Gratiot Health System         Dr. Haverbush has been in private practice in Alma, Michigan and a member of Gratiot Health System as an attending orthopaedic surgeon since his arrival in 1974.     Gratiot Health System is a healthcare organization which provides a very large number of healthcare services to the central area of the state of Michigan. It is anchored in Alma with a well equipped, modern hospital which provides all necessary acute care and rehabilitation services to the population. It is staffed by a large number of primary care and specialist physicians. Great Lakes Renal Network, a branch of Gratiot Health System, provides dialysis treatment at centers throughout the central and northern portion of Michigan. Including the six dialysis centers, Gratiot Health System operates 17 satellite branches providing family care, specialist care, physical therapy services, x-ray and laboratory services and home medical equipment.