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 25 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. Laura McEnerney, M.D.Valencia, CA 913551558632208
  2. Dermot McGovern, M.D., PH.D., MRCPWest Hollywood, CA 900481326283821
  3. Richard McGuire, M.D.Fullerton, CA 928321437196730
  4. Kenneth McQuaid, M.D.San Francisco, CA 941211497781009
  5. Michael McTigue, M.D.San Marcos, CA 920781942444500
  6. Robert Mecum, M.D.Whittier, CA 906061114945680
  7. Valentina Medici, M.D.Sacramento, CA 958171902858541
  8. Edgar Mehdikhani, MDGlendale, CA 912041962680348
  9. Shahab Mehdizadeh, M.D.Beverly Hills, CA 902111790715241
  10. Robert Mehler, M.D.San Gabriel, CA 917761730259243
  11. Arthur Mehlman, MDPanorama City, CA 914021447327259
  12. Homeira Mehrabian, MDNewport Beach, CA 926631699972844
  13. Kalpesh Mehta, DOBellflower, CA 907061952460610
  14. Kapil Mehta, MDHarbor City, CA 907101326115296
  15. Mamta Mehta, M.D., M.P.HRancho Mirage, CA 922701700029410
  16. Rena Mei, MDSan Francisco, CA 941101023571908
  17. Sinda Mein, MDMenlo Park, CA 940251376657734
  18. Mick Meiselman, MDSan Luis Obispo, CA 934011801897012
  19. Constantine Melitas, M.D.Santa Maria, CA 934541154731321
  20. Michael Mello, MDGlendale, CA 912081356571566
  21. W. Mello, M.D.Glendale, CA 912081376549733
  22. Thomas Mellor, D.O.Santa Barbara, CA 931051083030274
  23. Gil Melmed, M.D.Los Angeles, CA 900481336102524
  24. Jane Melnick, MDSan Francisco, CA 941151124049879
  25. Zoe Memel, MDSanta Rosa, CA 954031710494158
  26. Jeanette Mendez, M.D.Encinitas, CA 920241457461741
  27. Aristotle Mendiola, M.D.San Francisco, CA 941151871518266
  28. Roger Mendis, M.D.Sacramento, CA 958161861493413
  29. Michel Mendler, M.D.Loma Linda, CA 923541134232051
  30. Dorian Mendoza, MDBeverly Hills, CA 902101942761341
  31. Michael Mendoza, M.D.Monterey, CA 939401902989668
  32. Antonio Mendoza Ladd, M.D.Sacramento, CA 958171790926079
  33. Moothedath Menon, M.D.Tustin, CA 927801336134014
  34. Charles Menz, MDVentura, CA 930031447286141
  35. Nischita Merla, MD, MPHUpland, CA 917861629272208
  36. Hooshang Meshkinpour, M.D.Irvine, CA 926181053386243
  37. Sheldon Meshulam, MDArcata, CA 955211184720740
  38. Richard Messian, M.D.Concord, CA 945201609929751
  39. William Metzger, MDOrange, CA 928681629040308
  40. George Meyer, MDSacramento, CA 958251942389655
  41. Yeeshun Miao, M.D.Fullerton, CA 928351518953983
  42. Majd Michael, M.D.Cameron Park, CA 956821306223177
  43. Sherif MichaelSanta Barbara, CA 931051699185884
  44. Deena Midani, M.D.Beverly Hills, CA 902111902199565
  45. Robert Midgley, MDSacramento, CA 958231396823043
  46. Iman Mikhail, MDNational City, CA 919501538132881
  47. Alexander Miller, MDSacramento, CA 958171104357656
  48. Donald Miller, MDOxnard, CA 930301023056850
  49. William Minteer, MDSan Diego, CA 921231184186421
  50. Nader Mirhoseni, M.D.Mission Viejo, CA 926911588645964

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.