Our Staff

At Cornerstone Dermatology PC, we recognize that your choice of a dermatologist is driven both by the doctor's competency and personality. When searching for dermatological treatment, you need a dermatologist who is experienced, understanding and supportive. You get this caring attitude from all the staff at Cornerstone Dermatology PC every day. Our staff works together as a team to be sure we are responsive to your needs and keep you informed about your health issues. We look forward to getting to know you.

Daniel G. Zavadak, MD


  • Dermatology Residency University of Pittsburgh School of Medicine Pittsburgh, PA
    July 1992 -July 1995
  • Preliminary Year of Internal Medicine Barnes Hospital Washington University School of Medicine
    July 1991 -July 1992
  • University of Pittsburgh School of Medicine Pittsburgh, PA M.D.
    May 1991
  • Washington and Jefferson College Washington, PA B.A. in Physics
    Sept. 1985 - May 1987
  • Penn State University State College, PA Electrical Engineering
    Sept. 1982 - May 1985


  • Westmoreland Dermatology Associates Group Practice Greensburg, PA
    July 1995 -July 1996
  • Dermatology Associates of Lebanon and Hershey Group Practice Lebanon, PA
    July 1996 - Dec. 2002
  • Cornerstone Dermatology Solo Practice Lebanon, PA
    Jan 2003- present