Dr. Katherine D. Lei-Mercado is a Internal Medicine and Gastroenterologist in Wack-Wack Greenhills, Mandaluyong and has an experience of 12 years in these fields. Dr. Katherine D. Lei-Mercado practices at Clinica Manila in Wack-Wack Greenhills, Mandaluyong,Medical Center Manila - Room No. 219 in Ermita, Manila and Healthway Medical Greenbelt 5 in Makati City, Metro Manila. She completed Doctor of Medicine from University of Santo Tomas in 2005. She is a member of Philippine Medical Association. Some of the services provided by the doctor are: Gastritis Treatment,Abdominal Pain Treatment,Endoscopy,Gastroscopy and Bariatric (Gastric Bypass) Surgery etc.