Meet Our Providers. Guru N. Reddy, MD, FACP, FACG, FASGE, AGAF. Dr. Guru N. Reddy trained at Baylor College of Medicine. He is Board Certified in Gastroenterology and Internal Medicine with specialization in Liver Disease and Nutrition. Howard B. Hamat, MD, FRCP.Contact Us‧Schedule an Appointment‧HOME‧ABOUT US‧OUR PROVIDERS‧AREAS OF EXPERTISE.