Mark B. Szymanski, M.D., FASCP, Dermatopathologist

Dr. Mark Szymanski has been practicing Dermatopathology in Northeastern Pennsylvania since 1998 and is widely recognized as the regional expert in the microscopic diagnosis of pigmented and inflammatory skin diseases. Dr. Szymanski completed his residency training in Anatomic Pathology at Geisinger Medical Center and a Dermatopathology Fellowship at Thomas Jefferson University Hospital. There, he studied under Dr. Bernard Ackerman, recognized internationally as the world's leading educator in microscopic study of pigmented and inflammatory skin diseases. He is certified by both the American Board of Dermatology and the American Board of Pathology in Dermatopathology. He is also a diplomat of the American Board of Pathology in Anatomic and Clinical Pathology.

Michael A. Casey, M.D., FCAP, FASCP, Dermatopathologist

Dr. Michael Casey joined Northeast Dermatopathology Institute in July of 2017 following the completion of his dermatopathology fellowship.  Dr. Casey completed the New York University (NYU) School of Medicine pathology residency program, where he trained in anatomic and clinical pathology at NYU Tisch Hospital and Bellevue Hospital in Manhattan.  He then began his subspecialty training in the Albert Einstein College of Medicine dermatopathology fellowship program in Bronx, New York.  While there he trained in dermatology and dermatopathology at Montefiore Medical Center, Jacobi Medical Center and Dermpath Diagnostics – New York.  Dr. Casey earned his doctorate in medicine at Drexel University College of Medicine in Philadelphia and he has a bachelor’s degree in biomedical engineering from Marquette University in Milwaukee, Wisconsin. 


Dr. Casey is certified by the American Board of Pathology in anatomic and clinical pathology and he is certified by the American Board of Dermatology and the American Board of Pathology in Dermatopathology.