The incumbent maintains responsibility for providing expert primary care including, but not limited to comprehensive health assessments, some womens health services, medical diagnosis of acute and chronic illnesses, write prescriptions, formulate treatment plans and implement interventions. Adventist Health Castle (AHCS), located in Kailua, Hawaii, serves the island of O'ahu and is the primary acute health care facility for a population of 150,000 on the Windward side of the island.