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radiologic health branch (RHB)

What’s New ​& Important Notices

​Welcome to RHB’s webpage for New information and Important Notices. RHB regulates numerous aspects of ionizing radiation and its use including medical, industrial, manufacturing, and mammography.

Important Notice: The information you provide to the RHB may be disclosable under the California Public Records Act (PRA). In response to PRA requests, RHB may release the address of record for Radiologic Technologists, X-ray Technicians, Nuclear Medicine Technologists, and Certified Supervisor and Operators. If you wish to provide RHB with an alternate address that will be released to the public upon request, please submit form CDPH​ 8391 (PDF).​

Health Professionals (X-ray & NMT)

Mammography Facilities

  • Skip to main contentEffective October 1, 2025, the RHB will begin issuing digital State Mammography Machine Certificates for Dedicated Breast CT Machines. Visit our Mammography Facilities Page for more details. ​

​X-ray Machine Registration​

  • Effective June 26, 2024, Radiologic Health Branch (RHB) will no longer issue Certificates of [X-ray Machine] Registration upon initial registration or renewal.​

  • Registration verification is now available through online registration verification page.​​​​​​​

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