Office Location

Northern Illinois Center for Functional Medicine
31 North Virginia Street
Crystal Lake, IL 60014

(in the building of Gary Oberg, MD
Northern Illinois Center for Integrated Healthcare)

Phone: 815-585-3002
Fax: 815-526-3946


  • Mon, Tues, Thurs, Fri 9:30 am – 5 pm
  • Wednesday Closed
  • Saturday 9 am – 12 pm

Video-conferencing visits available by special arrangement

To contact Dr. Karney after hours or via email, please complete the following form.