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 29 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. Stephen Pandol, MDLos Angeles, CA 900731891892774
  2. Vijay Pandyarajan, MD, PHDLos Angeles, CA 900481083068340
  3. Jaspreet Panesar, MDWoodland Hills, CA 913671366594723
  4. Norman Panitch, MDTorrance, CA 905051306881487
  5. Eugene Pantangco, M.D.Los Alamitos, CA 907201205916780
  6. Anuradha Pappu, MDPanorama City, CA 914021215004189
  7. Harold Paredes, MDLos Angeles, CA 900951447592969
  8. Edward Paredez, M.D.La Jolla, CA 920371518951714
  9. Nimisha Parekh, MDOrange, CA 928681740397421
  10. Abhay Parikh, MDNewport Beach, CA 926631982657664
  11. Rakesh Parikh, MDRoseville, CA 956611326052028
  12. Jacqueline Park, M.D.San Pablo, CA 948061346415247
  13. Jung Park, MDPanorama City, CA 914021174855738
  14. Kenneth Park, M.D., M.SC.West Hollywood, CA 900481245522739
  15. Sandra Sunhee Park, MDOrange, CA 928681225305915
  16. Walter Park, M.D.Stanford, CA 943051538355672
  17. Stephen Parnell, M.D.Inglewood, CA 903011609968320
  18. Nour Parsa, M.D.Loma Linda, CA 923541053725366
  19. David Parsons, MDMonterey, CA 939401659812915
  20. Arpan Patel, MDLos Angeles, CA 900951124313820
  21. Avanish Patel, MDHarbor City, CA 907101871652529
  22. Bhavesh Patel, M.D.Rancho Cucamonga, CA 917301952543514
  23. Chirag Patel, MDTorrance, CA 905051457307142
  24. Derek Patel, M.D.San Diego, CA 921031073538385
  25. Devin PatelLos Angeles, CA 900951578099735
  26. Dhruv Patel, M.D.Folsom, CA 956301932561123
  27. Janki Patel, M.D.Encinitas, CA 920241548606668
  28. Jitesh Patel, MDWoodland Hills, CA 913671053511634
  29. Kumkum Patel, M.D., MPHFullerton, CA 928351003178138
  30. Mahendra Patel, M.D.Simi Valley, CA 930651801833561
  31. Nehali Patel, MDFontana, CA 923351457514168
  32. Ramanbhai Patel, M.D.Lancaster, CA 935341720006992
  33. Roshan PatelAntioch, CA 945311306137856
  34. Sharmila Patel, MDRiverside, CA 925061760467864
  35. Shreya PatelSan Francisco, CA 941101881949691
  36. Shruti Patel, M.D.Sacramento, CA 958171376937656
  37. Vikram Patel, MDSalinas, CA 939011073908885
  38. Yogendra Patel, MDMoreno Valley, CA 925531386706240
  39. Mythili Pathipati, MDPalo Alto, CA 943011306336490
  40. Canagartnam Pathmarajah, M.D.Lancaster, CA 935341568488245
  41. Heather Patton, M.D.San Diego, CA 921031396796124
  42. Mary Pauly, MDSacramento, CA 958171225116999
  43. Sassan Pazirandeh, MDOakland, CA 946111952489759
  44. Stephen Pearce, MDChico, CA 959281306839923
  45. Robert Pecha, MDSacramento, CA 958161639799794
  46. Benito PedrazaVentura, CA 930031851323026
  47. Joshua Penfield, MBCHBSan Diego, CA 921231356508402
  48. Marvin Perer, M.D.Los Angeles, CA 900491508008301
  49. Richard Permutt, MDSanta Rosa, CA 954031407930571
  50. John Person, M.D.San Diego, CA 921231285647297

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.