About Our Hospital and Health System Saint Mary's Regional Medical Cetner is a 170-bed hospital located in Russellville, AR, and is part of Lifepoint Health , a diversified healthcare delivery network committed to making communities healthier ® with acute care, rehabilitation, and behavioral health facilities from coast to coast. As a Pediatrician at Saint Mary's Regional Health System in Russellville,AR you will be inspired by the community you serve as a valued member of the Lifepoint Health team, a nationally recognized healthcare organization committed to caring with a local heart.