Nephroceuticals
Clinical Advisory Boards


Kidney, Heart & Eye Health Professionals

The Nephroceuticals leadership team brings expertise, research, and dedication to create doctor formulated supplements for Kidney, Heart & Eye health.

Joel D. Kopple, MD

ProRenal Advisory Board Chair

Professor of Medicine and Public Health
Harbor-UCLA Medical Center
UCLA School of Medicine and Public Health
Chair, KDOQI Clinical Practice Guidelines for Nutrition Work Group
Past President, National Kidney Foundation

Dr. Allen Nissenson MD, FACP, FASN, FNKF

ProRenal Advisory Board Member

Emeritus Professor of Medicine
David Geffen School of Medicine
University of California, Los Angeles
Co-Chair Kidney Care Partners Quality Initiative

Dr. David Kracker

ProRenal Advisory Board Member

Medical Director, Fresenius Medical Care
Partner, Nephrology Associates Northern Illinois
Clinical Teaching Professor, West Suburban Hospital, Illinois
Past Medical Staff President, Rush Oak Park Hospital, Illinois
Member, American Society of Nephrology
Nephrology fellowship completed at New York Hospital/Cornell University

Robert Provenzano, MD

ProRenal Advisory Board Member

Section Head, Nephrology, St. John’s Hospital
Associate Clinical Professor Of Medicine
Wayne State University School of Medicine
Chief Medical Officer, Nephrology Practice Services, DaVita Inc.
Vice President of Business Development, Davita Inc
Past President, Renal Physicians Association (RPA)

Alison Steiber, PhD, RD, LD

ProRenal Advisory Board Member

Editorial Board of the Journal of Renal Nutrition
Council of Renal Nutrition, Executive Research Committee
Assistant Professor of Nutrition
Case Western Reserve University

Jeffrey Hymes, MD

ProRenal Advisory Board Member

Chief Medical Officer, Fresenius Medical Care
Co-Founder, President, and Chief Medical Officer, National Nephrology Associates, Inc.
Co-Founder REN Corporation
Medical internship and residency at Yale New Haven Medical Center with subspecialty training in nephrology at Boston University

John Wigneswaran, MD

ProRenal Advisory Board Member

Chief Medical Officer, DaVita RX
Vice President, Clinical Affairs, DaVita Inc.
Former Vice President of Market Development and Clinical Strategy, Fresenius Medical Care
Former head of Medical Affairs, CHF Solutions/Baxter
Former Director of Medical Affairs, Scios Inc.
Nephrology fellowship completed at New York Hospital/Cornell University

Geoffrey Block, MD

ProRenal Advisory Board Member

Clinical Associate Professor of Medicine University of Colorado Health Sciences Center
Director of Clinical Research, Denver Nephrology, Denver, CO
Attending physician St. Josephs Hospital
Nephrology fellowship completed at University of Michigan at Ann Arbor