Dr. Joseph Antsey, Internal Medicine

Dr. Alonso's practice is part of BJC Medical Group of Missouri, a well-established, multi-specialty physicians group. He treats neurological conditions including headaches, epilepsy, stroke, and movement disorders. He sees adult patients for evaluation of central nervous system and peripheral nerve disorders. Dr. Alonso performs procedures including BOTOX injections and Vagal Nerve Stimulator management.

Roger Guillemette, MD, is a board-certified internal medicine physician who sees patients 18 years and older. He provides preventive care, including annual wellness exams, vaccinations, and men’s health exams and manages acute and chronic conditions. He also treats a wide variety of medical conditions, including asthma, allergies, ADHD, anxiety, COPD, cold and flu symptoms, depression, diabetes, heart disease, high blood pressure, high cholesterol, minor illness and injuries, obesity, osteoporosis, thyroid disease, tobacco use and urinary tract infections. He also provides minor dermatology treatments and injections for joint pain. Dr. Guillemette is dedicated to building strong and enduring connections with his patients and their loved ones. He considers it a privilege to offer his patients exceptional care and support during their medical journey. Dr. Guillemette is from New Hampshire. When he isn’t caring for patients, he enjoys woodworking, music, sports and cycling. Dr. Guillemette earned his medical degree from Dartmouth Medical School in Hanover, New Hampshire. He completed his internal medicine residency at the University of North Carolina at Chapel Hill. This practice is a part of BJC Medical of Missouri.