NPPES file of Aug 9, 2026

Internal Medicine Physician in Texas

9,175 NPPES records list internal medicine physician with a practice address in Texas, 30 per 100,000 residents, the 42nd highest rate of 51. Houston and Dallas have the most; each record links to the provider's NPI and the Texas license search. Page 144 of 184.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · 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, 1,488

  1. Houston1,488
  2. Dallas956
  3. San Antonio657
  4. Austin606
  5. Fort Worth388

Internal Medicine Physician records in Texas

  1. Hannah Rourick, DOGalveston, TX 775551578456539
  2. Landon Roussel, MDCanyon Lake, TX 781331417397340
  3. Margaret Row, M.D.Houston, TX 770301750482881
  4. Kyle Rowe, M.D.Dallas, TX 752461588045496
  5. Kim RowlandsAustin, TX 787041982210571
  6. Patricia Rowley, MDAustin, TX 787391710649413
  7. Robert Rowntree, MDDallas, TX 752191346495736
  8. Kausik Roy, MDCedar Park, TX 786131538377478
  9. Khushali RoyGalveston, TX 775551366143125
  10. Lisa Roy, M.D.Gainesville, TX 762401730201138
  11. Mathews Roy, MDHouston, TX 770301356087100
  12. Nikhil Roy Chaudhury, MDFort Worth, TX 761041437735206
  13. Priya Roy Chaudhury, M.D.Corsicana, TX 751091679132914
  14. Pamela Roy-KondepatiKilleen, TX 765491225579956
  15. Sudha Royappa, M.D.Dallas, TX 752311134120637
  16. Cheng-Huai Ruan, M.D.Houston, TX 770241629210927
  17. Judith Rubano, MDCorpus Christi, TX 784041184688608
  18. Joel Rubin, DOFrisco, TX 750341396850202
  19. Shari Rubin, M.D.Houston, TX 770051083869820
  20. David Rubio, M.D.Houston, TX 770301538453295
  21. Richard Rubio, MDSan Antonio, TX 782581649367483
  22. Maria Teresa Rubio-Pinaroc, M.D.El Paso, TX 799361043420524
  23. Lela Ruck, MDEl Paso, TX 799111235543760
  24. Dawn Rudd, MDSan Antonio, TX 782141669441937
  25. Bradley Rue, MDSherman, TX 750901508835471
  26. Jaime RuedaHouston, TX 770301013155050
  27. Steven RuelasBurleson, TX 760281538802384
  28. Dennis Ruff, M.D.San Antonio, TX 782091003035718
  29. John Ruffino, MDDallas, TX 752311407122872
  30. Tatiana Rugeles Suarez, MDSan Antonio, TX 782281447812375
  31. Martin Ruiz, MDFort Worth, TX 761141356410104
  32. Roberto Ruiz, MDOdessa, TX 797611336471606
  33. Jose Ruiz Rodriguez, MDLaredo, TX 780411669959649
  34. Mauricio Ruiz-Baron, M.D.Fort Worth, TX 761091720306418
  35. David Ruiz-Bello, M.D.Fort Worth, TX 761161770732398
  36. Sireesha Rukkannagari, M.D.Garland, TX 750421821042326
  37. Srinivas Rumalla, M.D.Humble, TX 773381184648701
  38. Sudhakar Rumalla, M.DArlington, TX 760151093823809
  39. Sunita Rumalla, MDHumble, TX 773381346336526
  40. Gregory Rumph, MDHouston, TX 770301407857725
  41. Miriam RuoffDallas, TX 752461356030944
  42. Ammie Rupani, DOGalveston, TX 775551326788431
  43. Jonathan Rush, M.D.Austin, TX 787051447678685
  44. Carl Russell, MDRichardson, TX 750801982632857
  45. Danny Russell, MDTyler, TX 757011396310777
  46. Kenneth Russell, M.D.Mexia, TX 766671205927829
  47. Melvin Russell, D.O.Houston, TX 770771538239546
  48. Patrick Russell, MDTyler, TX 757011750356382
  49. Harvey Russwurm, MDSan Angelo, TX 769031083604706
  50. Neelima Ryali, M.D.Abilene, TX 796011508874918

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

Texas ranks 42 of 51 per resident

  1. Mississippi33
  2. North Dakota31
  3. Indiana31
  4. Texas30
  5. Montana29
  6. Oklahoma28
  7. 50 states and D.C.44

Source: CMS NPPES, primary taxonomy 207R00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

82.0% of these records appear in a Medicare file, against 78.7% 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. Texas82.0%
  2. United States78.7%

Internal Medicine Physician records in Texas, measured

  • In a Medicare file7,523 of 9,175 · 82.0% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file6,090 · 66.4% here, 61.4% nationally
  • Not updated in five years or more4,540 · 49.5% here, 55.4% nationally
  • Median graduation year2004 · the 6,088 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207R00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

9,175 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Texas: 30 per 100,000 residents against 44 nationally (50 states and D.C.). Houston has 1,488 of them (16%).

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. Florida10,151
  2. Pennsylvania7,300
  3. Illinois7,238
  4. Massachusetts6,825

States with a similar rate per 100,000

  1. Indiana30.7
  2. North Dakota31.3
  3. Montana28.6
  4. Oklahoma27.5

The largest states

  1. California17,696
  2. New York12,067
  3. Florida10,151
  4. Pennsylvania7,300
  5. Illinois7,238

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.