Daniel Hakeem, PA-C

Alison Diesel, PA-C, is a dedicated physician assistant at Atlantic General Internal Medicine in Berlin, Maryland, providing primary care to adult patients. A Worcester County native, she holds a Bachelor of Science in Biology from Towson University and a Master of Science in Physician Assistant Studies from Keiser University. Joining the Atlantic General Health System in 2024, Mary Mason, DNP, CRNP, FNP-BC, also contributes to expanding access to primary care services in Berlin and surrounding communities. With a Bachelor of Science in Nursing from the University of Memphis, Mary brings over a decade of experience to her role in enhancing patient care. Generated from the website

Isaac Ball, PA-C received his Bachelor of Science in Community Health from the University of Maine at Farmington and his Master of Science in Physician Assistant Studies from the University of New England in Portland, Maine.Ball is a board-certified physician assistant who has more than a decade of experience in various specialties such as emergency medicine, orthopedics, and urology, where he has spent most of his career.

Steven Wisniewski, PA-C received his Bachelor of Science in Biology from Ursinus College in Collegeville, Pa.; his physician assistant certificate from Anne Arundel Community College in Annapolis, Md.; and his Master of Medical Science from Saint Frances University in Loretto, Pa. He also completed a postgraduate surgical physician assistant residency at Johns Hopkins Hospital in Baltimore, Md. Wisniewski has more than a decade of experience as a cardiovascular surgery physician assistant, as well as special training and certifications in many areas, including extracorporeal life support in adult critical care and advanced cardiac life support.