NPPES file of Aug 9, 2026

Internal Medicine Physician in California

17,696 NPPES records list internal medicine physician with a practice address in California, 45 per 100,000 residents, the 17th 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 248 of 354.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · 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, 1,423

  1. Los Angeles1,423
  2. San Francisco1,318
  3. San Diego961
  4. Sacramento601
  5. Oakland432

Internal Medicine Physician records in California

  1. Tieu Phung, M.D.Anaheim, CA 928061316964240
  2. Newton Phuong, M.D.Bakersfield, CA 933091194102137
  3. Alexander Pi, D.O.Monterey Park, CA 917541881993202
  4. Daniela Pi Noa, DOSan Jose, CA 951191992492334
  5. John Pia, MDFresno, CA 937201528146412
  6. Dominic Picetti, MDSanta Rosa, CA 954031013413517
  7. Evelyn Picker, M.D.La Quinta, CA 922531912012972
  8. Janet Pickthorn, MDSanta Barbara, CA 931051336224997
  9. Richard Piel, MDSelma, CA 936621174601066
  10. Cole Pierce, MDSacramento, CA 958251376123026
  11. John Pierce, M.D.San Francisco, CA 941101134232887
  12. Jonathan Pierce, MDGrass Valley, CA 959451578650594
  13. Mark Pierce, M.D.Redding, CA 960031295753564
  14. Rosalind Pierce, M.D.Sacramento, CA 958271184847097
  15. Ryan Pierce, MDRoseville, CA 956611710307640
  16. Samuel Pierce, M.D.Los Angeles, CA 900171699718270
  17. Edgar Pierluissi, MDSan Francisco, CA 941101861599854
  18. Marie Pierre, MDOakland, CA 946111669550364
  19. Christopher Pietras, M.D.Sacramento, CA 958171952578817
  20. Marvin Pietruszka, M.D.Reseda, CA 913351740393446
  21. Eric Pifer, M.D.San Francisco, CA 941151295980878
  22. Raymond Pigeon, M.D.San Diego, CA 921031366404923
  23. Mary Pikus, M.D.San Diego, CA 921211548370596
  24. Orlando Pile, M.D.Inglewood, CA 903011790703403
  25. Dylan Pillai, MDSan Francisco, CA 941431700987252
  26. Priyanka Pillai, M.D.Stanford, CA 943051174186514
  27. Adip Pillai-Kashi, DODowney, CA 902421841685088
  28. Renate Pilz, M.D.La Jolla, CA 920931861425381
  29. Kevin Pimstone, MDLos Angeles, CA 900251205938362
  30. Eric Pinderski, M.D.N Hollywood, CA 916071235131343
  31. Julio Pineda, MDSan Francisco, CA 941161295870053
  32. Reimarie Pineda, M.D.Fresno, CA 937011063672178
  33. Rodolfo Pineda, MDNapa, CA 945581417900192
  34. Andrew Ping, MDSan Diego, CA 921031326190539
  35. Geetha Pingili, MDFolsom, CA 956301861542672
  36. Anusha Bhargavi Pinjala, MBBSSan Jose, CA 951281427543511
  37. Sara Pinkel, MDSan Jose, CA 951111629138474
  38. Daniel Pinney, M.D.La Jolla, CA 920371558683318
  39. David Pino, M.D.Mission Viejo, CA 926911669571410
  40. Rogelio Pinon-Gutierrez, M.D.Sacramento, CA 958171417375395
  41. Mark Pinto, MDFresno, CA 937281801882360
  42. Moneesha Pinto, M.D., M.B.A.San Jose, CA 951261184730780
  43. Alan Pinyavat, MDMenlo Park, CA 940251174749956
  44. Sarah Piper, M.D.Oakland, CA 946111740456441
  45. Maria Elaine Pira, M.D.Los Angeles, CA 900031891834206
  46. Alexandra Pires-Menard, MDTemecula, CA 925921104452226
  47. Zareh Pirjanian, MDGlendale, CA 912041619195427
  48. Ross Pirkle, M.D.Walnut Creek, CA 945981184656688
  49. Aslan Pirouz, MDLos Angeles, CA 900251770994675
  50. Komal Piryani, M.D.Roseville, CA 956611134495542

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 17 of 51 per resident

  1. New Jersey50
  2. New Hampshire48
  3. Minnesota46
  4. California45
  5. Florida45
  6. Ohio45
  7. 50 states and D.C.44

Source: CMS NPPES, primary taxonomy 207R00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

79.5% of these records appear in a Medicare file, against 78.7% 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. California79.5%
  2. United States78.7%

Internal Medicine Physician records in California, measured

  • In a Medicare file14,068 of 17,696 · 79.5% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file11,077 · 62.6% here, 61.4% nationally
  • Not updated in five years or more10,832 · 61.2% here, 55.4% nationally
  • Median graduation year2004 · the 11,065 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207R00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

17,696 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in California: 45 per 100,000 residents against 44 nationally (50 states and D.C.). Los Angeles has 1,423 of them (8%).

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 York12,067
  2. Florida10,151
  3. Texas9,175
  4. Pennsylvania7,300

States with a similar rate per 100,000

  1. Minnesota45.9
  2. Ohio44.8
  3. New Hampshire48.0
  4. Maine42.8

The largest states

  1. New York12,067
  2. Florida10,151
  3. Texas9,175
  4. Pennsylvania7,300
  5. Illinois7,238

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.