Gastroenterology

We provide expert care for a wide range of gastrointestinal concerns, from reflux and abdominal pain to inflammatory bowl disease, liver disorders, and complex diagnostic findings. Preventive screenings are a cornerstone of our approach, allowing us to identify concerns early and intervene promptly when needed. Every patient encounter is guided by thoughtful clinical assessment, advanced diagnostic technology, and clear communication.


Areas of Specialty:

  • Diagnostic and Therapeutic Colonoscopy

  • Endoscopy

  • Hemorrhoidectomy and Anal Fissures

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Meet The Physicians

Nathaniel Avila, MD

Gastroenterology

Dr. Nathaniel Avila, MD is a Houston native and a board-certified gastroenterologist specializing in advanced endoscopy and comprehensive digestive care. He is committed to patient-centered treatment, early detection, and improving long-term gastrointestinal health across the Houston community.

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Meet The Physician

Fadi Rzouq, MD

Gastroenterology, Hepatology, and Therapeutic Endoscopy

Fadi Rzouq, MD is a double board-certified gastroenterologist and advanced therapeutic endoscopist who specializes in the diagnosis and treatment of complex gastrointestinal, pancreatic, and liver diseases. Dr. Rzouq has performed over 30,000 esophagogastroduodenoscopies (EGDs) and colonoscopies, as well as several thousand Endoscopic Ultrasounds (EUS) and Endoscopic Retrograde Cholangiopancreatographies (ERCPs).

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Fadi Rzouq, MD, Gastroenterology, Hepatology, and Therapeutic Endoscopy. diagnosis and treatment of complex gastrointestinal, pancreatic, and liver diseases.