About Us

The Nathaniel Witherell Board of Directors

Laurence B. Simon, Chairman
Louise C. Puschel, Secretary
Nelson A. Bonheim, MD
Allen Brown, 
Executive Director, ex officio
Suzanne Hogan
Nisha Hurst
Richard W. Kaplan
Joan Merrill
Nirmal Patel, MD, MPH

Elizabeth Siderides, MD

Faces of Witherell

Dr. Francis X. Walsh

Dr. Francis X. Walsh

Medical Director
Dr. Walsh has been a beloved member of the Witherell’s medical staff for 42 years and has served as the facility’s Medical Director since 2008. Read more