Theodore Halkias

Landmark Health LLC provides healthcare services. It offers home-based medical care to individuals with multiple chronic conditions. The company was founded by Michael Le, Carol DeVol, Adam Boehler and Vinay Mascarenhas in 2010 and is headquartered in Latham, NY.

DaVita Medical Group operates and manages medial groups and affiliated physician networks. The company headquartered in Denver, CO.

OptumCare Management LLC engages in the provision of primary care services. The company is headquartered in El Segundo, CA.

HealthCare Partners Holdings LLC engages in the provision of administrative and central support services offered to its staff and independent practice association (IPA) models. It also offers strategic planning, implementation, and development of integrated delivery systems, and offers expertise in IPA and medical group formation. The company was founded by Robert J. Margolis in 1992 and is headquartered in Torrance, CA.

Healthcare Partners Medical Group, Inc., provides medical services. It offers primary and specialist care, urgent and after-hours care, patient support center, outpatient surgery, pharmacy services, health enhancement classes, care managers, chronic condition care, comprehensive care, house calls, fitness and physical therapy, total wellness visit, accountable care organization, and clinical trials. The company was founded in 1992 and is headquartered in El Segundo, CA.