Dr. Horton is a graduate of Harvard College and Tufts University School of Medicine, where she was inducted into the Alpha Omega Alpha Honor Medical Society and received the Glasgow-Rubin Memorial Achievement Award from the American Medical Women’s Association as a woman graduating first in her medical school class.

She completed residency training in internal medicine at Brigham and Women’s Hospital, where she also served as Chief Medical Resident. She completed fellowship in Gastroenterology and Hepatology at Beth Israel Deaconess Medical Center.

Dr. Horton is a managing partner of Granite State Gastroenterology. She also serves as President of the Medical Staff and Chair of the Medical Executive Committee at the Surgical Center of New Hampshire at Derry. She was the 2026 recipient of the Community Educator Award from the Lamprey Health Care NP Fellowship Program.

Dr. Horton has authored multiple peer-reviewed publications and has presented at national conferences on various gastroenterology topics. She is board-certified in Gastroenterology and Internal Medicine and is a member of the American Gastroenterological Association and American College of Gastroenterology. Dr. Horton’s clinical interests include inflammatory bowel disease, colorectal cancer screening, gastroesophageal reflux disease, celiac disease, and functional GI disorders including irritable bowel syndrome.

Dr. Horton lives in Stratham, NH with her husband Kevin and their two daughters.

Patient care offered in-person in Londonderry and Raymond and via telehealth appointments*