Dr. Matthew J. O'brien Jr has been practicing medicine for 36 years. Dr. O'brien Jr graduated from the University of Buffalo, SUNY School of Medicine and Biomedical Sciences in 1978. He practices medicine in Buffalo, NY and 1 other location and specializes in Internal Medicine. Dr. O'brien Jr is affiliated with Mercy Hospital Of Buffalo, Kenmore Mercy Hospital, Buffalo General Medical Center and Sisters Of Charity Hospital Saint Joseph Campus.
Years in Practice: 36 Years
Languages Spoken: English
Medical School: University of Buffalo, SUNY School of Medicine and Biomedical Sciences
Graduation Date: 1978
Specialties: Internal Medicine
*This physician has multiple office locations. See Appointments for details.