Internal Medicine & Pediatrics is proud to have five providers to care for you and your family. Dr. Frank Demery and Dr. Mark Bilella care for both children and adults. Dr. Karen Ackley cares for children up to age 21. Our family practice nurse practitioner, Tera Ritchie cares mostly for adults, but is trained in pediatrics as well. While our other family practice nurse practitioner, Kristen Gross cares mostly for pediatrics, but is trained in adults as well.