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 59 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. Jacob Lipovac, MEDICAL STUDENTSacramento, CA 958171093409476
  2. Rhandee LippRohnert Park, CA 949281457849168
  3. Scott Lipson, M.D.Sacramento, CA 958151285676916
  4. Daniel Litten, M.D.Santa Barbara, CA 931051306873070
  5. Edward Littlejohn, M.D.Los Gatos, CA 950321477680643
  6. Donald Litvak, M.D.Tarzana, CA 913561790704344
  7. Cindy LiuSan Francisco, CA 941031255858239
  8. Leewen Liu, M.D.Saratoga, CA 950701114098415
  9. Ning-Ai Liu, M.D.Los Angeles, CA 900481033147160
  10. Victor Liu, MDBurlingame, CA 940101861765901
  11. B. A. Doc LivingstonMarysville, CA 959011649679903
  12. Lori Livingston, M.D.Long Beach, CA 908061356558191
  13. Moises LlamasCamarillo, CA 930101861754541
  14. Rosita LlerenaSan Diego, CA 921101346396157
  15. Abraham John Lo, M.D.Palm Desert, CA 922111790742856
  16. Agnes LoUnion City, CA 945871013139831
  17. David LoSan Francisco, CA 941161164844965
  18. David LoSan Francisco, CA 941211326746041
  19. Ana Lobo-Smithson, MFTDixon, CA 956201346411378
  20. Leslie Lochner, M.D.Laguna Beach, CA 926511710955919
  21. Heidi Lockett, OTR/LFolsom, CA 956301992100671
  22. Tyler LockwoodSacramento, CA 958171326967332
  23. Reynaldo Locquiao, PHYSICAL THERAPISTBakersfield, CA 933011215172531
  24. Tiffany Logan, L.EInglewood, CA 903051780461806
  25. Evelyn Lomarda, M.D.Loma Linda, CA 923571497968325
  26. Justin LoneySan Francisco, CA 941121730525940
  27. Josiah LoomisSan Luis Obispo, CA 934011245984327
  28. Jean Marie Lopategui, MDWest Hollywood, CA 900481396742904
  29. Aisha Lope De Haro-SallehLa Mesa, CA 919421952026932
  30. Andrea LopezOakland, CA 946091134680598
  31. Celeste Lopez, MDSan Francisco, CA 941041831358456
  32. Ernesto LopezSan Diego, CA 921081407191786
  33. Horacio Lopez, M.D.Los Angeles, CA 900571659430460
  34. Ilce LopezPico Rivera, CA 906601538610928
  35. Marlene Lopez, M.DLong Beach, CA 908061184819534
  36. Mary Ann LopezFresno, CA 937011225154214
  37. Maya LopezIndio, CA 922011144976630
  38. Melissa Lopez, MEDICAL MTRipon, CA 953661083943948
  39. Oscar Lopez, CMPLos Banos, CA 936351184807125
  40. Porfiria LopezSan Diego, CA 921081437573854
  41. Sandra LopezModesto, CA 953501235682634
  42. Veronica LopezLos Angeles, CA 900451023524774
  43. Rebecca Lopez-Henry, PTSan Diego, CA 921281003181108
  44. Patrick Losasso, CSCS, CPTLos Angeles, CA 900311841589181
  45. Jeannine LoseeLos Angeles, CA 900361619185089
  46. Robert Losey, M.D.Napa, CA 945581669496543
  47. Michele Lough, P.T.Santa Rosa, CA 954051124208806
  48. Karmen Louie, MPHSan Francisco, CA 941031205659265
  49. Joanna Louis, M.D.Encinitas, CA 920241568491025
  50. Sylvia Love, M.S.Los Angeles, CA 900731427247188

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.