NPPES file of Aug 9, 2026

Physician Assistant in California

14,451 NPPES records list physician assistant with a practice address in California, 37 per 100,000 residents, the 41st 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 137 of 290.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 363A00000X · 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, 935

  1. Los Angeles935
  2. San Diego747
  3. San Francisco488
  4. Stanford480
  5. Sacramento387

Physician Assistant records in California

  1. Julie Lam, PA-CLos Gatos, CA 950321346639671
  2. Katie LamSan Francisco, CA 941111891191151
  3. Lan Lam, PA-COntario, CA 917641023211612
  4. Lawrence Lam, PASan Francisco, CA 941431336782903
  5. Lien Lam, PA-CIrvine, CA 926041538973847
  6. Natalie Lam, PAGlendale, CA 912061417647751
  7. Quan Lam, PANewport Beach, CA 926601174240535
  8. Vincent Lam, PA-CChula Vista, CA 919151053795625
  9. Yvonne Lam, PA-CHuntington Beach, CA 926471386155208
  10. Debie Lam Talovera, PA-CRiverside, CA 925031043853633
  11. Laura Lamas-Guzman, PA-CLos Angeles, CA 900111538890421
  12. Jordan LamastersSaint Helena, CA 945741528681202
  13. Esther Lamb, PACosta Mesa, CA 926271700917770
  14. Kerry Lamb, PA-CSanta Monica, CA 904031275189813
  15. Colleen Lamberson, PA-CStanford, CA 943051457907982
  16. Emily Lambert, PA-CLong Beach, CA 908061326902636
  17. Gage Lambert, PASan Diego, CA 921031144672494
  18. Sabrina Lambert, PA-CMonterey, CA 939401518265677
  19. Shannon Lambert, MPAS, PA-CUpland, CA 917861548406952
  20. Zachary Lamm, PA-CSanta Cruz, CA 950651619639093
  21. Brianna Lampson, PA-CSan Diego, CA 921081083453484
  22. Beth Landa, PACDuarte, CA 910101356458137
  23. Eve LandaCommerce, CA 900401962025346
  24. Yesenia Landaverde-GonzalezSan Juan Capistrano, CA 926751801517040
  25. Cecilia Lande, PA-CPomona, CA 917671619836368
  26. Ivonne Landeros, P.A.-CSanta Ana, CA 927051023467370
  27. Yadira Landeros De SantiagoSanta Ana, CA 927051114532272
  28. Jordan Landes, PA-CSan Francisco, CA 941431558290288
  29. Sarah Landis, PA-CEncinitas, CA 920241144733676
  30. Jeffrey Landon, PA-CNational City, CA 919501043641236
  31. Curtis Landreth, P.A.Redlands, CA 923731700832128
  32. Brooke Landry, PA-COceanside, CA 920561841077542
  33. Lisa Landry-Taylor, PALos Angeles, CA 900591578602298
  34. Andrea Lane, PA-CSan Diego, CA 921081790902997
  35. Rachel Lane, PAMountain View, CA 940401275302002
  36. Aaron Lanes, PA-C, MPH, MSPASMill Valley, CA 949411831406776
  37. Chloe Zuri Lang, PA-CHanford, CA 932301396514097
  38. David Lang, PA-CSacramento, CA 958191841388766
  39. Kelley Lang, PAWalnut Creek, CA 945981295218097
  40. Tina Langaee, PALaguna Hills, CA 926531831744382
  41. Sarah Langbein, PAOakland, CA 946121275747677
  42. Mitchell LangeVista, CA 920841992432249
  43. Roger Langford, PA-CHollister, CA 950231821211749
  44. Dennis Langone, P.A.French Camp, CA 952311124048640
  45. Jessica Lanman, PAStanford, CA 943051598382806
  46. Tabitha Lanning, PA-CTemecula, CA 925901750785838
  47. Destinee Lanns, PA-CWestlake Village, CA 913611578483111
  48. Amber Lantz, P.A.Simi Valley, CA 930651720356447
  49. Meagan Lantz, PA-CPalo Alto, CA 943051760187538
  50. Melina LanzarModesto, CA 953501023883642

Source: CMS NPPES, primary taxonomy 363A00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 41 of 51 per resident

  1. Georgia42
  2. New Mexico40
  3. Illinois39
  4. California37
  5. New Jersey37
  6. Texas36
  7. 50 states and D.C.49

Source: CMS NPPES, primary taxonomy 363A00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

75.2% of these records appear in a Medicare file, against 77.9% 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. California75.2%
  2. United States77.9%

Physician Assistant records in California, measured

  • In a Medicare file10,860 of 14,451 · 75.2% here, 77.9% nationally
  • In the CMS Doctors and Clinicians file7,218 · 49.9% here, 62.6% nationally
  • Not updated in five years or more5,775 · 40.0% here, 39.3% nationally
  • Median graduation year2018 · the 7,214 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 363A00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

14,451 NPPES records list physician assistant (363A00000X) as their primary taxonomy with a practice address in California: 37 per 100,000 residents against 49 nationally (50 states and D.C.). Los Angeles has 935 of them (6%).

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 York15,555
  2. Texas10,999
  3. Florida10,257
  4. North Carolina9,279

States with a similar rate per 100,000

  1. New Jersey36.5
  2. Indiana35.3
  3. Illinois39.3
  4. New Mexico40.1

The largest states

  1. New York15,555
  2. Texas10,999
  3. Florida10,257
  4. North Carolina9,279
  5. Pennsylvania8,020

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.