Dr. Zinkel graduated from University of Cincinnati College of Medicine in 1983 and has been in practice for 34 years. He completed a residency at Suny Health Science Center. He currently practices at John L Zinkel MD and is affiliated with Beaumont Hospital Grosse Pointe. Dr. Zinkel accepts multiple insurance plans including Aetna, Blue Cross Blue Shield of Michigan and Medicare. Dr. Zinkel is board certified in Neurological Surgery.