William Andersen, MD

The Lancaster Skin Center, PC was founded in 1997 by William Andersen, MD. Dr. Andersen graduated cum  laude from Harvard College in 1983 with a degree in biochemistry. He then attended the Columbia College of Physicians and Surgeons and received his MD there in 1987.

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Holly Gunn, MD

Dr. Gunn graduated in biochemistry at the University of Maryland in 2003.  She then attended medical school in her hometown at the University of South Alabama College of Medicine and was elected to the Alpha Omega Honor Society as a medical student.  She moved to Pennsylvania with her husband and completed an internal medicine internship and dermatology residency at Penn State University Hershey Medical Center.  She became board certified in dermatology in July 2012.  She also completed coursework and research for a Masters in Public Health Evaluation Sciences while in residency. 

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Videos of Dr. Gunn