Find A Doctor

How to use the directory

  • Select either the “U.S. Search” or “International Search” tab to view a map with the locations of all doctors in the database
  • Filter the list of physicians by specialty and/or location by using the drop-down boxes and clicking “search”, or enter the name of a specific doctor, city or institution in the “keyword search” box
  • View the details and contact information for individual physicians by clicking a map pin, or scrolling through the provider list displayed underneath the map.

    Note: If you’d like to update or add an entry to our database, please click here.

Howard Katzenstein MD

Division Chief - Hematology/Oncology, Division of Pediatric Hematology/Oncology

Nemours Children's Health System

807 Childrens Way
8th Floor
Jacksonville, Florida 32207

Additional detail: