In Dr. Warren's practice, he is particularly interested in bloodless medicine/transfusion-free surgery. His professional affiliations include Providence - Providence Park Hospitals and St. John Macomb-Oakland Hospital, Warren Campus. He takes several insurance carriers, including AARP, Cofinity, and Blue Cross/Blue Shield. He studied medicine at Midwestern University, Chicago College of Osteopathic Medicine. For his residency, Dr. Warren trained at Botsford Hospital.