The Largest Kidney Specialist Group in the U.S.

Leonard Potempa, MD, FACP, FASN, CSH MD

Each patient who comes to NANI will receive the best care, as an individual. NANI nephrologists and advanced practice clinicians are trained professionals in caring for kidney disease.
doctors discussing details
Hospital Affiliations:
  • Advent Health Hinsdale Hospital
  • Advent Health LaGrange Hospital
Nursing Home Affiliations:
  • Meadowbrook Manor LaGrange
Dialysis Center Affiliations:
  • Fresenius Midwest Home Dialysis
  • Fresenius Westchester

Background

Medical School
  • Loyola University Stritch School of Medicine
Residency
  • Loyola University Medical Center
Fellowship
  • Loyola University Medical Center
Certifications
  • Chicago’s Top Doctors, Chicago Magazine; Top Doctors-Chicago Metro Area-Castle Connolly Medical Ltd.; Top Doctors in the Chicago Area-Chicago Consumer’s Checkbook; Guide to America’s Top Physicians, Consumer’s Research Council of America; U.S. News-Top Doctors, US News and World Report (usnews.com); Fellow, American College of Physicians; Fellow, American Society of Nephrology; Medical Director Fresenius Westchester Dialysis; Board Certified, American Board of Internal Medicine (Internal Medicine), Board Certified, American Board of Internal Medicine (Nephrology); Board Certified, National Board of Physicians and Surgeons (Internal Medicine); Board Certified, National Board of Physicians and Surgeons (Nephrology); Member, American Society of Hypertension; American Society of Hypertension Certified Specialist in Clinical Hypertension

Office

LaGrange Office
  • 5201 S Willow Springs Road, Suite 260, Lagrange, IL 60525
  • Phone: 708-354-1306
  • Fax: 708-354-1538
  • Directions / Map

Nephrology Associates of Northern Illinois and Indiana

DoctorTemp- Your Journey, YOur Pace
Your Journey, YOur Pace

We focus on our patients and have the resources to offer them the best in kidney care. It’s all a part of NANI’s scope of excellent care and services.

doctor pointing to a model of a kidney
state-of-the-art services

Services may be in dialysis centers, vascular access surgicenters, nursing homes, hospitals and labs located conveniently to our patients.

DoctorTemp- Your Partners in recovery
Your Partners in recovery

Our doctors care for those with kidney disease, kidney injury, kidney transplant and difficult to control hypertension.