Dr. John M. Barnwell has been practicing medicine for 25 years. Dr. Barnwell graduated from the Howard University College of Medicine in 1989. He practices medicine in Detroit, MI and specializes in Surgery. Dr. Barnwell is affiliated with Providence Hospital, Harper University Hospital and Sinai Grace Hospital.
Years in Practice: 25 Years
Languages Spoken: English
Medical School: Howard University College of Medicine
Graduation Date: 1989