David M. Berkey

Hospitalists Management Group LLC is a physician owned and managed equity model organization. It provides full-service billing company, human resources, physician recruitment, legal services/risk management, credentialing, third-party contracting, accounting, marketing and network development, information services and more. The company has also implemented the use of hand-held wireless technology that allows for instantaneous charge entry, access to patient medical record systems, and the ability to communicate with both primary care and consulting physicians on each patient's case. The company was founded by Stephen L. Houff in 1999 and is headquartered in Canton, OH.

Sinai Health System owns and operates hospitals. It provides outpatient and inpatient healthcare, clinical, medical, and community services. The company was founded in 1919 and is headquartered in Chicago, IL.

Vibra Hospital of Southeastern Michigan engages in the provision of critical care services. It offers cardiac services, medically complex, neuro, post-trauma, respiratory, sepsis and infectious disease, and wound care services. The company is headquartered in Detroit, MI.