Dr. Mary Ellen E. Pfeiffer graduated from the Lake Erie College of Osteopathic Medicine, Erie Campus in 2005. She works in York, PA and specializes in Internal Medicine. Dr. Pfeiffer is affiliated with Wellspan Health Gettysburg Hospital and Wellspan York Hospital. She speaks English, Italian and Spanish.
Years in Practice: 10 Years
Languages Spoken: English, Italian, Spanish
Medical School: Lake Erie College of Osteopathic Medicine, Erie Campus
Graduation Date: 2005
Specialties: Internal Medicine