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 71 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. Neha NarlaSan Francisco, CA 941031699597575
  2. Zahi Nassoura, MDTarzana, CA 913561417995622
  3. Myron Nathan, M.D.Beverly Hills, CA 902101407096225
  4. Raynaldo NatividadLemon Grove, CA 919451013092972
  5. Anne Naudin, P.T.Fremont, CA 945381306969407
  6. Andrea NaugleSan Jose, CA 951221174765671
  7. Anthony NavarroLemon Grove, CA 919451578648440
  8. Ricardo Navas, M.D.Los Angeles, CA 900481063561967
  9. Kristen Navia, CLCFresno, CA 937271073254157
  10. Atta Nawabi, M.D.Los Angeles, CA 900481821025388
  11. Sudhaker Nayak, M.D.Whittier, CA 906061063501021
  12. Sadhana Nayak-Young, MDTorrance, CA 905021205246659
  13. Hooshmand Nayersina, M.D.Livermore, CA 945501447293626
  14. Mahmood NazariSan Diego, CA 921191790150555
  15. David Nazarian, MDTarzana, CA 913561740461466
  16. Joann NeberbaStockton, CA 952071508714023
  17. Regina Negrini, M.S., OTR/LLos Gatos, CA 950321326342577
  18. Nancy Neibarger, OTRoseville, CA 956781386957892
  19. Ashley Nelson, DPT, PTAngels Camp, CA 952221699048744
  20. David Nelson, M.D.Hanford, CA 932301013923952
  21. Greg Nelson, M.D.Van Nuys, CA 914051558496950
  22. H. Nelson, MDOakland, CA 946111629175534
  23. Janice Nelson, M.D.Los Angeles, CA 900891942428800
  24. Michelle Nelson, C.O.T.AVisalia, CA 932771174839344
  25. Mithzy NelsonLos Angeles, CA 900251780534479
  26. Scott Nelson, M.D.Arcadia, CA 910071982687042
  27. Moufid Nemeh, M.D.Northridge, CA 913251508923160
  28. Barbara Neter, PTSan Mateo, CA 944031245475623
  29. Lori Netzen, CMFHollywood, CA 900281245277342
  30. Lynn Nevatt, ESTHETICIANRiverside, CA 925061245778331
  31. Ginger NevenSan Jose, CA 951481750605366
  32. Scott Neven, OTR/LSan Jose, CA 951481609190214
  33. Armand Newman, M.D.Beverly Hills, CA 902121972662716
  34. Holly Newman, BSN, RN, IBCLCWoodbridge, CA 952581740467828
  35. Mark Newman, M.D.La Palma, CA 906231013926492
  36. Michael Newman, BC-HIS, ACALong Beach, CA 908151962622605
  37. Scott Newman, M.D.Huntington Beach, CA 926461073636536
  38. Sidney Newman, M.D.Los Alamitos, CA 907201235222860
  39. Harris Newmark, M.D.Pacific Palisades, CA 902721730139148
  40. Mohammad Nezami, M.D.Fresno, CA 937011043342660
  41. Christopher Ng, M.D.Los Angeles, CA 900481124002845
  42. Lorraine NgSan Francisco, CA 941081588006696
  43. Veronica Ng, M.D.Santa Rosa, CA 954051871532655
  44. Janice NgaiSan Francisco, CA 941101154763696
  45. Siew Mei NgeowSan Francisco, CA 941031255189882
  46. Jean Paul NgiruweraOakland, CA 946031962196147
  47. James Ngo, MDLancaster, CA 935341790892354
  48. Tuan Ngo, M.D.Los Angeles, CA 900171134110208
  49. Tuyen Ngo, MDSan Jose, CA 951161023113123
  50. Angel NguyenOakland, CA 946051447971445

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.