The Cancer Registry of Greater California is a program of the Public Health Institute
Oncology Data Specialist (ODS)
Effective January 1, 2024, the National Cancer Registrars Association has renamed its credential name of Certified Tumor Registrar (CTR) to Oncology Data Specialist (ODS). For more information, visit the NCRA website at: https://www.ncra-usa.org/ODS-Credential/ODSNameChange.