Faculty and Current Fellows

Children’s Nephrology program boasts one of the country’s largest and most diverse faculties by virtue of age, experience, gender and ethnicity. Each faculty member is unified in supporting fellows both professionally and personally. 

Our leadership

Larry Greenbaum, M.D., Ph.D., Chief of Pediatric Nephrology, is a highly respected clinician who balances an incredible portfolio of clinical research studies while actively supporting his faculty and fellows. He is a national academic leader who brings a special passion and energy to his patients and co-workers.

Barry Warshaw, M.D., Nephrology Fellowship Program Director and Medical Director of the Kidney Transplant Program, is a distinguished physician who has helped lead the Children’s nephrology and kidney transplant programs for more than 35 years. He serves as the primary mentor for the weekly fellow continuity clinic and as an inpatient attending physician who rotates with the full nephrology faculty.

Current Fellows

  • Alana Karp, M.D.
  • Loretta Reyes, M.D.
  • Rima Zahr, D.O.