NPPES file of Aug 9, 2026

Hematology & Oncology Physician in California

1,583 NPPES records list hematology & oncology physician with a practice address in California, 4.1 per 100,000 residents, the 19th highest rate of 51. Los Angeles and San Diego have the most; each record links to the provider's NPI and the California license search. Page 7 of 32.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RH0003X · 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, 153

  1. Los Angeles153
  2. San Diego88
  3. Sacramento77
  4. San Francisco64
  5. Orange63

Hematology & Oncology Physician records in California

  1. Rubens Costa Filho, MDChico, CA 959261023342466
  2. Caitlin Costello, M.D.San Diego, CA 921031760649230
  3. Sidney Crain, MDRoseville, CA 956611366520041
  4. Mihaela Cristea, MDOrange, CA 928681417050998
  5. Michael Crucitt, M.D.La Mesa, CA 919421588674741
  6. Amy CummingsTorrance, CA 905051043552243
  7. Heather Cunningham, MDSanta Maria, CA 934541134359581
  8. Mario Curti, M.D.Los Alamitos, CA 907201033287537
  9. Karina D'Souza, MD, MPHOakland, CA 946021427474998
  10. Maher Dakroub, D.O.Burbank, CA 915051427438928
  11. Chirag Dalsania, M.D.Oxnard, CA 930301215026380
  12. Neha Damle, M.D.Oakland, CA 946111124462544
  13. Arun Dang, DOLa Jolla, CA 920371891435848
  14. Gregory Daniels, M.D., PH.D.San Diego, CA 921031164480943
  15. Bao Dao, MDDublin, CA 945681033349485
  16. Vinh Dao, M.D.,PH.D.San Rafael, CA 949031649711912
  17. Justin Darrah, M.D.West Hollywood, CA 900481487947404
  18. Constantin Dasanu, M.D., PH.D.Rancho Mirage, CA 922701922120708
  19. Tatini DattaSacramento, CA 958171134513187
  20. Jerome Davidson, MDNorthridge, CA 913251114926490
  21. Sheldon Davidson, MDNorthridge, CA 913251457350738
  22. Julian Davis, MDSanta Barbara, CA 931051801159967
  23. Tyler Davis, M.D.Rancho Mirage, CA 922701679734891
  24. John Davoren, M.D.San Francisco, CA 941211699725028
  25. Monique De Bruin, M.D.Sunnyvale, CA 940861457532731
  26. Sven De Vos, MDLos Angeles, CA 900951528093713
  27. Erin Dean, M.D.Orange, CA 928681376962449
  28. Peter Deck, MDFremont, CA 945381922183698
  29. Robert Decker, M.D.Beverly Hills, CA 902111023014164
  30. Albert Dekker, MD.Mission Hills, CA 913451578553590
  31. Michael Del Rosario, M.D.Lakewood, CA 908051891164307
  32. Maria Delioukina, MDWest Hollywood, CA 900481023035078
  33. Rahel Demisse, M.D.Los Angeles, CA 900331124462486
  34. Eknath Deo, M.D., F.A.C.P.Long Beach, CA 908061568485415
  35. Arpita Desai, M.D.San Francisco, CA 941431609151125
  36. Neha Desouza, MDHayward, CA 945451598109324
  37. Jenny Devitt, MDSan Diego, CA 921201134296098
  38. Amarjit Dhaliwal, MDModesto, CA 953551922019322
  39. Subhash Dhand, M.D.West Covina, CA 917901497930903
  40. Promila Dhanuka, M.D.Redding, CA 960011225094469
  41. Jankikeerthika Dharmarpandi, MDSan Jose, CA 951191861055782
  42. Mallika DhawanSan Francisco, CA 941431225320310
  43. Jaspreet Dhillon, M.D.Roseville, CA 956611720193006
  44. Brian Dicarlo, MDSan Luis Obispo, CA 934011982728796
  45. Robert Dichmann, MDSanta Maria, CA 934541245232578
  46. Vanessa Dickey, MDTorrance, CA 905051497742472
  47. Robert Dillman, MD FACPNewport Beach, CA 926581538225438
  48. Niharika Dixit, M.DSan Francisco, CA 941101912165440
  49. Kevin DoFountain Valley, CA 927081811384001
  50. Tiffanie Do, M.D.Irvine, CA 926181194251710

Source: CMS NPPES, primary taxonomy 207RH0003X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 19 of 51 per resident

  1. Ohio4.4
  2. New Jersey4.3
  3. Louisiana4.1
  4. California4.1
  5. Nebraska4.0
  6. Virginia4.0
  7. 50 states and D.C.4.2

Source: CMS NPPES, primary taxonomy 207RH0003X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

83.1% of these records appear in a Medicare file, against 82.9% 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. California83.1%
  2. United States82.9%

Hematology & Oncology Physician records in California, measured

  • In a Medicare file1,315 of 1,583 · 83.1% here, 82.9% nationally
  • In the CMS Doctors and Clinicians file1,126 · 71.1% here, 71.3% nationally
  • Not updated in five years or more917 · 57.9% here, 54.3% nationally
  • Median graduation year2003 · the 1,124 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RH0003X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,583 NPPES records list hematology & oncology physician (207RH0003X) as their primary taxonomy with a practice address in California: 4.1 per 100,000 residents against 4.2 nationally (50 states and D.C.). Los Angeles has 153 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 York1,163
  2. Texas922
  3. Florida818
  4. Pennsylvania784

States with a similar rate per 100,000

  1. Nebraska4.0
  2. Louisiana4.1
  3. Virginia4.0
  4. North Carolina4.0

The largest states

  1. New York1,163
  2. Texas922
  3. Florida818
  4. Pennsylvania784
  5. Illinois666

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.