Diaphragmatic and Hiatal Hernia near Brownsville, TX

Biography: Dr. Khizar Ahsan, MD is a Gastroenterology Specialist who practices in McAllen, TX. He is 59 years old and has been practicing for 37 years. Dr. Khizar Ahsan, MD is affiliated with Rio Grande Regional Hospital.

Care Philosophy: Since our founding in 2007, Texas Digestive Specialists (initially Gastroenterology Consultants of South Texas) has grown to be the premier digestive health practice serving South Texas, providing Gastroenterology, Colon & Rectal, and Advanced weight loss care. We have a team of highly trained and dedicated healthcare professionals and staff, providing the highest level of care to every patient in a compassionate and timely manner.

Biography: Dr. Nicole Grigg Gutierrez, MD is a Gastroenterology Specialist who practices in Brownsville, TX. She is 42 years old and has been practicing for 23 years. Dr. Nicole Grigg Gutierrez, MD is affiliated with Valley Regional Medical Center.

Care Philosophy: Dr. Samuel's belief is that patients should come first, focusing on the patient's immediate medical needs and wellbeing. Patients are included in their treatment plan, ensuring long term goal of wellness.

Biography: Dr. Silvia Castillo-Sy, MD is a Gastroenterology Specialist who practices in Mission, TX. She is 56 years old. Dr. Silvia Castillo-Sy, MD is affiliated with Rio Grande Regional Hospital.

Biography: Dr. Owen Maat, MD is a Gastroenterology Specialist who practices in Brownsville, TX. He is 60 years old. Dr. Owen Maat, MD is affiliated with Valley Regional Medical Center.

Biography: Dr. Jason Phillips, MD is a Gastroenterology Specialist who practices in Brownsville, TX. He is 56 years old and has been practicing for 27 years. Dr. Jason Phillips, MD is affiliated with Valley Regional Medical Center.

Biography: Dr. Balderas is a board certified gastroenterologist. She joined Texas Gastroenterology Institute after completing her Internal Medicine Residency and Gastroenterology Fellowship at the University of Texas Southwestern in Dallas, Texas. Dr. Balderas then chose to complete an additional year at the University of Texas Health Science Center in San Antonio dedicated to advanced endoscopic techniques including Endoscopic Retrograde Cholangiopancreatography (ERCP) as well as diagnostic and interventional Endoscopic Ultrasound (EUS). She has a special interest in pancreatic and biliary disorders. Where patients in the past have had to travel outside of the Valley for certain specialized procedures related to pancreas or biliary disorders, now patients can receive these procedures here at Rio Grande Regional Hospital. Born and raised in the Rio Grande Valley, she is enthusiastic and committed to bringing the best quality care to her patients. She also serves on the Board of the TSGE (Texas Society for Gastroenterology and Endoscopy).

Biography: Dr. Michael Martinez is a native of the Rio Grande Valley and a product of the Edinburg school system. After completing undergraduate studies at Princeton University with a degree in psychology and a focus on neuroscience, he went on to receive his medical degree from Yale School of Medicine. Dr. Martinez completed general surgery residency training at Scott and White Hospital in central Texas. He then pursued further specialty training in the area of advanced minimally invasive and bariatric surgery at the University of South Florida at Tampa General Hospital. Dr. Martinez is board certified by the American College of Surgeons. He is a fellow of the American Society of Metabolic and Bariatric Surgeons. Dr. Martinez is a full-time advance laparoscopic and bariatric surgeon. He is also part of the surgical faculty for the University of Texas Rio Grande Valley surgical residency program. He has published research on topics of bariatric and laparoscopic surgery and has a special interest in the topic of super obesity (BMI 50) and associated comorbid conditions. Dr. Michael Martinez received the Young Physician of the Year Award by the National Hispanic Medical Association in 2018. The recognition is due to him keeping patients as the focus of his practice and helping the Hispanic community.