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 93 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. Apurva Shah, M.D.Lancaster, CA 935341467521989
  2. Nimish Shah, M.D,M.S.Hawaiian Gardens, CA 907161184837908
  3. Pravin Shah, MDNewport Beach, CA 926631679613368
  4. Shashi Shah, MDUpland, CA 917861679592463
  5. Shradha ShahSacramento, CA 958171477426468
  6. Michael Shahangian, M.D.Ridgecrest, CA 935551437188604
  7. Rashad ShaheedOakland, CA 946091558483529
  8. Tasneem ShaikhSan Francisco, CA 941031295252765
  9. Karim Shaikley, M.D.Upland, CA 917861548372683
  10. Shawn Shambaugh, M.D.Bakersfield, CA 933091659360253
  11. John Shamoun, M.D.Newport Beach, CA 926601528180544
  12. Shahrad Shamsi, M.D.Santa Monica, CA 904041700944378
  13. David Shapiro, M.D.Ventura, CA 930031023265253
  14. Debra Shapiro, M.D.Burlingame, CA 940101598858177
  15. Desmond Shapiro, M.D.Santa Rosa, CA 954071720043268
  16. Lawrence Shapiro, M.D.Los Alamitos, CA 907201922048917
  17. Michael Shapiro, MDManhattan Beach, CA 902661033200951
  18. Lola SharapovaSan Diego, CA 921131811518921
  19. Heeral SharmaPleasanton, CA 945661992371256
  20. Naveen Sharma, MDVentura, CA 930031649387499
  21. Ripple Sharma, M.D.Greenbrae, CA 949041205003167
  22. Meera Sharnoff, M.D.Mountain View, CA 940401740318195
  23. Janet ShawSan Francisco, CA 941031932626314
  24. Michelle ShawOakley, CA 945611407715881
  25. Rebecca Hope ShawSan Diego, CA 921011083345789
  26. Gerry Shea, L.C.S.W.Roseville, CA 956611376540757
  27. Melissa Shea, MSW, CCLSPacific Grove, CA 939501598064735
  28. Geoffrey SheeanLa Jolla, CA 920371326124736
  29. Paiwen Sheen, M.D.Orange, CA 928681942212139
  30. Michael Sheety, M.D., F.A.C.S.Santa Ana, CA 927051871578120
  31. Robert Sheffield, M.D.Santa Barbara, CA 931051235289604
  32. Razia Sheikh, M.D.Fresno, CA 937261518066083
  33. Fatemeh Sheikhan, MDSanta Ana, CA 927011467593434
  34. Nasser Shekib, M.D.Los Angeles, CA 900251245320795
  35. Aaron Shelub, M.D.Tarzana, CA 913561124103619
  36. Dwight Shen, M.D.Martinez, CA 945531174509772
  37. Jen Yee Shen, M.D.Alhambra, CA 918031710052741
  38. Jen-Kway Shen, M.D.Hacienda Hts, CA 917451740242874
  39. John Shen, M.D.Temecula, CA 925911902812159
  40. Francis Sheng, M.D.Beverly Hills, CA 902101306969373
  41. Ananth Shenoy, M.D.Antioch, CA 945091346283967
  42. Daniel Shepard, M.D.Santa Maria, CA 934541003819863
  43. Gaye Shepard, LCSW, PH.D.Pasadena, CA 911061669501037
  44. Janet Shepherd, OTR/LLos Angeles, CA 900731326134511
  45. Laura ShepherdPlacerville, CA 956671760707517
  46. Joy Sheppard, NPSan Francisco, CA 941081629439328
  47. David Sherman, M.D.Glendale, CA 912041235164294
  48. Dawnel Sherman, LMTSimi Valley, CA 930651538308267
  49. Heather Sherman, LECLa Mesa, CA 919421114686425
  50. Sue Shia, OTRStockton, CA 952061578739173

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.