Dr. Mark J. Brennan graduated from the Philadelphia College of Osteopathic Medicine in 1994. He works in Johnson City, NY and specializes in Surgery and Vascular Surgery. Dr. Brennan is affiliated with Binghamton General Hospital and Wilson Medical Center.
Years in Practice: 21 Years
Languages Spoken: English
Medical School: Philadelphia College of Osteopathic Medicine
Graduation Date: 1994
Specialties: Surgery, Vascular Surgery