Patrick Hyatt Profile Image

Director, The Center for Heartburn and Reflux Disease


  • Gastroenterology

Board Certifications:

  • Gastroenterology


  • English

Areas of Interest:

  • Heartburn, Acid Reflux/GERD, Diseases of the Esophagus


  • McAuley Plaza at Mercy
  • Mercy Personal Physicians at Lutherville
  • Mercy Personal Physicians at Overlea

Patrick Hyatt, M.D.

Patrick A. Hyatt, M.D., is a highly skilled specialist and Director of The Center for Heartburn and Reflux Disease in Baltimore, Maryland, which is part of The Melissa L. Posner Institute for Digestive Health & Liver Disease at Mercy. The Center is dedicated to preventing and treating diseases of the esophagus. 

Dr. Patrick Hyatt has advanced training in therapeutic endoscopy providing patients with sophisticated expertise and treatment for gastroesophageal reflux disease or GERD, heartburn and other disorders of the esophagus including swallowing disorders. Patients trust Dr. Patrick Hyatt for thorough diagnosis and clinical excellence, and they are grateful for his encouragement and understanding that give them hope for a better tomorrow.

Comprehensive Treatment for Heartburn and Reflux Disease

Working with other gastroenterologists of The Institute for Digestive Health & Liver Disease, Dr. Patrick Hyatt uses leading edge treatment options including specialized studies that monitor the function of the esophagus to relieve heartburn pain and prevent diseases of the esophagus such as esophageal cancer or Barrett’s Esophagus. The expertise of this team of doctors makes Mercy Medical Center among the best in the Mid-Atlantic region in the diagnosis and treatment of digestive diseases. If esophageal cancer is diagnosed, the physicians work with the surgical, medical and radiation oncologists of The Institute for Cancer Care at Mercy to provide comprehensive treatment and a seamless transition in care.

Lecturer and Published Author

Board Certified in Gastroenterology, Dr. Patrick Hyatt has delivered many presentations on topics such as endoscopic management and chemoprevention of colon cancer in his career and has published with The American Journal of Gastroenterology.

Education & Fellowships
  • Fellowship – Gastroenterology, Brown University, Rhode Island
  • Residency – Brown University, Rhode Island
  • Medical Degree – Temple University School of Medicine, Pennsylvania
Associations & Memberships
  • American College of Gastroenterology
  • American Gastroenterological Association
  • American Society of Gastrointestinal Endoscopy

Institute for Digestive Health and Liver Disease at Mercy

The Melissa L. Posner Institute for Digestive Health & Liver Disease at Mercy offers advanced diagnostic tools and treatment options for GI conditions. The Institute's esteemed physicians specialize in digestive health and liver diseases, providing screening services and treatment for illnesses affecting the colon, esophagus, stomach, liver, bile ducts, pancreas and intestines.

When Heartburn Can Turn Cancerous - Dr. Patrick Hyatt - Mercy

Mercy gastroenterologist Dr. Patrick Hyatt discusses how persistent heartburn can turn into esophageal cancer. Learn more at

Colon Cancer Screenings Saves Lives - Dr. Patrick Hyatt - Mercy

Mercy Medical Center's Dr. Patrick Hyatt discusses the importance of colon cancer screenings. Colon cancer over the past decade decreased by 30 percent for people over the age of 50, mainly because more people are getting colonoscopies, according to the American Cancer Society. But the Centers for Disease Control and Prevention reported that millions still aren't getting the screenings. Learn more at

Acid Reflux - Dr. Patrick Hyatt - Mercy

Mercy's Dr. Patrick Hyatt discusses symptoms and treatment of acid reflux. Learn more at

What Causes GERD - Dr. Patrick Hyatt - Mercy

Dr. Patrick Hyatt discusses the common causes of GERD and what can be done to avoid them. Learn more at

Colon Cancer in Young Adults - Dr. Patrick Hyatt - Mercy

Mercy gastroenterologist Dr. Patrick Hyatt discusses colon cancer in young adults. Learn more at

The Cancer Doctors at Mercy

The Cancer Doctors at Mercy treat a wide range of cancers, relying on advanced technologies, compassionate care, leading edge research and clinical trials, and demonstrated medical expertise to provide some of the best treatment options available to fight cancer and restore hope and vitality.


Insurances Accepted

See a list of insurances accepted at Mercy. Restrictions may apply. Patients should confirm coverage with their carrier prior to appointment date.