Our Staff

All professionals at Mark P. Seraly MD PC and Associates maintain the highest levels of accreditation and pursue ongoing continuing medical education, licensure, maintenance of learning, and board-certification to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training.

Mark P. Seraly MD

Mark P. Seraly, MD is a Board-Certified Dermatologist with over 23 years of clinical experience. Dr. Seraly is a graduate of Jefferson Medical College in Philadelphia, PA and completed his residency and chief-residency in dermatology at the University of Pittsburgh. He is the recipient of numerous honors and awards including membership in many academic honor societies. Dr. Seraly has authored 37 medical publications and has been invited as a guest lecturer over 200 times in 23 U.S. states and 11 cities in 7 foreign countries.  He is an active member of many professional medical societies, on the adjunct teaching faculty for the University of Pittsburgh Department of Dermatology residency program, and runs a private practice in McMurray, PA. Dr. Seraly’s particular interests in dermatology include acne, rosacea, skin cancer, cosmetic dermatology, infectious skin diseases, autoimmune disorders and tele-dermatology. He is excited to offer affordable online access to his professional services through the DermatologistOnCall - www.dermatologistoncall.com.  Dr. Seraly also provides expert medical opinions in legal matters that involve dermatology cases. 

Welcome to the practice!


Aegean H. Chan, MD

Aegean H. Chan, MD is a Board-Certified Dermatologist. She obtained her medical degree from the Albert Einstein College of Medicine in Bronx, NY where she was inducted into the Alpha Omega Alpha honor society upon graduation. She went on to the Mount Sinai Hospital in New York City for her internal medicine training and then returned to the Einstein-Montefiore Medical Center to complete a residency and chief-residency in dermatology. Dr. Chan has also performed extensive laboratory research and published on the science of the skin barrier, electron microscopy, and congenital skin diseases. She has authored numerous articles in peer-reviewed medical journals, and has presented her research at both national and regional meetings, receiving several awards for her work. In addition to her interests in complex medical dermatology, including skin cancer, autoimmune disorders and infectious diseases, Dr. Chan has a strong interest in global health which has taken her to Botswana, Haiti, and Bolivia. She strives to provide high-quality, personalized care for patients of all ages and backgrounds.


Rebecca Sally, MS, PA-C

Rebecca is a board-certified physician assistant specializing in dermatology. Prior to starting with Dr. Seraly, Rebecca received extensive training and experience practicing dermatology in Sewickley, Pennsylvania. She also has practiced as an Emergency Medicine physician assistant in Weirton, West Virginia.

Ms. Sally is a graduate of California University of Pennsylvania where she earned her Bachelors of Science degree in Biology. Rebecca then went on to earn her Masters of Physician Assistant Science Degree at Seton Hill University in Greensburg, Pennsylvania where she met her husband, Andrew.

Rebecca is a member of the American Academy of Physician Assistants, the Pennsylvania Society of Physician Assistants, the Pennsylvania Dermatology Physician Assistant Society, and the Society of Dermatology Physician Assistants.