Dr. Barrera received his medical degree from The University of Texas Health Science Center at Houston Medical School. He completed his post-graduate training at the University of Colorado Health Science Center in Internal Medicine. He then completed his fellowship training in Diabetes, Endocrinology and Metabolism at Baylor College of Medicine/MD Anderson Cancer Center in Houston, TX. He is board-certified by the American Board of Internal Medicine and is a Fellow of the American College of Endocrinology. He also has his endocrine certification for neck ultrasonography. He is a member of the Endocrine Society and the American Association of Clinical Endocrinologists. Dr. Barrera is currently the section chief of the Endocrinology department at Baylor Scott & White Medical Center - Round Rock. Dr. Barrera practices general endocrinology, including diabetes, thyroid disorders, adrenal disorders, pituitary disorders, hypogonadism and osteoporosis. Dr. Barrera has been recognized as a Top Doc 2024 and 2025 by Austin Monthly Magazine. Winners are nominated by their peers as among the best in their region/nation in their medical speciality. Dr. Barrera is highly rated in 56 conditions, according to our data. His top areas of expertise are Obesity in Children, Type 2 Diabetes (T2D), Hypothyroidism, and Glucocorticoid Resistance.

Dr. Ahmad has been recognized as a Top Doc 2020 by Austin Monthly Magazine. Winners are nominated by their peers as among the best in their region/nation in their medical specialty. Dr. Ahmad is highly rated in 25 conditions, according to our data. Her top areas of expertise are Hyperparathyroidism, Hyperthyroidism, Obesity in Children, and Thyroid Nodule.

Dinkar Rupakula is an Endocrinologist in Round Rock, Texas. Dr. Rupakula is highly rated in 6 conditions, according to our data. His top areas of expertise are Diabetic Nephropathy, Postmenopausal Osteoporosis, Osteoporosis, and Hyperparathyroidism.

Hien Tran is an Endocrinologist in Round Rock, Texas. Dr. Tran is highly rated in 5 conditions, according to our data. Her top areas of expertise are Type 2 Diabetes (T2D), Hypothyroidism, Hyperparathyroidism, and Obesity in Children.

Ishita Patel is an Endocrinologist in Round Rock, Texas. Dr. Patel is highly rated in 2 conditions, according to our data. Her top areas of expertise are Thyroid Storm, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), and Hyperthyroidism.

Dr. Sabita Challagulla is a board-certified endocrinologist with specialized training in diagnosing and managing hormonal disorders including diabetes, thyroid disorders, adrenal and pituitary conditions and osteoporosis. She has extensive experience in treating complex diabetes including insulin pump management and combining clinical expertise with latest technologies to improve diabetes care. Dr. Challagulla is also board-certified in obesity medicine and strives to help patients achieve optimal health and wellness. She is passionate about connecting and collaborating with her patients to develop individualized treatment plans that meet their needs. She is a member of the American Association of Clinical Endocrinology and the Endocrine Society. Outside of work, Dr. Challagulla enjoys spending time with family and traveling. Dr. Challagulla is highly rated in 22 conditions, according to our data. Her top areas of expertise are Type 2 Diabetes (T2D), Osteoporosis, Postmenopausal Osteoporosis, and Thyroid Cancer.

Laura Williams is an Internal Medicine specialist and an Endocrinologist in Cedar Park, Texas. Dr. Williams is highly rated in 19 conditions, according to our data. Her top areas of expertise are Diabetic Nephropathy, Pheochromocytoma, Diabetic Neuropathy, and Type 2 Diabetes (T2D).

Srujana Yada is an Endocrinologist in Round Rock, Texas. Her top areas of expertise are Subacute Thyroiditis, Non-Alcoholic Fatty Liver Disease, and Nonalcoholic Steatohepatitis (NASH).

Kerem Ozer is an Endocrinologist in Round Rock, Texas. Dr. Ozer is highly rated in 4 conditions, according to our data. His top areas of expertise are Diabetic Ketoacidosis, Type 1 Diabetes (T1D), Type 2 Diabetes (T2D), and Juvenile Primary Osteoporosis.

Keta Pandit is an Endocrinologist in Round Rock, Texas. Dr. Pandit is highly rated in 1 condition, according to our data. Her top areas of expertise are Type 1 Diabetes (T1D), Type 2 Diabetes (T2D), Osteoporosis, and Obesity in Children.

Dr. Kajal Shah is a board-certified endocrinologist who enjoys practicing all aspects of general endocrinology, with a special interest in thyroid and adrenal disorders. She completed her internal medicine residency at Hofstra/Northwell Hospital in Queens, New York, followed by a fellowship in endocrinology at Stony Brook University Hospital. She then moved to Austin to be closer to family and has been practicing endocrinology in the Greater Austin Region since 2022. Dr. Shah is committed to staying current with medical advancements and actively participates in professional societies such as the Endocrine Society and the American Association of Clinical Endocrinologists. She enjoys the intellectual challenges of endocrinology and values building long-term, trusting relationships with her patients. Her approach to care is patient-centered, practical, and grounded in evidence-based medicine. Outside of work, Dr. Shah loves to travel, discover new cafes and restaurants with her husband, and unwind with a good TV show. She also cherishes quality time with her friends and family. Her top areas of expertise are Thyroid Eye Disease, Hyperthyroidism, Graves Disease, and Short Stature (Growth Disorders).

Venkatesh Segu is an Endocrinologist in Cedar Park, Texas. Dr. Segu is highly rated in 3 conditions, according to our data. His top areas of expertise are Type 2 Diabetes (T2D), Hypothyroidism, Obesity in Children, and Diabetic Neuropathy.

Rabih Nour is an Endocrinologist in Round Rock, Texas.

Mauli Shah is an Endocrinologist in Round Rock, Texas.

Tracy Chan is an Endocrinologist in Round Rock, Texas.