Leonard Potempa, MD

3825 Highland Ave. Tower 1, Ste. 4C
Downers Grove, Illinois 60515

Leonard D. Potempa, MD


Nephrology Associates of Northern Illinois

3825 Highland Ave.
Tower 1, Ste. 4C
Downers Grove, Illinois 60515
Fax: (630) 968-1590
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About Me

I feel that we should treat people rather than diseases, with attention to detail, good judgment, and timely intervention when needed.

  • Nephrology
  • Internal Medicine
  • Residency Loyola University
  • Fellowship Loyola University
  • Internship Loyola University
  • Medical School Loyola University
  • Nephrology
  • AMITA Health Adventist Medical Center Bolingbrook
  • AMITA Health Adventist Medical Center GlenOaks
  • AMITA Health Adventist Medical Center Hinsdale
  • AMITA Health Medical Group Family Medicine La Grange
Medical Interests
  • Blood Pressure
  • Dialysis
  • Kidney Disease
  • Plasmaphoresis
  • Renal Biopsy
  • Second Opinions
  • Vascular Surgery
Office Number(630) 968-1595

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Insurance Types Accepted

  • Adventist Health Network
  • Blue Cross/Blue Shield HMO
  • Blue Cross/Blue Shield PPO
  • Cigna HMO
  • Cigna PPO
  • Humana HMO
  • Humana POS
  • Humana PPO
  • Kidcare
  • Medicaid
  • Medicare
  • Multiplan PPO


AMITA Health offers a full range of services for you and your family. From acute care and obstetrics to cardiac and emergency care, we're committed to providing quality care that is open, inclusive and compassionate, delivered with dignity and empathy for all.

Our Story

Our Story

AMITA Health is a faith based health system created by Adventist Midwest Health and Alexian Brothers Health System. AMITA Health is focused on delivering the most efficient, highest-quality, faith-based care possible. We are a new health system that integrates our founding organizations' nine hospitals and an extensive physician provider network of more than 3,000 physicians. 

Clinical Research

Clinical Research

AMITA Health is committed to advancing medicine through clinical research. Clinical research trials are a way to test the safety and effectiveness of new ideas and procedures in an ethical, controlled environment. Many of the current medical treatments available today were developed in a clinical research trial.