Dr. Mark S. O'Brien graduated from the Wayne State University School of Medicine in 1980. He works in Grand Rapids, MI and specializes in Internal Medicine and Nephrology. Dr. O'Brien is affiliated with Spectrum Health Blodgett Campus, Spectrum Health United Hospital and Spectrum Health Grand Rapids. He speaks English and Russian.
Years in Practice: 34 Years
Languages Spoken: English, Russian
Medical School: Wayne State University School of Medicine
Graduation Date: 1980
Specialties: Internal Medicine, Nephrology