Bala Dermatology is a full-service dermatology office located in Bala Cynwyd, PA, serving patients throughout the Main Line, Philadelphia, and surrounding communities. We provide early detection and treatment of skin cancer, care for a wide range of skin conditions, and cosmetic treatments designed to enhance the appearance and health of your skin. Dr. Mary Griffin and the Bala Dermatology team are committed to providing experienced, personalized dermatologic care with timely appointment scheduling. We look forward to helping patients achieve their best, healthiest skin!
Mary E. Griffin, D.O., FAAD

Mary Elizabeth Griffin, D.O. is a board-certified dermatologist who has been in practice since 2004. Dr. Griffin completed her undergraduate education at Bucknell University where she was a member of Phi Sigma Honor Society. She earned her medical degree from Philadelphia College of Osteopathic Medicine and was Chief Resident of Dermatology at Lehigh Valley Hospital. Dr. Griffin is a Fellow of the American Academy of Dermatology.
Dr. Griffin practices medical, surgical and cosmetic dermatology. She has a special interest in treating and preventing skin cancer. She also enjoys helping patients to age gracefully with the help of nonsurgical cosmetic options including neuromodulators, dermal fillers, chemical peels and laser treatments. In addition to her clinical practice, Dr. Griffin is actively involved in medical education teaching medical students during their clinical rotations.
Amy Jones, Physician Assistant

Amy is a seasoned board-certified Physician Assistant, practicing dermatology since 2005. She earned her Bachelor’s Degree in Biology with a minor in French from Bucknell University and later obtained her Master of Medical Science (MMS) from Arcadia University.
With board certifications in Lifestyle Medicine and certification in Plant-Based Nutrition, Amy offers a unique blend of medical dermatology and holistic wellness. Her approach focuses on alleviating symptoms while treating the root causes of disease, promoting a youthful, medication-free life for her patients.
Beyond her practice, Amy mentors Physician Assistant students, lectures on dermatology, Lifestyle Medicine and nutrition, and conducts engaging healthy cooking classes to students. She also provides health coaching to guide patients towards well-being.
In her free time, Amy enjoys an active lifestyle, including running, skiing, golf, tennis, and volleyball. She’s a culinary enthusiast, an avid reader, a traveler, a medical volunteer overseas, and cherishes time with her family and two children. Amy values a holistic approach to healthcare and vibrant living.
William K. Sherwin, M.D., PhD
Dr. William Sherwin was a key part of Bala Dermatology for over 40 years before his retirement in 2021. We remember him with respect and gratitude for his many years of dedication to his patients, the practice, and the Main Line community.
Our Staff Members

With many years of experience in medical offices and hospitals, the staff at Bala Dermatology enjoys taking care of our patients’ dermatology needs.
Our goal is to make your visit to our Bala Cynwyd dermatology office as comfortable and easy as possible. Each of us takes pride in providing excellent care to our patients, from the minute you arrive in our office until your skin issues are completely resolved.

