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 92 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. Mark Sedrak, M.D.Torrance, CA 905031053545285
  2. Cynthia See, M.D.West Hills, CA 913071912937517
  3. Kayela SeegmillerTorrance, CA 905011134965692
  4. Frances Segal, M.D.Mission Viejo, CA 926911134156904
  5. Harold Segal, M.D.San Luis Obispo, CA 934051336195866
  6. Nathalie Seguin, OTRValencia, CA 913551780853432
  7. Elizabeth Segura, ELECTROLOGISTNovato, CA 949451699668327
  8. Sabitha Sehgal, M.D.West Hollywood, CA 900481699703397
  9. Mina Sehhat, M.D.San Jose, CA 951281558393314
  10. Candia Seibly, OTR/LLos Alamitos, CA 907201932349164
  11. Michael SeiduSacramento, CA 958171689404410
  12. Maryna SeifiSan Ramon, CA 945831770061939
  13. Tamara Seigel, OTNorth Hollywood, CA 916061265763692
  14. John SeilhanPlacerville, CA 956671528319753
  15. Frank SeitzNorwalk, CA 906501588728505
  16. Harjit Sekhon, M.D.San Jose, CA 951281609817006
  17. Navneet Sekhon, M.D.Fair Oaks, CA 956281649597428
  18. Hollie Sellars, PHYSICAL THERAPISTEureka, CA 955011730111592
  19. Matt Sellers, P.T.San Rafael, CA 949031790802221
  20. Stephani SeltserSan Diego, CA 921101568650596
  21. Robert Seltzer, M.D.Pasadena, CA 911061437127099
  22. Lisa SelvaSan Francisco, CA 941031851589840
  23. Suresh Selvaraju, PHDDuarte, CA 917411750764320
  24. Elisa Semel, MPTValley Village, CA 916071063696334
  25. Jane Semel, M.D.El Segundo, CA 902451083608004
  26. Alan Semion, MDRoseville, CA 956611235131301
  27. Leo Semkiw, M.D.San Jose, CA 951241215949110
  28. Hooshang Semnani, M.D.Northridge, CA 913251427007392
  29. Moris Senegor, MDStockton, CA 952041487689030
  30. Mark Senzig, CMTSanta Rosa, CA 954051518245042
  31. Fernando SerafinOrange, CA 928681386422772
  32. Theodor Serban, RPTSan Gabriel, CA 917751386843282
  33. Lidia Seroussi, OTR/LCupertino, CA 950141881901957
  34. Feliciano Serrano, M.D.Huntington Park, CA 902551649225558
  35. Ketrina Serrano, B.A.Modesto, CA 953501558713537
  36. Lisa Serrano, C.M.TCorona, CA 928821235312836
  37. Stephen Severance, M.D.Long Beach, CA 908081619983848
  38. Teri Severson, L.E.Auburn, CA 956031386349546
  39. Tomas Sevilla, M.D.Los Angeles, CA 900311922189125
  40. Sylvia SeybSan Marcos, CA 920791083448278
  41. Irene SeyerSanta Barbara, CA 931011134244221
  42. Peter Sfakianos, M.D.Folsom, CA 956301295791465
  43. Laleh Shaban, M.D.Morro Bay, CA 934421558427831
  44. Zubedah ShabazzSan Francisco, CA 941031912361262
  45. Sophie Shabel, M.D.Oakland, CA 946021174693527
  46. Michael Shabot, M.D.West Hollywood, CA 900481942284724
  47. Lynn Shafer, M.D.Walnut Creek, CA 945981881643286
  48. Erin Shaffer, CMTLa Mesa, CA 919421316383508
  49. Abbass Shafii, M.D.Murrieta, CA 925631548218662
  50. Anil Shah, M.D.Santa Ana, CA 927041619997368

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.