NPPES file of Aug 9, 2026

Diagnostic Ultrasound Physician in California

75 NPPES records list diagnostic ultrasound physician with a practice address in California, 0.2 per 100,000 residents, the 11th highest rate of 47. Los Angeles and Glendale have the most; each record links to the provider's NPI and the California license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2085U0001X · method

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

Los Angeles has the most, 9

  1. Los Angeles9
  2. Glendale4
  3. Menifee3
  4. San Diego3
  5. San Francisco3

Diagnostic Ultrasound Physician records in California

  1. Roger Orlik, RDMS, RVTMission Viejo, CA 926911598473837
  2. Allen Oshita, M.D.San Francisco, CA 941181669412029
  3. Puja Parikh, ARDMSArleta, CA 913311942798699
  4. Shree Patel, RDCS, RDMS, MSPalo Alto, CA 943041144859323
  5. Shushan Petrosyan, RDCS, RDMS, RVTFresno, CA 937101104502806
  6. Anna Quesada, RDMS (ABD)Menifee, CA 925871043189202
  7. Hongik Ro, M.D.Pomona, CA 917671669486312
  8. Karina Rosas, RDMS OBGYNTorrance, CA 905021467123398
  9. Daniel Rubin, MDStanford, CA 943051932234945
  10. Seyed Sadatian, RDCS, RDMS, RVTPalo Alto, CA 943041336676881
  11. Alonso SalinasEl Centro, CA 922431134999360
  12. Robert Sinow, M.D.Torrance, CA 905021396797080
  13. Mary Spencer-Smith, M.D.Los Angeles, CA 900331790714020
  14. Roya Tadayyon, DMSLincoln, CA 956481952059222
  15. Jonathan Tiefenbrun, M.D.La Mesa, CA 919421265437727
  16. Dennis Trang, M.D.Los Angeles, CA 900271992819015
  17. Alina TsengHacienda Hts, CA 917451881313724
  18. Charles Tujo, MDTravis Afb, CA 945351801893276
  19. Mia Verbonitz, RVT, RDMSMenifee, CA 925851649825803
  20. Stephen VoFullerton, CA 928311871175786
  21. Christina Wade, MDGlendale, CA 912081235205543
  22. James Warden, M.D.Vista, CA 920811316024516
  23. Sarah WynglarzBuena Park, CA 906201215753868
  24. Anthony Yipp, M.D.San Gabriel, CA 917761528127800
  25. Semyon Zakiyan, RVT,RDCS,RDMSNorth Hollywood, CA 916061811769367

Source: CMS NPPES, primary taxonomy 2085U0001X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 11 of 47 per resident

  1. Connecticut0.2
  2. Louisiana0.2
  3. Hawaii0.2
  4. California0.2
  5. New Mexico0.2
  6. Arizona0.2
  7. 50 states and D.C.0.1

Source: CMS NPPES, primary taxonomy 2085U0001X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

18.7% of these records appear in a Medicare file, against 17.2% 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. California18.7%
  2. United States17.2%

Diagnostic Ultrasound Physician records in California, measured

  • In a Medicare file14 of 75 · 18.7% here, 17.2% nationally
  • In the CMS Doctors and Clinicians file9 · 12.0% here, 15.2% nationally
  • Not updated in five years or more33 · 44.0% here, 38.4% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2085U0001X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

75 NPPES records list diagnostic ultrasound physician (2085U0001X) as their primary taxonomy with a practice address in California: 0.2 per 100,000 residents against 0.1 nationally (50 states and D.C.). Los Angeles has 9 of them (12%).

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. Florida41
  2. Texas38
  3. New York35
  4. Illinois29

States with a similar rate per 100,000

  1. Arizona0.2
  2. Louisiana0.2
  3. Washington0.2
  4. Tennessee0.1

The largest states

  1. Florida41
  2. Texas38
  3. New York35
  4. Illinois29
  5. Pennsylvania17

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.