IDX Systems Corp. has promoted Michael E. Raymer to senior vice president and general manager of the Burlington, Vt. company's Carecast operating unit. Raymer succeeds Larry Krassner, who resigned from his position as leader of Carecast to pursue other interests. Raymer joined IDX two years ago responsible for Carecast's product strategy and new market development. Raymer previously served as vice president at Shared Healthcare Systems, where he handled product development and quality assurance.