Sam's primary focus areas are Medicare Accountable Care Organizations (ACOs) and Medicare Advantage Organizations. He has worked with a broad range of clients, including health plans, integrated delivery systems, and provider groups. He played a key role in the development of Milliman's ACO Builder suite of products. Examples of recent analyses include:

• Provider organizations
• Provider groups in risk sharing programs, including MSSP, ACO REACH, and Primary Care First
• Medicare Advantage risk-sharing contract support
• ACO program change forecasting
• ACO network development
• Health plans
• Medicare Advantage bid development and certification
• Healthcare cost savings opportunity
• Medicare Advantage feasibility