Dr. Kumkum Patel, a board-certified gastroenterologist, provides an overview of digestive health, covering upper, small, and lower GI disorders. She discusses GERD management, types of dysphagia, and common causes of upper abdominal pain like gallstones and H. pylori. Small bowel conditions, including celiac disease and SIBO, are addressed alongside constipation and diarrhea, highlighting diagnostic tools and treatment options.