Michael Jonathan Older, M.D. Internal Medicine - Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 190 Groton Rd, Suite 190, Ayer, MA 01432 Phone: 978-772-3547
Gastroenterology: An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.