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X-ray Registration Contacts

radiologic health branch (RHB)

Radiation (X-ray) Machine Registration Contacts

The contacts on this page are specifically for X-ray facilities and machine registration. Contacts for other topics can be found on the relevant topic’s page or the main RHB contact page. Inquiries will be responded to within 3 business days.

By Email

For questions specifically relating to any of the following topics: New or Pending Registration Submission Statuses Existing Registered Facility Machine Inventories General inquiries related to the x-ray registration process Assistance or guidance with the x-ray machine registration portal Issuance of duplicate certificates (for active and current facilities only) X-ray service and installation vendors may submit copies of the FDA 2579 form as required by Title 17 CCR § 30118.	XrayRegistration@cdph.ca.gov
For questions specifically relating to any of the following topics: X-ray facility registration renewal invoices and payment status Registration fees Payment methods and processes	rhbreg@cdph.ca.gov (renewal payments and invoices ONLY) cdph.rhbinvoice@cdph.ca.gov (online portal payments ONLY)
For questions specifically relating to any of the following topics: Mammography Facility authorization, machine certification, and physicist authorizations Therapeutic Facility authorization and physicist authorization	RHBRMT@cdph.ca.gov
For questions specifically relating to any of the following topics: State-level X-ray facility inspections DIQUAD machine testing Regulatory requirements related to required postings, safety programs, shielding and badging Temporary (<30 days) registration for vendor demo’s and interstate mobile x-ray operators	RHBDIQUAD@cdph.ca.gov (Diquad testing inquiries only) Other inspection and compliance related inquiries should be directed to our compliance staff. Please use the topic link.

By Phone

RHB Sacramento Office (Main): Phone: (916) 327-5106

The phone tree will direct callers to the correct unit. Received voicemails will be distributed as appropriate.

By Mail

RHB Sacramento Office (Main):
USPS Mailing Address	California Department of Public Health Radiologic Health Branch P.O. Box 997414, MS 7610 Sacramento, CA 95899-7414
Physical Address (for FEDEX, UPS, etc.)	California Department of Public Health Radiologic Health Branch 1500 Capitol Avenue, 5th Floor, MS 7610 Sacramento, CA 95814-5006