Emergency Department
Emergency Specialists
Qualified trauma surgeons and physicians, specially trained in critical care, clinical emergencies and cardiac methods and advanced cardiac support are available to provide the most comprehensive emergency care possible.
We also have staff available in surgery, anesthesia, radiology, cardiology, internal medicine, gynecology, obstetrics, pediatrics, neurology, and orthopedics, as well as other medical specialties including on-site Primary Angioplasty at the Lowell General Hospital main campus.
Emergency Department Physicians

Nathan R. MacDonald MD, FACEP
President of the Medical Staff

Jonathan Drake MD, MS, FACEP
Chief of Emergency Medicine, Medical Director of Emergency Medicine and Emergency Medical Services

Jose D. Ponce Rios MD
Medical Director of Pediatric Emergency Services
Susan Ly MD, MPH
Ravi Murthy MD

Marc N. Roy MD
David L. Sciacca MD, FACEP
Clinical Leadership

Nathan R. MacDonald MD, FACEP
President of the Medical Staff

Roy R. Shen MD
Medical Director of the Trauma Program, Surgeon

Tracie McPadden MSN, RN, CEN, CPEN
Associate Chief Nursing Officer for Emergency and Urgent Care Services

Tracy Thorn MSN, BSN, RN, NE-BC, TCRN, CEN
Executive Director of Emergency Services

Nicole Wall BSN, RN
Behavioral Health Services Line Director
