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Shiva K. Ratuapli

, M.D.

Gastroenterologist

About Shiva K. Ratuapli, M.D.

Dr. Shiva Ratuapli, MD is a board-certified gastroenterologist at Arizona Digestive Health, Phoenix Coronado location. He specializes in diagnosing and treating complex digestive conditions, with a special focus on esophageal disorders, acid reflux, and gastrointestinal motility problems. He provides thoughtful, personalized care that helps patients understand their condition and feel confident in their treatment plan.

Dr. Ratuapli is an Assistant Professor of Medicine at the Digestive Institute at the University of Arizona College of Medicine – Banner University Medical Center Phoenix. He also serves as the Co-Director of the Gastrointestinal Motility Laboratory at Banner University Medical Center Phoenix, where he oversees advanced testing used to evaluate swallowing disorders, reflux disease, and other motility conditions. He is involved in interpreting  these specialized services that are offered at multiple Banner Health locations across Phoenix and Tucson.

Clinical Expertise

Dr. Ratuapli has particular expertise in:

  • Esophageal motility disorders
  • Gastroesophageal reflux disease (GERD)
  • Swallowing disorders
  • Acid reflux testing and pH monitoring
  • Evaluation of esophageal cancer and pre-cancerous conditions

He combines advanced diagnostic testing with a patient-centered approach, taking time to listen, explain findings clearly, and tailor treatment plans to each individual.

Research & Academic Contributions

Dr. Ratuapli is actively involved in clinical research focused on esophageal motility and reflux disorders. He has published multiple peer-reviewed articles in leading gastroenterology journals and has presented his work at national medical conferences. His research excellence has been recognized by the American College of Gastroenterology, including receipt of the Governor’s Award for Excellence in Clinical Research.

Education & Advanced Training

Dr. Ratuapli completed extensive training at nationally recognized institutions, including:

  • Advanced Fellowship in Gastrointestinal Motility – Mayo Clinic, Rochester, Minnesota
  • Gastroenterology Fellowship – Mayo Clinic Arizona
  • Internal Medicine Residency – Brookdale University Hospital and Medical Center, Brooklyn, New York
  • Doctor of Medicine (MD) – Osmania Medical College, Andhra Pradesh, India

Awards & Recognition

  • Governor’s Award for Excellence in Clinical Research – American College of Gastroenterology
  • Presidential Poster Award – American College of Gastroenterology
  • Chief Resident, Internal Medicine – Brookdale University Hospital Medical Center
  • Physician Recognition Award with Commendation – American Medical Association
  • Clinical Assistant Professor of Medicine – Mayo Clinic Arizona

Patient Care Philosophy

Dr. Ratuapli believes that the best outcomes come from clear communication, careful evaluation, and compassionate care. He is committed to helping patients understand their symptoms, explore all appropriate treatment options, and achieve lasting improvement in their digestive health.

He currently provides care at both the Banner Digestive Institute and Arizona Digestive Health clinics.

Request An Appointment

If you are experiencing a medical emergency, please call 9-1-1. This form is intended for non-urgent appointment requests only. Our office will handle non-emergency requests within 48 hours.