NPPES file of Aug 9, 2026

Internal Medicine Physician in California

17,696 NPPES records list internal medicine physician with a practice address in California, 45 per 100,000 residents, the 17th highest rate of 51. Los Angeles and San Francisco have the most; each record links to the provider's NPI and the California license search. Page 140 of 354.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · 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, 1,423

  1. Los Angeles1,423
  2. San Francisco1,318
  3. San Diego961
  4. Sacramento601
  5. Oakland432

Internal Medicine Physician records in California

  1. Zhibin Jiang, MDBeale Afb, CA 959031245480086
  2. Thanavut Jiansakul, M.D.Los Angeles, CA 900291558507665
  3. Lu Jiao, MDPasadena, CA 911051023162187
  4. Arek Jibilian, M.D.Los Angeles, CA 900331073716692
  5. Ahamed Jiffry, MDSan Bernardino, CA 924041295848679
  6. Jane Jih, MD, MPHSan Francisco, CA 941151902068208
  7. Jason Jilk, MDAnaheim, CA 928081811213382
  8. Arsenio Jimenez, M.D.Escondido, CA 920251235317751
  9. Cesar Jimenez, MDWest Covina, CA 917901114099942
  10. Javier Jimenez, MDLong Beach, CA 908221457813560
  11. Lina Jimenez, MDEl Monte, CA 917331992724926
  12. Lourdes Jimenez, MDAntioch, CA 945091619041936
  13. Martin Jimenez, MDOakland, CA 946111821162132
  14. Adria Jimenez Bacardi, MDSan Diego, CA 921031467847293
  15. Miguel Jimenez Ulloa, M.D.Anaheim, CA 928011497064794
  16. Carlos Jimenez-Grillo, M.D.Chula Vista, CA 919131144267188
  17. Alberto Jimeno, MDLos Angeles, CA 900221629164900
  18. Julie Jin, MDSanta Clara, CA 950511992440085
  19. Lan Jin, MDSan Francisco, CA 941051083034037
  20. Richard Jin, MDTorrance, CA 905051013611953
  21. Richard Jin, M.D.Temecula, CA 925921053754366
  22. Suchaya Jinamornphongs, M.D.Loma Linda, CA 923541649299876
  23. Rakesh Jindal, M.D.Porterville, CA 932571700893492
  24. Kai Jing, M.D.Fremont, CA 945381508153875
  25. Raymond Jing, MDHawthorne, CA 902501518968536
  26. Teeranun Jirajariyavej, M.D.Nipomo, CA 934441730317751
  27. Aikkachai Jiras, M.D.Travis Afb, CA 945351225198955
  28. Nuntaya Jiras, M.D.Travis Afb, CA 945351629138334
  29. Anisha Jivraj, STUDENTHuntington Beach, CA 926491649732579
  30. Erin JoFountain Valley, CA 927081841870177
  31. Kahee Jo, MDSan Francisco, CA 941091134627375
  32. Linda Jo, DOFresno, CA 937201629574744
  33. Liana Joa, M.D.Mission Hills, CA 913451720347115
  34. Jane Joaquin-Wu, M.D.Irvine, CA 926201174532253
  35. Thaichan Jobalia, MDLos Gatos, CA 950321578526299
  36. Meghan Jobson, MD, PHDSan Francisco, CA 941161699207266
  37. Rajveer Joea, D.O.Long Beach, CA 908131841653672
  38. Nicole Joel, MDSylmar, CA 913421265852636
  39. Eddy Joelson, M.D.Elk Grove, CA 957581043294580
  40. Nitin Joglekar, M.D.Merced, CA 953481710621982
  41. Shruti Joglekar, M.D.Fresno, CA 937031689010969
  42. Dharampal Johal, M.D.Fresno, CA 937201275530529
  43. Jaimal Johal, MDRed Bluff, CA 960801487177796
  44. Karanjodh Johal, D.OColton, CA 923241548687114
  45. Kenneth Johan, MDVictorville, CA 923951124690656
  46. Helge Johannessen, MDWalnut Creek, CA 945961295813392
  47. Nawal Johansen, M.D.Palo Alto, CA 943011700066933
  48. Hershan Johl, MDSacramento, CA 958171255314399
  49. Karnjit Johl, MDSacramento, CA 958171912981770
  50. Daniel John, MDYreka, CA 960971083344584

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 17 of 51 per resident

  1. New Jersey50
  2. New Hampshire48
  3. Minnesota46
  4. California45
  5. Florida45
  6. Ohio45
  7. 50 states and D.C.44

Source: CMS NPPES, primary taxonomy 207R00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

79.5% of these records appear in a Medicare file, against 78.7% 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. California79.5%
  2. United States78.7%

Internal Medicine Physician records in California, measured

  • In a Medicare file14,068 of 17,696 · 79.5% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file11,077 · 62.6% here, 61.4% nationally
  • Not updated in five years or more10,832 · 61.2% here, 55.4% nationally
  • Median graduation year2004 · the 11,065 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207R00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

17,696 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in California: 45 per 100,000 residents against 44 nationally (50 states and D.C.). Los Angeles has 1,423 of them (8%).

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 York12,067
  2. Florida10,151
  3. Texas9,175
  4. Pennsylvania7,300

States with a similar rate per 100,000

  1. Minnesota45.9
  2. Ohio44.8
  3. New Hampshire48.0
  4. Maine42.8

The largest states

  1. New York12,067
  2. Florida10,151
  3. Texas9,175
  4. Pennsylvania7,300
  5. Illinois7,238

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.