Unmatched Expertise: Our Mentor Research Physicians
The CKD and Rare Disease Network has an extensive and wide-reaching network of Mentor Research Physicians. Our premier network of Investigators includes these physicians with extensive experience conducting clinical trials across all stages of chronic kidney disease (CKD). For your next CKD or rare disease trial, contact DaVita Clinical Research to discuss how you can benefit from DCR through our data-driven process and decentralized model.

Jeffrey Connaire, MD
Education: University of Minnesota Medical School
• Investigator on over 85 research protocols
• Phase 1 - 4 research experience
• 10 abstracts
• 4 journal publications
• Professional memberships:
• American Society of Nephrology

Tamara Isakova, MD, MMSc
Education: SUNY Downstate Medical Center College of Medicine
• Investigator on over 26 research protocols
• MMSc: Harvard Medical School (2009)
• 122 journal publications
• Professional memberships:
• American Society of Nephrology

Kirsten Lee Johansen, MD
Education: Duke University School of Medicine
• Investigator on over 26 research protocols
• Director, Division of Nephrology, Hennepin Healthcare
• 254 journal publications
• Professional memberships:
• American Society of Nephrology

Mark Vishnepolsky, MD, MBA
Education: Ohio State University College of Medicine
• Investigator on over 30 research protocols
• Phase 2 - 4 research experience
• 3 journal publications
• Professional memberships:
• American Society of Nephrology (FASN)
• Renal Physicians Association
• American College of Physicians (FACP)