How Often Should You Get a Colonoscopy? Screening Guidelines by Age and Risk
Colonoscopy is one of the most effective tools for preventing colorectal cancer, yet many people are unsure when they should...
Why Patients Choose Texas Digestive Specialists for Digestive Care
Since 2007, Texas Digestive Specialists has grown into South Texas' premier digestive health practice, bringing together a highly trained team dedicated to compassionate, timely, and patient-centered care. With expertise spanning gastroenterology, colon and rectal surgery care, and advanced weight loss treatment, our specialists are committed to accurately diagnosing symptoms, restoring digestive health, and helping patients prevent future issues so they can enjoy life to the fullest with greater confidence.
Our SpecialtiesComplete Digestive Care
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Gastroenterology Services
Adult digestive care, diagnostics, endoscopy, and long-term GI management.
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Colon & Rectal Surgery Services
Specialized care for colorectal conditions with minimally invasive treatment options.
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Advanced Weight Loss Center
Surgical and non-surgical weight loss solutions with bariatric and foregut expertise.
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Pediatric Digestive Care
Our pediatric team specializes in digestive disorders and restoring health for your children.
Meet Our ProvidersWe have a team of highly trained and dedicated healthcare specialists who provide compassionate and timely care for every patient.
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Nolan E. Perez, MD, FACP, FACGGastroenterology -
Mihaela Ringheanu, MDPediatric Gastroenterology -
Alberto Peña, MD, FACS, FASCRSColon & Rectal Surgery -
Michael J. Martinez, MDBariatric & Foregut Surgery
Why Am I Always Bloated? 10 Possible Causes of Chronic Bloating
Bloating can turn an ordinary day into a constant negotiation with your stomach. You may wake up feeling comfortable, only t...
How Robotic Surgery May Reduce Pain and Recovery Time After Colon Surgery
Hearing that you need colon surgery can bring as many questions as concerns. Many patients worry less about the procedure it...
Patient Resources
Gastroenterology Consultants of South Texas recently suffered a security incident that may have affected elements of your protected health information.
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Our PracticeLocations & Directions
Adult Locations
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4211 N Jackson Rd
McAllen, TX 78504 -
305 Lorenaly Drive
Brownsville, TX 78526 -
512 Victoria Lane
Suite 2
Harlingen, TX 78550
Pediatric Locations
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4211 N Jackson Rd
McAllen, TX 78504 -
512 Victoria Lane
Suite 14
Harlingen, TX 78550