Tammy S. Derk

Tammy S. Derk, MHA, currently serves as the Executive Director of Women and Pediatric Service Line and Administrative Director of Breast Health Services at Penn Medicine Lancaster General Health since March 2019. Previously, Tammy held the position of Chief Executive Officer at Lancaster Rehabilitation Hospital from July 2016 to December 2018. From August 2008 to July 2016, Tammy served as Chief Operations Officer and Director of Business Development at Lancaster General Health/Penn Medicine, while also working as Regional Director of Business Development at Kindred Healthcare during the same period. Tammy's early career includes a role as Clinical Liaison and Neuroscience Business Development Director at Healthsouth Rehabilitation Hospital of York, Pennsylvania, from October 1992 to August 2008. Tammy holds a Master of Science in Healthcare Administration from Saint Joseph's University and a Bachelor's Degree in Psychology from Shippensburg University of Pennsylvania.