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 20 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. Daniel Mirda, M.D.Napa, CA 945581811963317
  2. Jasmine Mitchell, MDSanta Monica, CA 904041225535495
  3. Ronald Mitsuyasu, MDLos Angeles, CA 900951376562215
  4. Hirotaka Miyashita, MDLa Jolla, CA 920931356993414
  5. Houshang Moayeri, MDHuntington Beach, CA 926471508814716
  6. Mehrdad Mobasher, MD MPHStanford, CA 943051922281328
  7. Ann Moeller, M.D.San Diego, CA 921231679935639
  8. Michael Moffett, M.D.Clovis, CA 936111407803083
  9. Roozbeh Mohajer, MDPalo Alto, CA 943011457538449
  10. Ann Mohrbacher, M.D.Los Angeles, CA 900891275578957
  11. Alfonso Molina, MDSan Francisco, CA 941431265061345
  12. Arturo Molina, M.D.South San Francisco, CA 940801225498835
  13. Seyed Mohammad Reza Monemian, M.DLancaster, CA 935341295953685
  14. Wilbur Montana, DOCerritos, CA 907031457793051
  15. Ramesh Moolani, M.D.Chula Vista, CA 919111437272010
  16. Helen Moon, M.D.Pasadena, CA 911881255480075
  17. Patrick Moore, M.D.Stanford, CA 943051639525371
  18. Glen Morehead, M.D.Palm Springs, CA 922621720169386
  19. Frank Mori, M.D.La, CA 900451396760328
  20. Fariborz Mortazavi, M.D.Oxnard, CA 930301689782708
  21. Mahshid Mosallaei-Benjamin, M.D.Los Angeles, CA 900951568515138
  22. Robert Moss, M.D.Fountain Valley, CA 927081861503609
  23. Carole Most, MDBellflower, CA 907061306985007
  24. Reza Mostofi, M.D.Torrance, CA 905031972786895
  25. Justin Moyers, M.D.San Diego, CA 921031073925343
  26. Elaine Muchmore, MDSan Diego, CA 921611992754162
  27. Krista Muirhead, MDSan Rafael, CA 949031528142692
  28. Ann Mullally, MDStanford, CA 943051679563910
  29. Angelica Multani, RN, NPSanta Monica, CA 904041194059493
  30. Gurpreet Multani, MDFountain Valley, CA 927081417117979
  31. Claire Mulvey, M.D.San Francisco, CA 941431962845198
  32. Madhavi Mummaneni, MDOrange, CA 928681316999550
  33. Nishant Munugala, MD, MPHOrange, CA 928681558850859
  34. Waheed Murad, M.D, MRCPTemecula, CA 925911205098498
  35. Sujatha Murali, MDSan Marcos, CA 920781366478661
  36. Swaminathan MurugappanSan Ramon, CA 945821336301852
  37. Muhammad Muslim, MDRiverside, CA 925061861571218
  38. Ram Muthialu, MDDowney, CA 902411427116532
  39. Charisma Mylavarapu, D.O.Irvine, CA 926181477117653
  40. Auayporn Nademanee, MDEncino, CA 914361437160819
  41. Kamyar Nader, M.D.Orange, CA 928681528304524
  42. Arash Naeim, MDLos Angeles, CA 900951821017658
  43. Nellie Nafissi, M.D.Orange, CA 928681821523937
  44. Misako Nagasaka, MDOrange, CA 928681063707958
  45. Lloyd Nagasawa, M.D.Mission Viejo, CA 926911487647335
  46. Jasdeepa Nagi, M.D.Sacramento, CA 958161407094188
  47. Emily Nagler, MDLa Jolla, CA 920371760825418
  48. Rahul Naik, M.D.Los Angeles, CA 900331992999031
  49. Bijay Nair, MDSacramento, CA 958161356560684
  50. Fadi Nakhl, M.D.Lynwood, CA 902621720242704

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.