NPPES file of Aug 9, 2026

Diagnostic Radiology Physician in California

4,500 NPPES records list diagnostic radiology physician with a practice address in California, 12 per 100,000 residents, the 31st highest rate of 51. Los Angeles and San Diego have the most; each record links to the provider's NPI and the California license search. Page 31 of 90.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2085R0202X · 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, 594

  1. Los Angeles594
  2. San Diego373
  3. San Francisco336
  4. Stanford235
  5. Sacramento226

Diagnostic Radiology Physician records in California

  1. Jacob Harter, M.D.Santa Barbara, CA 931051063737914
  2. Lawrence Harter, MDSanta Barbara, CA 931051891749131
  3. Matthew Hartman, MDLos Angeles, CA 900891205463171
  4. Kathryn Hartmann, M.D.Oceanside, CA 920551356766026
  5. Frank Hartwick, MDLodi, CA 952401336158567
  6. Andrew HartzEl Segundo, CA 902451508325341
  7. Steven Hartzman, M.D.Santa Barbara, CA 931011255330833
  8. Jasmin Harvey, M.D.El Segundo, CA 902451982896452
  9. Lee Harvey, MDSan Diego, CA 921231306810072
  10. Ryan Harvey, MDEl Segundo, CA 902451982864542
  11. William Harvey, M.D.San Francisco, CA 941091689616757
  12. Joelle Harwin, M.D.San Francisco, CA 941101588195853
  13. Ray Hashemi, MD PHDLancaster, CA 935341851355473
  14. Omar Hassan, MDSan Francisco, CA 941431760913529
  15. Tijani Hassan, M.D.Los Angeles, CA 900331215282421
  16. Bradford Hastings, MDRoseville, CA 956611295197598
  17. Ashley Hastings-Robinson, M.D.Palo Alto, CA 943011326430141
  18. Gary Hatch, M.D.San Luis Obispo, CA 934011093874075
  19. Gasser Hathout, MDSylmar, CA 913421497863278
  20. Vikram Hatti, M.D.San Diego, CA 921051447202460
  21. Susan Hattori-Oyama, MDVallejo, CA 945891447322193
  22. John Hauschildt, MDSan Diego, CA 921231922072099
  23. Ashraf Hawari, M.D.Marina Del Rey, CA 902921609076546
  24. Kristina Hawk, MD/ PHDStanford, CA 943051861784860
  25. Nathan HawkesSan Diego, CA 921341073682720
  26. Aaron Hayashi, MDStanford, CA 943051336104082
  27. Dorian Hayes, M.D.Mather, CA 956551578547014
  28. Sean Hayes, MDWest Hollywood, CA 900481386771715
  29. Morris HayimLos Angeles, CA 900331386891182
  30. Robert Haynes, M.D.San Diego, CA 921011518977909
  31. Ivan Hayward, MDSanta Barbara, CA 931051700838778
  32. Ulrike Hayward, MDSanta Barbara, CA 931051891747812
  33. John Healy, M.D.San Diego, CA 921031376550970
  34. Gene Heard, M.D.San Diego, CA 921261760595847
  35. Frank Hebroni, M.D.Los Angeles, CA 900951437509494
  36. Stephen Hecht, M.D.Redding, CA 960021902877889
  37. Michael Hecimovich, D.O.Sacramento, CA 958161053346833
  38. Pejman Hedayati, M.D.Orange, CA 928681336278431
  39. Christopher Hedley, MEDICAL DOCTORPasadena, CA 911051417946534
  40. Jeffrey Heffernon, MDWoodland, CA 956951174625131
  41. Jared Heimbigner, D.O.San Diego, CA 921051063405777
  42. Daniel Heitz, MDPomona, CA 917671962550376
  43. Herbert Helbig, M.D.Modesto, CA 953501215975818
  44. Brett HellerEl Segundo, CA 902451942662705
  45. Tara Helling, M.D.San Diego, CA 921031093134223
  46. Daniel Helmy, M.D.Los Angeles, CA 900951023492600
  47. Naseem Helo, M.D,Loma Linda, CA 923541952691503
  48. Patrick Henderson, MDSan Diego, CA 921031740445121
  49. Steven Henderson, MDLos Angeles, CA 900251023033271
  50. Charles Hennemeyer, M.D.San Diego, CA 921031548209539

Source: CMS NPPES, primary taxonomy 2085R0202X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 31 of 51 per resident

  1. New Jersey12
  2. Arizona12
  3. Hawaii12
  4. California12
  5. South Dakota12
  6. Indiana11
  7. 50 states and D.C.13

Source: CMS NPPES, primary taxonomy 2085R0202X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

73.7% of these records appear in a Medicare file, against 73.1% 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. California73.7%
  2. United States73.1%

Diagnostic Radiology Physician records in California, measured

  • In a Medicare file3,317 of 4,500 · 73.7% here, 73.1% nationally
  • In the CMS Doctors and Clinicians file3,130 · 69.6% here, 68.5% nationally
  • Not updated in five years or more2,695 · 59.9% here, 56.9% nationally
  • Median graduation year2004 · the 3,130 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2085R0202X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

4,500 NPPES records list diagnostic radiology physician (2085R0202X) as their primary taxonomy with a practice address in California: 12 per 100,000 residents against 13 nationally (50 states and D.C.). Los Angeles has 594 of them (13%).

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. New York3,146
  2. Texas3,124
  3. Florida2,761
  4. Pennsylvania2,199

States with a similar rate per 100,000

  1. Hawaii11.6
  2. South Dakota11.5
  3. Arizona11.7
  4. Indiana11.4

The largest states

  1. New York3,146
  2. Texas3,124
  3. Florida2,761
  4. Pennsylvania2,199
  5. Illinois1,874

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.