Kidney Disease 

Patient Care Team

Valerie Lynne Johnson, MD, PhD
Eduardo M. Perelstein, MD

Chiefs, Pediatric Nephrology

Juhi Kumar, MD

Mary Montalvo

Divisional Administrator

Christa Gardner, RN
Registered Nurse

Wanda Grobelkiewicz
Ria Alexander

Senior Medical Secretaries

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Specialty or Expertise

Contact Us

Division of Pediatric Nephrology
505 East 70th Street
Helmsley Tower, 3rd Floor
New York, NY 10021

Phone: (646) 962-4324
Fax: (646) 962-0246

For office hours and staff information, view our medical practice page.