NPPES file of Aug 9, 2026

Specialist in California

5,749 NPPES records list specialist with a practice address in California, 15 per 100,000 residents, the 19th highest rate of 51. San Francisco and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 46 of 115.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 174400000X · method

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

San Francisco has the most, 666

  1. San Francisco666
  2. Los Angeles301
  3. Sacramento241
  4. San Diego207
  5. Oakland198

Specialist records in California

  1. James JacksonTorrance, CA 905021972791663
  2. Jenifer JacksonAlta, CA 957011629194972
  3. Jill JacksonLos Angeles, CA 900171235265513
  4. Shronda JacksonSan Francisco, CA 941031700639705
  5. Lucy Jacob, OTR/L, CHT, HTCGrover Beach, CA 934331801874508
  6. Gary Jacobs, MDWestminster, CA 926831073681623
  7. Joyce JacobsSan Francisco, CA 941071689183725
  8. Stanley Jacobs, M.D.,F.R.C.SHealdsburg, CA 954481932224490
  9. Steven Jacobs, M.D.Bakersfield, CA 933011811956758
  10. Arthur Jacobson, M.D.Hemet, CA 925441255381125
  11. Neil Jacobson, PTVentura, CA 930031972509917
  12. Line Jacques, MDSan Francisco, CA 941431083016091
  13. Adrian Jaffer, M.DLa Jolla, CA 920371366476152
  14. Nooshin JahangiriWoodland Hills, CA 913671679704340
  15. Lynne Jahnke, MDSanta Barbara, CA 931051447276530
  16. Surendra Jain, MDBuena Park, CA 906201598725301
  17. Michael Jakobsen, MDMission Viejo, CA 926911730118118
  18. Tamara James, RN CDESacramento, CA 958171700031903
  19. Tiffany James, M.B.A.San Bernardino, CA 924011740578574
  20. Keith Jamieson, MDLa Mirada, CA 906381003029422
  21. Peter Jamieson, M.D.Palm Springs, CA 922621386647295
  22. Tariq JamilSan Bernardino, CA 924041629159876
  23. Joseph Jammal, M.D.Roseville, CA 956611225053325
  24. Hong-An Jan, M.D.Garden Grove, CA 928431255332979
  25. Kim Janatpour, M.D.Carlsbad, CA 920081962484691
  26. Amer Jandali, M.D.Moreno Valley, CA 925531023171501
  27. Charles Janes, MDLos Angeles, CA 900131295883635
  28. Heather Jantz Garcia, M.S., OTR/LCovina, CA 917231205204765
  29. Frances Janzen, PTBeaumont, CA 922231043623952
  30. Jeffrey Jaramillo, MSPTPalo Alto, CA 943041568593291
  31. Jessica Jardine Rowley, C.HT.Oxnard, CA 930361770287377
  32. Regina JarinLarkspur, CA 949391740414077
  33. Lamya Jarjour, M.D.Northridge, CA 913251649316035
  34. Binui JarvioSacramento, CA 958171033611645
  35. Kristin JarvisYuba City, CA 959931912593013
  36. Mark Jason, M.DLaguna Hills, CA 926531629179536
  37. John Jaureguito, MDFremont, CA 945381013044601
  38. Nader Javadi, M.D.Calabasas, CA 913021962405266
  39. Manijeh Javaheri, M.D.Laguna Hills, CA 926531639102387
  40. Jill Javahery, M.D.Long Beach, CA 908071568647022
  41. Athiya Javid, MDSan Jose, CA 951161932183159
  42. Maria-Victoria JavierSan Francisco, CA 941031588031041
  43. Angelina Jedlicka, PTLos Angeles, CA 900271730386129
  44. Michael Jedrzynski, MDCarmichael, CA 956081962572115
  45. Walter Jekot, M.D.Los Angeles, CA 900261093752941
  46. Courtney Jenkins, M.TSan Diego, CA 921081386975241
  47. Erin Jenkins, DPT, ATC/LMonarch Beach, CA 926291346488913
  48. Gina Jenkins, OTR/LSacramento, CA 958311265698468
  49. Gwynderlyn JenkinsPatterson, CA 953631255988176
  50. Hanne Jensen, M.D.Sacramento, CA 958171598747222

Source: CMS NPPES, primary taxonomy 174400000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 19 of 51 per resident

  1. Massachusetts16
  2. West Virginia15
  3. Maryland15
  4. California15
  5. Minnesota15
  6. Delaware13
  7. 50 states and D.C.18

Source: CMS NPPES, primary taxonomy 174400000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

29.6% of these records appear in a Medicare file, against 17.0% 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. California29.6%
  2. United States17.0%

Specialist records in California, measured

  • In a Medicare file1,704 of 5,749 · 29.6% here, 17.0% nationally
  • In the CMS Doctors and Clinicians file1,076 · 18.7% here, 11.1% nationally
  • Not updated in five years or more4,403 · 76.6% here, 77.3% nationally
  • Median graduation year1989 · the 1,075 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 174400000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

5,749 NPPES records list specialist (174400000X) as their primary taxonomy with a practice address in California: 15 per 100,000 residents against 18 nationally (50 states and D.C.). San Francisco has 666 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. Florida2,685
  2. Washington2,609
  3. Pennsylvania2,031
  4. Texas1,716

States with a similar rate per 100,000

  1. Minnesota14.6
  2. Maryland15.2
  3. West Virginia15.4
  4. Massachusetts15.7

The largest states

  1. New York22,636
  2. Florida2,685
  3. Washington2,609
  4. Pennsylvania2,031
  5. Texas1,716

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.