Patient reviews placed him at an average of 2.5 stars out of 5. Dr. Nicholson is professionally affiliated with Rush Oak Park Hospital. He is an in-network provider for Humana HMO, Humana Bronze, Humana Catastrophic, and more. Dr. Nicholson attended medical school at Indiana University School of Medicine. For his residency, Dr. Nicholson trained at the University Hospitals, Cleveland.