NPPES file of Aug 9, 2026

Gastroenterology Physician in Texas

1,478 NPPES records list gastroenterology physician with a practice address in Texas, 4.8 per 100,000 residents, the 33rd highest rate of 51. Houston and Dallas have the most; each record links to the provider's NPI and the Texas license search. Page 11 of 30.

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).

Houston has the most, 277

  1. Houston277
  2. Dallas168
  3. San Antonio119
  4. Austin65
  5. Fort Worth60

Gastroenterology Physician records in Texas

  1. Ian Greenberg, MDDallas, TX 752081649791542
  2. Johnasan Gregory, M.D.Sherman, TX 750921699774869
  3. Connor Griffin, MDDallas, TX 752031376077818
  4. Nicole Grigg Gutierrez, MDHarlingen, TX 785501750516035
  5. Glenn Gross, MDSan Antonio, TX 782291447367503
  6. Franciska Gudenkauf, MD, MPHHouston, TX 770301053930990
  7. Ernesto Guerra, MDSan Antonio, TX 782121558366435
  8. Richard Guerrero, MDEl Paso, TX 799361962670463
  9. Sushovan Guha, MD, PHDSugar Land, TX 774781538269840
  10. Robert Guinan, M.D.Fort Worth, TX 761321932190352
  11. Michael Guirl, M.D.San Antonio, TX 782581962496711
  12. Nadege Gunn, M.D.Waco, TX 767101902822281
  13. Ashutosh Gupta, M.D.Odessa, TX 797611568608198
  14. Tej Gupta, MDEl Paso, TX 799021154386621
  15. Maninder Guram, M.D.Tomball, TX 773751689671307
  16. Shawn Gurwara, M.D.Houston, TX 770941114371937
  17. Kumar Gutta, M.D.Fort Worth, TX 761041831180413
  18. Jesus Guzman, MDEl Paso, TX 799021326601956
  19. James Haddad, M.D.McKinney, TX 750711700126026
  20. Maurice Haddad, MDPasadena, TX 775051174512131
  21. Ismail Hader, M.D.Cypress, TX 774291538456660
  22. Adam Hafemeister, MDAustin, TX 787451225268261
  23. Clark Hair, MDHouston, TX 770301205058898
  24. James Hakert, M.D.Dallas, TX 752311467411298
  25. Seifeldin Hakim, M.D.Houston, TX 770741689057937
  26. David Hall, M.D.Bedford, TX 760221275598757
  27. Noah Hall, M.D.Fort Sam Houston, TX 782341396056172
  28. Howard Hamat, MDHouston, TX 770901376537605
  29. John Hamilton, M.D.Dallas, TX 752461033179213
  30. Yolanda Hamilton, M.D.Houston, TX 770741043241870
  31. Andrew Han, M.D.San Antonio, TX 782291518300359
  32. Joseph Hancock, M.D.Lubbock, TX 794151194713222
  33. Daniel HansenDallas, TX 752461023508355
  34. Bryan Hanysak, MDMcGregor, TX 766571720179203
  35. Menalee Hapuarachchi, MDArlington, TX 760121932606126
  36. Ali Harb, M.D.Waxahachie, TX 751651588084867
  37. William Harford Jr, M.D.Dallas, TX 752161649255258
  38. Farah Harmouch, MDHouston, TX 770891740849520
  39. Prateek Harne, MDEdinburg, TX 785391114403433
  40. Samar Harris, M.D.Dallas, TX 752311154532976
  41. Mosaab Hasan, MDFloresville, TX 781141477566016
  42. Syed Hasan, M.D., M.P.HCarrollton, TX 750101659509271
  43. Benjamin Havemann, M.D.Austin, TX 787451154347870
  44. Russell Havranek, MDSan Antonio, TX 782291871672519
  45. Steven Hearne, M.D.San Antonio, TX 782171730173832
  46. Robert Hendler, MDDallas, TX 752301245963941
  47. Chase Herdman, MDFort Worth, TX 761321457446064
  48. Homer Herlong, M.D.Dallas, TX 753901699725366
  49. Robert HermanHouston, TX 770241528171808
  50. Alfred Hernandez, M.D.Houston, TX 770771841377041

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

Texas ranks 33 of 51 per resident

  1. Tennessee5.4
  2. South Dakota5.3
  3. Kentucky5.0
  4. Texas4.8
  5. Georgia4.8
  6. West Virginia4.6
  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.

88.6% 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. Texas88.6%
  2. United States84.4%

Gastroenterology Physician records in Texas, measured

  • In a Medicare file1,309 of 1,478 · 88.6% here, 84.4% nationally
  • In the CMS Doctors and Clinicians file1,175 · 79.5% here, 73.7% nationally
  • Not updated in five years or more777 · 52.6% here, 55.6% nationally
  • Median graduation year2003 · the 1,175 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

1,478 NPPES records list gastroenterology physician (207RG0100X) as their primary taxonomy with a practice address in Texas: 4.8 per 100,000 residents against 6.2 nationally (50 states and D.C.). Houston has 277 of them (19%).

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. Florida1,513
  2. New York1,797
  3. Pennsylvania1,049
  4. Illinois887

States with a similar rate per 100,000

  1. Georgia4.8
  2. Kentucky5.0
  3. West Virginia4.6
  4. Delaware4.6

The largest states

  1. California2,140
  2. New York1,797
  3. Florida1,513
  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.