NPPES file of Aug 9, 2026

Rheumatology Physician in California

926 NPPES records list rheumatology physician with a practice address in California, 2.4 per 100,000 residents, the 20th highest rate of 51. Los Angeles and San Francisco have the most; each record links to the provider's NPI and the California license search. Page 2 of 19.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RR0500X · 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, 93

  1. Los Angeles93
  2. San Francisco64
  3. San Diego42
  4. Sacramento27
  5. Stanford25

Rheumatology Physician records in California

  1. Urmila Bajpai, M.D.San Francisco, CA 941431790932457
  2. Hailey Baker, MDEscondido, CA 920291558927947
  3. Matthew Baker, MDStanford, CA 943051518252204
  4. Sangeetha Balasubramanian, MDCampbell, CA 950081265640874
  5. Crisostomo Baliog, MDModesto, CA 953551932340445
  6. Amro Balki, M.D.Santa Monica, CA 904041922237593
  7. Byung Ban, D.O.Woodland Hills, CA 913671437512134
  8. Emilia Banisad, MDRoseville, CA 956611598293276
  9. Peter Bardwick, MDSanta Monica, CA 904031184799108
  10. Michael Barger, M.D.Sacramento, CA 958161124125208
  11. Chesca Czarina Barrios, MDBurbank, CA 915051821595307
  12. Hans Richard Barthel, M.D.Santa Barbara, CA 931081003827999
  13. Elaine Batchlor, MDCompton, CA 902221992214837
  14. Izza Bazigh, M.DSan Rafael, CA 949031679196836
  15. Brian Behnke, DORancho Mirage, CA 922701033679600
  16. Etleva Bejko, M.D.Vista, CA 920831164804431
  17. Ann Mary Belek, MDSan Francisco, CA 941431780841197
  18. Gregory Bell, MDTiburon, CA 949201053425116
  19. Karen Beltran, MDSan Francisco, CA 941431447832696
  20. Ami Ben-Artzi, M.D.Del Mar, CA 920141568505170
  21. Gerson Bernhard, MDSan Francisco, CA 941091710930052
  22. Lauren Berry, MDSalinas, CA 939011932660404
  23. Richard Bertken, MDFresno, CA 937011609895150
  24. Neharika Bhardwaj, MDSanta Cruz, CA 950651336609494
  25. Anupama Bhat, MDRoseville, CA 956611679690200
  26. Anoop Bhatt, M.D.Loma Linda, CA 923541255714929
  27. Sumeet Bhinder, M.D.Bakersfield, CA 933011881776094
  28. Tissa Bijoy George, M.D.Elk Grove, CA 957581821610130
  29. Neal Birnbaum, M.D.San Rafael, CA 949031437142882
  30. Nicole Bitencourt, MDLoma Linda, CA 923541386878700
  31. Stephen Bland, MDLos Angeles, CA 900171821002627
  32. Arthur Bobrove, M.D.Palo Alto, CA 943011356453500
  33. Francesco Boin, M.D.West Hollywood, CA 900481417908229
  34. Charles Boniske, MDVisalia, CA 932911598759615
  35. Mark Borigini, M.D.Downey, CA 902421043257082
  36. Nunzio Bottini, M.D., PH.D.Los Angeles, CA 900481124303011
  37. Rae Bourne, M.D.Orinda, CA 945631356569628
  38. Farshid Bozorgnia, MDColton, CA 923241922493220
  39. Kara Bradford, M.D.Anaheim, CA 928071457582488
  40. Ernest Brahn, MDLos Angeles, CA 900951528092079
  41. Eileen Breyde, M.D.Burbank, CA 915051770585887
  42. Albert Briccetti, M.D.San Bernardino, CA 924081821018029
  43. Paul Brion, M.D.Vista, CA 920831295724326
  44. Melvin BrittonPalo Alto, CA 943011215017488
  45. Corrie Broudy, MDSan Diego, CA 921011558467514
  46. David Brown, MDPasadena, CA 911051689710055
  47. Jeffrey Brown, MDMountain View, CA 940401750477758
  48. Ariel Bryant, PACovina, CA 917221578106597
  49. Julia Buchfuhrer, D.O.Downey, CA 902411093179319
  50. Monica Budianu, M.D.San Diego, CA 921081699967083

Source: CMS NPPES, primary taxonomy 207RR0500X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 20 of 51 per resident

  1. Missouri2.4
  2. Oregon2.4
  3. South Carolina2.4
  4. California2.4
  5. Nebraska2.3
  6. New Mexico2.3
  7. 50 states and D.C.2.4

Source: CMS NPPES, primary taxonomy 207RR0500X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

81.3% of these records appear in a Medicare file, against 81.6% 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. California81.3%
  2. United States81.6%

Rheumatology Physician records in California, measured

  • In a Medicare file753 of 926 · 81.3% here, 81.6% nationally
  • In the CMS Doctors and Clinicians file643 · 69.4% here, 69.5% nationally
  • Not updated in five years or more571 · 61.7% here, 56.6% nationally
  • Median graduation year2003 · the 641 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RR0500X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

926 NPPES records list rheumatology physician (207RR0500X) as their primary taxonomy with a practice address in California: 2.4 per 100,000 residents against 2.4 nationally (50 states and D.C.). Los Angeles has 93 of them (10%).

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 York599
  2. Texas545
  3. Florida494
  4. Pennsylvania413

States with a similar rate per 100,000

  1. South Carolina2.4
  2. Oregon2.4
  3. Nebraska2.3
  4. New Mexico2.3

The largest states

  1. New York599
  2. Texas545
  3. Florida494
  4. Pennsylvania413
  5. Massachusetts343

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.