Alan H. Johnson

Healthcare Information & Management Systems Society engages in the design, development, and provision of healthcare information technology and management systems. It offers professional development, career services, certification services, member advancement, student case competition, learning center, and regional education. The company was founded in 1961 and is headquartered in Chicago, IL.

Doctors Hospital, Inc. engages in the provision of medical and surgical services. It offers ambulatory surgery, breast health, digestive disease care, emergency services, endocrinology and diabetes care, imaging services, infusion care, orthopedic, primary care, radiation oncology, rehabilitation program, sleep center, transitional care, wound care, and wellness center. The company was founded in 1975 and is headquartered in Lanham, MD.