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California · 2025–26 Regular Session · Assembly Bill

AB 511: Radiologist assistants.

Did not advance Official data

  1. Introduced
  2. In committee
  3. Passed one chamber
  4. Passed both chambers
  5. Enacted
  6. Did not advance

Last official action: ·Record last updated:

Plain-language summary

AB 511 is a assembly bill introduced in the California Assembly on February 10, 2025. According to its official title, it concerns: Radiologist assistants. Primary sponsor: Phillip Chen (R). Most recent recorded action (February 2, 2026): From committee: Filed with the Chief Clerk pursuant to Joint Rule 56.

Generated automatically from the official title, sponsor list, and status record only. It does not characterize the bill’s purpose or effects. How summaries are written

Official summary

Legislative Counsel’s Digest (official, as of the latest version). Written by nonpartisan legislative staff; reproduced verbatim.

Existing law, the Radiologic Technology Act, prohibits a person from administering or using diagnostic or therapeutic X-rays on human beings in this state, unless that person either qualifies for a specified exemption or has been certified or granted a permit by the State Department of Public Health, as specified, is acting within the scope of that certification or permit, and is acting under the supervision of a healing arts licensee. A person who violates a provision of the Radiologic Technology Act or regulation of the department adopted pursuant to that act is guilty of a misdemeanor.

This bill would prohibit a person from holding themselves out as a radiologist assistant unless the person meets certain requirements, including that they have passed the radiologist assistant examination, as specified, and that they maintain current registration with prescribed entities. The bill would require a radiologist assistant to work only under the supervision of a radiologist and would prohibit a radiologist assistant from functioning in that capacity independent of a supervising radiologist. The bill, among other things, would authorize a radiologist assistant to communicate and document initial clinical and imaging observations or procedures only to a radiologist for the radiologist’s use. The bill would authorize a supervising radiologist to delegate to a radiologist assistant, as the radiologist determines appropriate to the assistant’s competence, those tasks or services that a radiologist usually performs and is qualified to perform. The bill would provide that a violation of its provisions does not constitute a misdemeanor.

Sponsors

Sponsors by party (alphabetical): Republican 1

NameRolePartyChamberDistrict
Phillip ChenPrimary sponsorRepublicanAssembly59

“Support” is shown only as formal sponsorship recorded by the legislature. Roll-call votes are available on the official bill page.

Recent official actions

  1. From committee: Filed with the Chief Clerk pursuant to Joint Rule 56.
  2. Died pursuant to Art. IV, Sec. 10(c) of the Constitution.
  3. In committee: Held under submission.
  4. In committee: Set, first hearing. Referred to suspense file.
  5. From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 17. Noes 0.) (April 1). Re-referred to Com. on APPR.
  6. Referred to Com. on B. & P.
  7. From printer. May be heard in committee March 13.
  8. Read first time. To print.

Sources

  1. California Legislative Information — pubinfo database export
  2. Official bill page