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 34 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. Thomas Savides, M.D.San Diego, CA 921031588649081
  2. Sheila Savur, M.D.San Jose, CA 951241194836585
  3. Vinod Sawhney, M.D.San Leandro, CA 945781447283874
  4. Roger Sayegh, MDRiverside, CA 925051306917281
  5. Cynthia Schaeffer, M.D.San Diego, CA 921141740352293
  6. Gerald Schaffer, MDSan Pablo, CA 948061780797027
  7. Howard Schecter, M.D.Los Angeles, CA 900451730283045
  8. Drew Schembre, MDWalnut Creek, CA 945981366557217
  9. William Schindler, D.O.San Diego, CA 921231831201995
  10. Fredric Schlussel, MDPanorama City, CA 914021497814016
  11. Bernd Schnabl, M.D.San Diego, CA 921031770748733
  12. David Schneiderman, MDCarmichael, CA 956081407867211
  13. Gail Schoenau, M.D.Laguna Beach, CA 926511811018047
  14. Shannon Schroeder, MDSacramento, CA 958171831752203
  15. David Schulman, MDBurbank, CA 915051548365216
  16. Ulrika Schumacher, MDSan Diego, CA 921201184772063
  17. Joseph Schwarz, MDSan Diego, CA 921201326107905
  18. Brennan Scott, MDPalo Alto, CA 943011295809424
  19. Alireza Sedarat, MDSanta Monica, CA 904041629133913
  20. Kristina Seeger, M.D.San Diego, CA 921281598022303
  21. Daniel Seid, MDFontana, CA 923351053470658
  22. Harpreet Sekhon, MDLos Angeles, CA 900271780751628
  23. Sandeep Sekhon, M.D.Fresno, CA 937201205058856
  24. Sanford SelconGranite Bay, CA 957461467883959
  25. Khaled Selim, M.D.Loma Linda, CA 923541174688071
  26. John Selling, MDPortola Valley, CA 940281386608024
  27. Peter Sender, MDHarbor City, CA 907101407915010
  28. Suk Seo, MDLos Angeles, CA 900951023038080
  29. Steve Serrao, M.D.Moreno Valley, CA 925551659630549
  30. Saurabh Sethi, M.D.Fremont, CA 945381215165600
  31. Neil Sevy, MDLos Angeles, CA 900341588716948
  32. Justin Sewell, M.D.San Francisco, CA 941101831212158
  33. Ahmad Shaban, MDMission Viejo, CA 926911154413102
  34. Javaid Shad, M.D.Oceanside, CA 920561003885922
  35. Muhammad Shafqet, M.D.Modesto, CA 953551801226873
  36. Anoop Shah, MDLong Beach, CA 908131154492361
  37. Kalyani Shah, M.D.Madera, CA 936371932289162
  38. Ketan Shah, M.D., M.B.A.Orange, CA 928681629244652
  39. Keval Shah, D.O.Oxnard, CA 930301093035917
  40. Nihar Shah, MDBerkeley, CA 947051285998609
  41. Nimeesh Shah, MDSan Jose, CA 951281740308592
  42. Paurush Shah, MDYorba Linda, CA 928861699090274
  43. Prince Shah, M.D.Gilroy, CA 950201174632251
  44. Samik ShahValencia, CA 913551346696333
  45. Shailja Shah, MDSan Diego, CA 921031073803243
  46. Umesh Shah, M.D.Chino, CA 917101851465504
  47. Omar Shahbaz, M.D., M.S.Corona, CA 928821417226366
  48. Kamyar Shahedi, M.D.Santa Monica, CA 904041780818823
  49. Anisa Shaker, M.D.Los Angeles, CA 900331356524250
  50. Mohammad Shakfeh, M.DChino, CA 917101457399032

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.