Steven S. Larmon, M.D. is a doctor's office located at 452 Old Street Road in Peterborough, New Hampshire, United States. As a Critical Access Hospital, we provide comprehensive inpatient and outpatient services to our patients. Our newest office, MGA, offers advanced care for a wide range of digestive conditions, including GERD, inflammatory bowel disease, and gastrointestinal cancers. Please note that due to a recent cyberattack incident involving Change Healthcare, there may be slight delays in receiving lab results. To learn more about this situation and how it may impact you, please click learn more.