Gregory Warren, M.D.

Dr. Warren specializes in kidney disease, including caring for patients requiring dialysis.  He provides compassionate and personalized care to each patient.   

In 1989, Dr. Warren established Midwest Nephrology Associates and he has held a Clinical Adjunct Assistant Professor of Medicine appointment at the University of Wisconsin since 2015. 

Dr. Warren is Medical Director of the Fresenius Medical Care Ryan Road Dialysis Clinic.

Patient Care Focus
Chronic Kidney Disease
Acute Kidney Disease
Chronic Dialysis
Kidney Stones
Diabetic Kidney Disease

Medical Education
Mysore Medical College (Degree earned: MD)

Residency
Christ Hospital and Medical Center - Internal Medicine

Fellowships
Nephrology - Rush-Presbyterian-St. Luke's Medical Center

Board Certifications
Internal Medicine - American Board of Internal Medicine
Nephrology - American Board of Internal Medicine

Professional Societies
American Society of Nephrology
Milwaukee Medical Society

Distinctions
President of Midwest Nephrology Associates, 1989-2014                                   Past member of the Medical Review Committee for Renal Network 11