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 13 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. Padmini Iyer, M.DLong Beach, CA 908221891803458
  2. Edwin Jacobs, M.D.Burbank, CA 915051366462939
  3. Jack Jacoub, M.D.Fountain Valley, CA 927081528016318
  4. Julie Jaffe, M.D.Santa Cruz, CA 950651801942008
  5. Catriona Jamieson, M.D./PH.DSan Diego, CA 921031841223617
  6. Navid Jamshidi, M.D.Anaheim, CA 928061053578526
  7. Erik Jancis, MDWoodland Hills, CA 913671932268687
  8. Andy Jang, MDRiverside, CA 925051386703031
  9. Mauro Janoski, MDDowney, CA 902411154386290
  10. Mansoor Javeed, M.D.Folsom, CA 956301205802907
  11. William Jawien, MDFresno, CA 937201417904020
  12. Tennyson Jellins, MD, MSSacramento, CA 958171144923236
  13. Barbara Jensen, M.D.San Francisco, CA 941211457457061
  14. Michael Jensen-Akula, MDHayward, CA 945451871671636
  15. Ah-Reum Jeong, MDSan Diego, CA 921031093169963
  16. Stephanie Jeske, MD, MSCSan Francisco, CA 941151194942813
  17. Deepa Jeyakumar, M.D.Orange, CA 928681356541502
  18. Nikeshan Jeyakumar, MDSanta Monica, CA 904041184129363
  19. Hanlee Ji, M.D.Stanford, CA 943051639371719
  20. Jingran JiSanta Monica, CA 904041114319423
  21. Baijia Jiang, M.D.Anaheim, CA 928011922495514
  22. Syed Jilani, MDTorrance, CA 905051629067442
  23. Grant Jirka, MDLos Angeles, CA 900891326667346
  24. Mazen Jizzini, MDTarzana, CA 913561346702032
  25. Solomon Jo, M.D.Panorama City, CA 914021649476433
  26. Madhu Jodhani, M.D.Yuba City, CA 959911568419588
  27. Jewel Johl, M.D.Walnut Creek, CA 945981407852858
  28. Kenneth Johnson, MDChula Vista, CA 919111063527711
  29. Robert Johnson, MDMartinez, CA 945531083792659
  30. Suresh Joishy, MDFresno, CA 937201164500070
  31. Brian Jonas, M.D., PHDSacramento, CA 958171558542209
  32. Matthew Jones, MDSan Francisco, CA 941431912467960
  33. Thomas Joseph, MDSanta Clarita, CA 913551861430092
  34. Andre Jung, M.D.San Diego, CA 921611750407318
  35. Fairooz Kabbinavar, M.D.Los Angeles, CA 900951801871819
  36. Paul Kaesberg, M.D.Sacramento, CA 958171023084035
  37. Amanda Kagan, M.D.San Diego, CA 921031972998789
  38. Kanwarpal Kahlon, M.D.Burbank, CA 915051275793846
  39. Pushpinderdeep Kahlon, MDMerced, CA 953401710229380
  40. John Kailath, M.D.Carmichael, CA 956081619943313
  41. Elaine Kaime, M.D.Truckee, CA 961611396716114
  42. Christine Kaiser, M.D.Santa Rosa, CA 954031023192267
  43. Sheila Kalathil, M.D.Chula Vista, CA 919101700273323
  44. Arun Kalra, MDFolsom, CA 956301356489181
  45. Zeyad Kanaan, M.D.Santa Rosa, CA 954031144412560
  46. Adrese Kandahari, M.D.Los Angeles, CA 900251134573629
  47. Helen Kang, MDPanorama City, CA 914021851475131
  48. Tyler Kang, M.D.Vacaville, CA 956871164691820
  49. Shoba Kankipati, M.D.Pleasant Hill, CA 945231356392781
  50. Jelena Kao, MDSan Mateo, CA 944021932242062

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.