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Physician Directory

Dr. Matthew J. O'brien Jr, MD

Internal Medicine, Buffalo Medical Group

Dr. O'brien Jr's Background Bio

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 Kenmore Mercy Hospital, Mercy Hospital Of Buffalo, Sisters Of Charity Hospital Saint Joseph Campus and Buffalo General Medical Center.

Gender: Male

Years in Practice: 36 Years

Languages Spoken: English

Dr. O'brien Jr's Education & Training

Medical School: University of Buffalo, SUNY School of Medicine and Biomedical Sciences

Graduation Date: 1978

Dr. O'brien Jr's Specialties & Hospital Affiliations

Hospital Affiliations: Kenmore Mercy Hospital, Mercy Hospital Of Buffalo, Sisters Of Charity Hospital Saint Joseph Campus, Buffalo General Medical Center

Specialties: Internal Medicine

Dr. O'brien Jr's Office Information

*This physician has multiple office locations. See Appointments for details.

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