Opportunities with American Health Network, Part of Optum. When you join American Health Network (AHN), you become part of a team that strives to identify and retain the top healthcare professionals in the markets it serves. At American Health Network, we want to be the best health care organization we can be. Our mission is to improve the health of our patients. We’re a physician-led organization, operating over 70 medical offices in Indiana and Ohio, with over 300 providers and 1200 employees. We’re also an OptumCare partner, part of the UnitedHealth Group family of businesses, and backed by the resources of a global health