Mark Christopher Walker, MD, Psychiatry & Neurology

1 E Wacker Dr
Ste 2100
Chicago, IL  60601-1802 (Cook County)

Phone: 312-908-7878
Fax: 630-655-0728
Email: zek***@*****ol.com

NPI: 1265561724
License Number: 36-063569 (IL)