NPPES file of Aug 9, 2026

Hematology (Internal Medicine) Physician in California

175 NPPES records list hematology (internal medicine) physician with a practice address in California, 0.4 per 100,000 residents, the 15th highest rate of 48. Duarte and Stanford have the most; each record links to the provider's NPI and the California license search. Page 3 of 4.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RH0000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Duarte has the most, 61

  1. Duarte61
  2. Stanford44
  3. San Francisco15
  4. Los Angeles14
  5. San Diego8

Hematology (Internal Medicine) Physician records in California

  1. Deepu Madduri, MDStanford, CA 943051740418318
  2. Ravindra Majeti, M.D.Stanford, CA 943051326195447
  3. James Malone, MDStanford, CA 943051457343113
  4. Guido Marcucci, M.D.Duarte, CA 910101689689127
  5. Beth Martin, MDStanford, CA 943051134154420
  6. Bruno Medeiros, MDStanford, CA 943051760420657
  7. Matthew Mei, M.D.Duarte, CA 910101104069269
  8. Noah Merin, M.D.West Hollywood, CA 900481659547487
  9. Everett Meyer, MD PHDStanford, CA 943051508013517
  10. David Miklos, M.D., PH. D.Stanford, CA 943051982751053
  11. Beverly Mitchell, MDStanford, CA 943051033169552
  12. Lori Muffly, M.D.Stanford, CA 943051427256254
  13. Zaw Myint, M.D.Los Angeles, CA 900891225243348
  14. Ryotaro Nakamura, MDDuarte, CA 910101629174552
  15. Nitya Nathwani, M.D.Duarte, CA 910101871827345
  16. Robert Negrin, M.D.Stanford, CA 943051285791756
  17. Donald Newman, M.D.San Diego, CA 921231013928803
  18. Liana Nikolaenko, M.D.Duarte, CA 910101700124914
  19. Nneka Nwachukwu, MDLos Angeles, CA 900331821594904
  20. Caitlin O'NeillLos Angeles, CA 900891497174262
  21. Victor Orellana-Noia, MDDuarte, CA 910101700298528
  22. Tamer Othman, M.D.Irvine, CA 926181316471980
  23. Salman OtoukeshDuarte, CA 910101225476484
  24. Zahra Pakbaz, MDOrange, CA 928681942463377
  25. Sunmin Park, M.D.Duarte, CA 910101306371117
  26. Pablo Parker, MDDuarte, CA 910101578632337
  27. Anna ParksSan Francisco, CA 941431164840757
  28. Tycel Phillips, M.D.Duarte, CA 910101568607653
  29. Caroline Piatek, M.D,Los Angeles, CA 900891366746661
  30. Christopher Pleyer, MDStanford, CA 943051750722849
  31. Christina Poh, M.D.Duarte, CA 910101174943518
  32. Leslie Popplewell, M.D.Duarte, CA 910101457310450
  33. James Poth, MDSanta Cruz, CA 950601053328575
  34. Hoda PourhassanDuarte, CA 910101942543319
  35. Vinayak Prasad, M.D.San Francisco, CA 941101467786277
  36. Elizabeth Price, MDStanford, CA 943051336226331
  37. Vinod Pullarkat, M.D.Duarte, CA 910101164433645
  38. Doris Quon, M.D.Los Angeles, CA 900071578589271
  39. Leon Rabinowitz, M.D.San Jose, CA 951241326050758
  40. Giridharan Ramsingh, MDLos Angeles, CA 900891073710083
  41. Steven Rosen, M.D.Duarte, CA 910101811968126
  42. Mohana Roy, M.D.Stanford, CA 943051265812820
  43. Hope Rugo, MDSan Francisco, CA 941151033176581
  44. Mervyn Sahud, M.D.Oakland, CA 946121174806111
  45. Amandeep Salhotra, MDDuarte, CA 910101659539021
  46. Ghazal Salmasi, M.D.Stanford, CA 943051013327493
  47. Yazeed Samara, M.D.Duarte, CA 910101528419355
  48. Karamjeet Sandhu, M.DDuarte, CA 910101144457979
  49. Vivek ShahSanta Monica, CA 904041013570563
  50. Tait Shanafelt, M.D.Stanford, CA 943051295712677

Source: CMS NPPES, primary taxonomy 207RH0000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 15 of 48 per resident

  1. Michigan0.6
  2. Maryland0.5
  3. Pennsylvania0.5
  4. California0.4
  5. Washington0.4
  6. Maine0.4
  7. 50 states and D.C.0.4

Source: CMS NPPES, primary taxonomy 207RH0000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

89.1% of these records appear in a Medicare file, against 80.5% 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. California89.1%
  2. United States80.5%

Hematology (Internal Medicine) Physician records in California, measured

  • In a Medicare file156 of 175 · 89.1% here, 80.5% nationally
  • In the CMS Doctors and Clinicians file136 · 77.7% here, 70.8% nationally
  • Not updated in five years or more59 · 33.7% here, 46.9% nationally
  • Median graduation year2006 · the 135 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RH0000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

175 NPPES records list hematology (internal medicine) physician (207RH0000X) as their primary taxonomy with a practice address in California: 0.4 per 100,000 residents against 0.4 nationally (50 states and D.C.). Duarte has 61 of them (35%).

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 York161
  2. Minnesota128
  3. Massachusetts117
  4. Ohio89

States with a similar rate per 100,000

  1. Washington0.4
  2. New Jersey0.4
  3. Pennsylvania0.5
  4. Illinois0.4

The largest states

  1. New York161
  2. Minnesota128
  3. Massachusetts117
  4. Ohio89
  5. Texas73

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.