NPPES file of Aug 9, 2026

Radiology Practitioner Assistant in California

13 NPPES records list radiology practitioner assistant with a practice address in California, 0 per 100,000 residents, the 44th highest rate of 46. Murrieta and Rancho Cucamonga have the most; each record links to the provider's NPI and the California license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 243U00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Murrieta has the most, 2

  1. Murrieta2
  2. Rancho Cucamonga2
  3. Bakersfield1
  4. Chico1
  5. Corona1

Radiology Practitioner Assistant records in California

  1. Leo Baca, RPAMurrieta, CA 925621295492957
  2. Anhthu Bui, RRA/RPALaguna Hills, CA 926531467267740
  3. Harold Dien, R.T.(R)(ARRT), RPASan Bernardino, CA 924041740973866
  4. Janis Fodran-Keeney, RPANorthridge, CA 913251497448625
  5. Maren Grimm, RPASanta Ana, CA 927051679266753
  6. Monica LauBakersfield, CA 933111447541339
  7. Khalil LongMurrieta, CA 925621508540519
  8. Donald Monroe, RPAChico, CA 959261881889244
  9. Jacqueline Ortiz-Figueroa, RPARiverside, CA 925031811680044
  10. Fatima Rizvi, RPARancho Cucamonga, CA 917301891488037
  11. Marilyn Roberts, RPARancho Cucamonga, CA 917301124275276
  12. Simon Trossbach, RPAPalm Desert, CA 922601356025480
  13. Susan Zaki, RPA (CBRPA), R.T.Corona, CA 928821275227217

Source: CMS NPPES, primary taxonomy 243U00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 44 of 46 per resident

  1. Maryland0.0
  2. New Jersey0.0
  3. Alabama0.0
  4. California0.0
  5. Illinois0.0
  6. Nevada0.0
  7. 50 states and D.C.0.1

Source: CMS NPPES, primary taxonomy 243U00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

0.0% of these records appear in a Medicare file, against 0.3% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. California0.0%
  2. United States0.3%

Radiology Practitioner Assistant records in California, measured

  • In a Medicare file0 of 13 · 0.0% here, 0.3% nationally
  • In the CMS Doctors and Clinicians file0 · 0.0% here, 0.3% nationally
  • Not updated in five years or more4 · 30.8% here, 57.7% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 243U00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

13 NPPES records list radiology practitioner assistant (243U00000X) as their primary taxonomy with a practice address in California: 0 per 100,000 residents against 0.1 nationally (50 states and D.C.). Murrieta has 2 of them (15%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Indiana14
  2. Massachusetts12
  3. Arizona11
  4. Oklahoma15

States with a similar rate per 100,000

  1. Texas0.1
  2. Florida0.1
  3. North Carolina0.2
  4. Georgia0.2

The largest states

  1. Texas39
  2. New York32
  3. Florida31
  4. Pennsylvania27
  5. Colorado26

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.