Jeffrey E. Oken, M.D., Vice President, Medical Affairs; Chief Medical Officer; Designated Instuitional Official for the Marianjoy Residency Program. Dr. Oken is the Vice President of Medical Affairs, Chief Medical Officer and Designated Instuitional Official for the Marianjoy Physical Medicine and Rehabilitation Residency Program at Marianjoy Rehabilitation Hospital. He is an associate professor at Rosalind Franklin College of Medicine and Science, as well as a lecturer for the Department of Orthopedic Surgery and Rehabilitation at Loyola University Medical School. He has been a member of the Marianjoy Physician Council since 2001. He is also a member of the Executive Committee for the DuPage County Medical Society. He has been selected as a “Best Doctor in America” for the last ten years. A licensed physician and surgeon, Dr. Oken holds board certification in Physical Medicine and Rehabilitation, as well as subspecialty certification in Pain Medicine and Spinal Cord Medicine from the American Board of Physical Medicine and Rehabilitation. Dr. Oken has also been a physician surveyor for the Commission on Accreditation of Rehabilitation Facilities (CARF) since 1993. Dr. Oken joined the Marianjoy Medical Group in 1991. He is a graduate of the University of Illinois College of Medicine at Chicago. He did an internship at Northwestern Memorial Hospital in internal medicine and then completed his physical medicine and rehabilitation residency at Northwestern University/the Rehabilitation Institute of Chicago, where he was Chief Resident.