endocrinologist at the Texas Diabetes Institute and Assistant Professor of Medicine in the Division of Diabetes at the UTHSC at San Antonio. She received her medical degree from Osmania Medical College, Hyderabad, India and completed her internship at University of Hawaii, Honolulu, Hawaii and residency at Primary Care Program of Austin, Texas, where she also served as the Chief Resident. She completed her Fellowship in Endocrinology at the UT Southwestern Medical Center, Dallas, Texas. She is board certified in Internal Medicine, Endocrinology, Diabetes and Metabolism.

Gloria L. Ocampo, MD serves as a Clinical Endocrinologist at the Texas Diabetes Institute and Clinical Assistant Professor of Medicine at the UT Health Science Center at San Antonio in the division of Endocrinology, Diabetes and Metabolism. Dr. O'Campo received her medical degree from the Pontificia Bolivariana University in Medellin, Colombia and completed her Internal Medicine Training and Endocrinology Fellowship at the UT Health Science Center at San Antonio. She is Diplomate of the American Board of Internal Medicine and the American Board of Endocrinology, Diabetes and Metabolism. Dr. O'Campo is also fluent in Spanish.

Kelly Wirfel, MD
serves as a Clinical Endocrinologist at the Texas Diabetes Institute and is a Clinical Assistant Professor of Medicine. Dr. Wirfel received her undergraduate degree in biochemistry from North Carolina State University. She also received her medical degree from the University of New Mexico. She began her Endocrinology fellowship at the UT Health Science Center at San Antonio and Completed at the The University of Houston. She is Board Certified in Internal Medicine, Diabetes and Endocrinology.

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.

Nicolas Musi, MD
serves as Associate Medical Director for Research at the Texas Diabetes Institute and an Assistant Professor of Diabetes Medicine at the UT Health Science Center at San Antonio. He obtained his medical degree from the Universidad Anahuac, Mexico City, Mexico.  Dr. Musi specialized in Internal Medicine at the University of Miami and in Endocrinology and Metabolism at Harvard Medical School. Dr Musi is board certified in Internal Medicine, Endocrinology, Diabetes and Metabolism.  Dr. Musi is fluent in Spanish.