Our Staff
Cornerstone Dermatology PC is a family owned, local small business in Lebanon County, Pennsylvania. There are many factors that you consider when choosing a care provider, including reputation and previous patient experiences. You need a dermatologist, like Dr. Daniel Zavadak, who is personable, knowledgeable and experienced. Collaboratively, our staff works to provide the highest level of care and continuous transparent communication.
We can’t wait to meet you!
EDUCATION
Dermatology Residency University of Pittsburgh School of Medicine Pittsburgh, PA
July 1992 -July 1995Preliminary Year of Internal Medicine Barnes Hospital Washington University School of Medicine
July 1991 -July 1992University of Pittsburgh School of Medicine Pittsburgh, PA M.D.
May 1991Washington and Jefferson College Washington, PA B.A. in Physics
Sept. 1985 - May 1987Penn State University State College, PA Electrical Engineering
Sept. 1982 - May 1985
EMPLOYMENT
Westmoreland Dermatology Associates Group Practice Greensburg, PA
July 1995 -July 1996Dermatology Associates of Lebanon and Hershey Group Practice Lebanon, PA
July 1996 - Dec. 2002Cornerstone Dermatology Solo Practice Lebanon, PA
Jan 2003- present
Vasu Patel, PA
Vasu is a board-certified Physician Assistant specializing in medical dermatology. She began her medical career, graduating from Pennsylvania State University with a Bachelor of Science in Biology. She then pursued and attained a Master of Science in Physician Assistant Studies from Thomas Jefferson University in Philadelphia, PA. Shortly after, Vasu joined Cornerstone Dermatology in September of 2025. Her love and knowledge of dermatology grew, and she is now excited to continue providing dermatologic care in Lebanon County. Vasu prioritizes lifelong learning and is an active member of the Society of Dermatology of Physician Assistants. She values strong relationships with her patients and is dedicated to helping them accomplish their healthcare goals and needs.
In her spare time, Vasu enjoys spending time with her family, hiking, cooking, and enjoying the beach. She is excited to help patients and is proud to work alongside a fantastic team of providers!