Our Houston Gastroenterologists Are Committed to Your Wellness Serving the Gastroenterology Needs of Our Patients Since 1999, Digestive Health Associates (DHA) has provided healthcare services in the fields of gastroenterology, hepatology, and nutrition for patients throughout the Greater Houston area, including West Houston and Katy. Our team of physicians includes Dr. G.S. Ramesh, MD, Dr. … Continue reading About