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 1 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. Khurram Abbass, MDSan Jose, CA 951161154455178
  2. Mai Abdelnabi, MDSan Francisco, CA 941331013394980
  3. Brian Abe, MD, PHDStanford, CA 943051104262708
  4. Thomas Abel, MDMonte Sereno, CA 950301871679399
  5. Feruza AbraamyanRoseville, CA 956611124769278
  6. Thomas Adamson, M.D.San Diego, CA 921311639187057
  7. Sana Afroz, MDMoreno Valley, CA 925551356724074
  8. Ishita Aggarwal, MDSan Francisco, CA 941151518385699
  9. Atul Agrawal, MDAntioch, CA 945311528146016
  10. Bikramjit Ahluwalia, MDApple Valley, CA 923071669402467
  11. Shirin Ahmad, MDFolsom, CA 956301932182318
  12. Abdalhamid Al Harash, M.D., FACPLoma Linda, CA 923541962790618
  13. Basma Al Nahlawi, M.D.San Marcos, CA 920781144455262
  14. Phillip Aleksiejuk, MDWoodland Hills, CA 913641063844579
  15. Stanley Alexander, MDArcadia, CA 910071497814685
  16. Nida Ali, M.D.Sacramento, CA 958171881075646
  17. Marjan Alidoost, MDSacramento, CA 958171407344948
  18. Edward Amento, M.D.Sunnyvale, CA 940851457896961
  19. Lalitha Ananth, MDHuntington Beach, CA 926471679597033
  20. Christine Anastasiou Perlegos, MDStanford, CA 943051881038818
  21. Bradley Andersen, M.D.Riverside, CA 925071528018470
  22. Brian Anderson, M.D.Chula Vista, CA 919101740298074
  23. Brian S Andrews, MDOrange, CA 928681609970292
  24. Rashad Ansari, MDVista, CA 920831063594372
  25. Jeremy Anuntiyo, MDSan Pedro, CA 907321811183585
  26. Daniel Arkfeld, M.D.Los Angeles, CA 900331780610105
  27. Rosa Artola, D.O.Mission Hills, CA 913451962848978
  28. Rafid Asfar, M.D..Chula Vista, CA 919111639468747
  29. Judith Ashouri-Sinha, M.D.San Francisco, CA 941431841507506
  30. Ali Ashrafzadeh, MDLos Angeles, CA 900451962447060
  31. Mandy Aspel, FNPApple Valley, CA 923071205594678
  32. Muneera AtchaSalinas, CA 939011154611796
  33. Linda Atkinson, MDBaldwin Park, CA 917061811064736
  34. Amin Attia, MDCorona, CA 928821578626909
  35. Karen Au, MDLos Angeles, CA 900241144478306
  36. Thanda Aung, M.D.Los Angeles, CA 900951477974962
  37. Tun Tun Aung, DOOrange, CA 928681922676824
  38. Mitchell Austin, MDNewport Beach, CA 926601669542601
  39. Morteza Azimian, M.D.Torrance, CA 905031295940229
  40. Steve Aziz, M.D.Torrance, CA 905031982966271
  41. Joseph Azzam, MDSan Francisco, CA 941171679078109
  42. Soraya AzzawiLos Angeles, CA 900951255892063
  43. Andre Babajanians, MDRiverside, CA 925061255311676
  44. Hamayon Babary, M.D.Santa Clarita, CA 913871356684385
  45. Jeffrey Bacon, D.O.Bakersfield, CA 933121548485816
  46. Chay Bae, D.O.Laguna Hills, CA 926531861926982
  47. Sangmee Bae, M.D.Los Angeles, CA 900951003172529
  48. Shahin Bagheri, MDBurbank, CA 915051457359978
  49. Shirin Bagheri, M.D.Beverly Hills, CA 902111821341892
  50. Ramandeep Bains, M.D.Valencia, CA 913551215369319

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.