Meet Our Bariatric Surgeons

The bariatric surgery team at MacNeal Hospital is made of compassionate individuals who specialize in minimally invasive bariatric surgery options and comprehensive pre- and postoperative care.

Mark S. Choh, MD

Mark S. Choh, M.D. received his medical degree from Tufts University School of Medicine in Boston and completed his residency in general surgery at Rush University Medical Center in Chicago. He also completed a fellowship in minimally invasive laparoscopic, bariatric and robotic surgery at the University of Illinois – Chicago.

Ryan C. Headley, MD

Ryan C. Headley, M.D. received his medical degree from the University of Iowa College of Medicine, Iowa City, and completed his residency in general surgery at the University of Chicago in Chicago.

Wayne Yang, MD

Wayne Yang, M.D. received his medical degree from Wayne State University School of Medicine in Detroit and completed his residency in general surgery at Beaumont Health System in Royal Oak, MI. He also completed a fellowship in bariatric and minimally invasive surgery at Carolinas Medical Center in Charlotte, NC.

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