NPPES file of Aug 9, 2026

Gastroenterology Physician in California

2,140 NPPES records list gastroenterology physician with a practice address in California, 5.5 per 100,000 residents, the 25th 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 18 of 43.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RG0100X · 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, 195

  1. Los Angeles195
  2. San Diego125
  3. San Francisco103
  4. Sacramento90
  5. Stanford70

Gastroenterology Physician records in California

  1. Toby Katz, M.D.Monterey, CA 939401336159052
  2. David Kaufman, D.O.Irvine, CA 926181508893363
  3. Aung Kaung, M.DDuarte, CA 910101285992644
  4. Jonathan Kaunitz, M.D.Los Angeles, CA 900731396841953
  5. Rajinder Kaushal, M.D.Newhall, CA 913211285706259
  6. Anas Kawayeh, M.D.Rialto, CA 923771821296591
  7. Paul Kefalides, M.D.Santa Rosa, CA 954041790883080
  8. Varujan Keledjian, M.D.Walnut Creek, CA 945981508831678
  9. Darren Keller, M.D.San Diego, CA 921231013988922
  10. Kenneth Kelln, M.D.Loma Linda, CA 923541487767398
  11. Kenneth Kelsen, MDFremont, CA 945361538292321
  12. Thomas Kemmerly, M.D.Murrieta, CA 925621033476262
  13. Erik Kerekes, M.D.Long Beach, CA 908081871679340
  14. David Kestenbaum, MDFontana, CA 923351285705236
  15. Paul Key, MDCulver City, CA 902321013945328
  16. Kian Keyashian, M.D.Stanford, CA 943051215055140
  17. Kevork Khadarian, MDPorter Ranch, CA 913261245734789
  18. Ali Khademi, DOCapitola, CA 950101427121037
  19. Nazir Khaja, M.D.Torrance, CA 905031962428102
  20. Abdul Khaleq, MDSacramento, CA 958161558457960
  21. Mandana Khalili, MDSan Francisco, CA 941101184727687
  22. Mohammad Khan, M.D.Oxnard, CA 930301295778215
  23. Rana Khan, M.D.Sacramento, CA 958161346464765
  24. Puja Khanna, M.D.West Hollywood, CA 900481750533261
  25. Rohit Khanna, DOSan Francisco, CA 941151104386770
  26. Afshin Khatibi, MDWoodland Hills, CA 913671053470641
  27. Raman Khehra, MDModesto, CA 953551548425382
  28. Ernest Khine, MDBaldwin Park, CA 917061750452645
  29. Payman Khorrami, MDLos Angeles, CA 900671275563207
  30. Mehdi Khorsandi, M.D.Glendale, CA 912041588607691
  31. Ambreen Khurshid, M.D.Madera, CA 936371265490551
  32. Camron Kiafar, D.O.Upland, CA 917861831299254
  33. Trilokesh Kidambi, MDDuarte, CA 910101679849574
  34. Jayashri Kidao, MDLong Beach, CA 908221942305644
  35. Alexander Kim, D.O.Los Angeles, CA 900171609190354
  36. Alexander Kim, DOYuba City, CA 959911265504583
  37. Daniel Kim, MDMission Viejo, CA 926911548648868
  38. David Kim, MDLos Angeles, CA 900341104966654
  39. Gordon Kim, M.D.Encinitas, CA 920241013012046
  40. Hyun Kim, MDSan Diego, CA 921231013023365
  41. Hyunseok Kim, M.D, M.P.HWest Hollywood, CA 900481558758524
  42. Jaehyun Kim, MDOrange, CA 928681508397563
  43. John Kim, M.D.Los Angeles, CA 900331467676460
  44. John Kim, M.D.Upland, CA 917861548218274
  45. Karen Kim, MDStanford, CA 943051639385479
  46. Katherine Kim, MDWhittier, CA 906021184087736
  47. Ki-Yoon Kim, M.D.San Diego, CA 921031558715110
  48. Mark Kim, MDBaldwin Park, CA 917061679645154
  49. Michael Kim, M.D.Anaheim, CA 928041821229972
  50. Sharon KimLos Angeles, CA 900331376936062

Source: CMS NPPES, primary taxonomy 207RG0100X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 25 of 51 per resident

  1. Colorado5.7
  2. Hawaii5.6
  3. South Carolina5.6
  4. California5.5
  5. Michigan5.5
  6. Arizona5.4
  7. 50 states and D.C.6.2

Source: CMS NPPES, primary taxonomy 207RG0100X 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 84.4% 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 States84.4%

Gastroenterology Physician records in California, measured

  • In a Medicare file1,779 of 2,140 · 83.1% here, 84.4% nationally
  • In the CMS Doctors and Clinicians file1,538 · 71.9% here, 73.7% nationally
  • Not updated in five years or more1,280 · 59.8% here, 55.6% nationally
  • Median graduation year2002 · the 1,538 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RG0100X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,140 NPPES records list gastroenterology physician (207RG0100X) as their primary taxonomy with a practice address in California: 5.5 per 100,000 residents against 6.2 nationally (50 states and D.C.). Los Angeles has 195 of them (9%).

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 York1,797
  2. Florida1,513
  3. Texas1,478
  4. Pennsylvania1,049

States with a similar rate per 100,000

  1. Michigan5.5
  2. Arizona5.4
  3. Indiana5.4
  4. Vermont5.4

The largest states

  1. New York1,797
  2. Florida1,513
  3. Texas1,478
  4. Pennsylvania1,049
  5. Illinois887

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.