Nephrology Associates of Northern Illinois and Indiana

NANI Nephrology Associates of Northern Illinois and Indiana

Billing Questions

Make a payment

Mail your payment to:
Nephrology Associates of Northern IL/IN
120 W. 22nd Street
Oak Brook, Illinois 60523

Pay by credit card: please call, 866-785-3627 on weekdays from 9:00 a.m. to 4:00 p.m. CST

Your Insurance
Even though we are contracted with most insurance providers, it is best to confirm your coverage with your insurance company directly. NANI physician services are covered by both Medicare and Medicaid.

Questions about your bill

The most efficient way to get answers to your billing questions is to call our customer service specialists at the number below:

Resources for Financial Assistance

Information about assistance for medical bills:

  • Illinois residents can look into state assistance through their healthcare portal (Off-site link).
  • Indiana residents can look into assistance from the National Kidney Foundation of Indiana at their financial assistance web page (Off-site link).
  • Cook County residents can contact the Health and Hospitals System to learn about their County Care Medicaid program (Off-site link).
  • DuPage County residents can contact Access DuPage (Off-site link) to learn about assistance they may offer.

Information about prescription drug assistance:

Information about Medicare:

Additional information: