Michael Diaz, MD

Mark Thompson, MD

Mark Thompson, MD is the Community Oncology Alliance (COA) medical director of public policy. He guides COA in making official positions and comments regarding public policy. Dr. Thompson brings a deep understanding of complex cancer care issues and policymaking. He is actively involved in COA government affairs work and is regularly in Washington, DC

By |2024-12-18T07:10:44-05:00February 15th, 2023|COA Leadership, About|0 Comments

Fred Schnell, MD, FACP

Frederick M. Schnell, MD, FACP, is the Chief Medical Officer at the Community Oncology Alliance (COA). In his role, Dr. Schnell brings a practicing physician’s perspective to the day-to-day operations of COA. He provides valuable insight into the clinical and administrative challenges faced by community oncology clinics and supports the development of new tools

By |2025-06-23T10:33:42-04:00February 15th, 2023|COA Leadership, About|0 Comments

Shiela Plasencia

Shiela Plasencia is the Director of Practice Support at the Community Oncology Alliance (COA). In her role, she serves as a key connector among practice administrators, providing essential insights, strategies, and tools to optimize practice operations and ensure the delivery of high-quality patient care. She also leads the COA Administrators’ Network (CAN), a collaborative

By |2025-06-23T10:48:54-04:00February 15th, 2023|About, COA Leadership|0 Comments