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Physician Directory

Dr. Mark S. O'Brien, MD

Internal Medicine, Obrien & Green Mds

Dr. O'Brien's Background Bio

Dr. Mark S. O'Brien has been practicing medicine for 34 years. Dr. O'Brien graduated from the Wayne State University School of Medicine in 1980. He practices medicine in Grand Rapids, MI and specializes in Internal Medicine and Nephrology. Dr. O'Brien is affiliated with Spectrum Health Hospital Group, Spectrum Health Blodgett Campus and Spectrum Health United Hospital.

Gender: Male

Years in Practice: 34 Years

Languages Spoken: English

Dr. O'Brien's Education & Training

Medical School: Wayne State University School of Medicine

Graduation Date: 1980

Dr. O'Brien's Specialties & Hospital Affiliations

Hospital Affiliations: Spectrum Health Hospital Group, Spectrum Health Blodgett Campus, Spectrum Health United Hospital

Specialties: Internal Medicine, Nephrology

Other Physicians in Dr. O'Brien's Practice