The Staff

Texas Diabetes & Endocrinology's warm staff consists of Doctors, Physician Assistants, clinical Nurse specialists who are also Certified Diabetes Educators, and a Certified Lipids Specialist. Click on the staff member links to better get to know our staff members.

Thomas Blevins, M.D.
Luis Casaubon, M.D.
Valerie Espinosa, M.D.
Stephanie Shaw, M.D.
Kerem Ozer, M.D.
Venkatesh Segu, M.D.
Susan Zatopek, RN, CNS, BC-ADM, CDE
Holli Esteban, MSN, CNS, CDE
Heather Cuevas, RN, CNS
Brandy D. Wellmon, PA-C
Ashley Davila, RN, MSN, CNS
Ellen Walters, MSN, CNS
Amanda Bonazzi, RN, MSN, CNS
Alison Verlenden, BS, CCRC
Carole George, MSN, BC-ACNS, CDE
Jeffrey Shirley, RN, MSN, CNS
Louie Riesch, CNS
Michelle Ulrich, MSN, CNS

Texas Diabetes & Endocrinology, P.A. - (512)458-8400

6500 N Mopac, Bldg.3 , Ste.200
Austin, TX 78731

170 Deep Wood Dr. Suite 104
Round Rock, TX 78681