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 83 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. Bijan Razi, M.D.San Diego, CA 921201255365813
  2. Brian Reagan, M.D.Carlsbad, CA 920091639162332
  3. Harold Reaves, M.D.Los Angeles, CA 900131962408427
  4. Armando RebollarNewport Beach, CA 926631689487027
  5. Francisco Recalde, MDDowney, CA 902411538309067
  6. Nancy Redden, O.T.R.Oakland, CA 946071649244708
  7. Anthony Reddy, M.D.Anaheim, CA 928011548358062
  8. Arani Reddy, M.D.Merced, CA 953481205855855
  9. Hanumandla Reddy, M.DHanford, CA 932301164490967
  10. Jyotsna Reddy, MDSacramento, CA 958231407871841
  11. Makala Reddy, M.D.Apple Valley, CA 923071407906902
  12. Muni Reddy, MDSimi Valley, CA 930651295705606
  13. Prashanti Reddy, M.D.Sacramento, CA 958171285759738
  14. Ranga Reddy, M.DCovina, CA 917231114987500
  15. Sandeep Reddy, M.D.El Segundo, CA 902451275601775
  16. Shashi Reddy, MDSimi Valley, CA 930651588632335
  17. Mark Redor, M.D.Placerville, CA 956671013963594
  18. James Reed, M.D.San Francisco, CA 941171851451934
  19. Kathleen ReedDana Point, CA 926291962196733
  20. Shannon Reed, PEDORTHISTSacramento, CA 958191962724575
  21. Tamia ReedOakland, CA 946051497477699
  22. Faith ReesSan Francisco, CA 941101134617152
  23. Bennelle ReeseLemon Grove, CA 919451487739363
  24. Stephanie Reese, PHDSan Clemente, CA 926731730453002
  25. Katheryn Reeves, DPTNorth Hollywood, CA 916061689013492
  26. Parisa Refaat, D.P.TLong Beach, CA 908031356538722
  27. Albert Reff, M.D.Redondo Beach, CA 902771871615823
  28. Agnes Refy, RPTSan Jose, CA 951241093975872
  29. Anna RegaladoOakland, CA 946031174824650
  30. Gregory Reiber, M.D.Sacramento, CA 958171417939158
  31. Pascale ReichSan Francisco, CA 941031366811408
  32. Terry Reichelderfer, M.D.Santa Monica, CA 904041992818736
  33. Bonnie Reichers, OTRValencia, CA 913551740577758
  34. Susan Reichert WongSan Francisco, CA 941031639372436
  35. Daniel Reichner, M.D.Orange, CA 928681396746707
  36. Michael Reid, M. D.San Francisco, CA 941041265464150
  37. Sierra ReidModesto, CA 953501427400548
  38. Anna ReinhartSan Francisco, CA 941031548034572
  39. Brian Reinker, A.T.C.Rancho Cucamonga, CA 917301093821084
  40. Robyn RelifordSan Francisco, CA 941091265162077
  41. Kyle RemySan Francisco, CA 941101427837988
  42. Valarie Renaux, RN, MSN, FNPNewbury Park, CA 913201477110864
  43. Joel Renbaum, M.D.San Francisco, CA 941091295843092
  44. Nathan Rendler, M.D.Poway, CA 920641275531337
  45. John Rennick, M.D.San Jose, CA 951281699717298
  46. Philip RenoNorwalk, CA 906501053453753
  47. Cathy ReslerSan Jose, CA 951161124489653
  48. William ReustPlacerville, CA 956671467862847
  49. Evangeline Reyes, M.D.Corona, CA 928791144224908
  50. Imelda ReyesSan Francisco, CA 941021033531025

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.