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 100 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. Bobby Marek, MDBrenham, TX 778331063415149
  2. Richard Marietta, M.D.Webster, TX 775981306007729
  3. Annette Marin, MDCypress, TX 774331841481793
  4. Luisa Marin, MDLubbock, TX 794301316941107
  5. Noe Marioni, M.D.El Paso, TX 799051154616423
  6. Anu Mariyappa, M.DShenandoah, TX 773841215153879
  7. Nathan MarkelDallas, TX 752461932633583
  8. Eric Marks, MDBeaumont, TX 777011720089790
  9. George Markus, M.D.Dallas, TX 752481295831535
  10. Joseph Marotta, M.D.San Antonio, TX 782121750332656
  11. David Marquez, M.D.Austin, TX 787311831127679
  12. Robert Marquinez, M.D.Eagle Pass, TX 788521407910714
  13. Rey Marquino, MDBedford, TX 760221003806332
  14. James Marroquin, MDAustin, TX 787051902014392
  15. Benito Marrufo, MDHouston, TX 770651710953575
  16. Conner Marsden, DOJbsa Lackland, TX 782361851974307
  17. James Marsh, MDJbsa Fort Sam Houston, TX 782341972203479
  18. Michael Marshall, M.D.Cedar Hill, TX 751041881668952
  19. Christopher Martin, M.D.Dallas, TX 752031396806535
  20. Dieter Martin, MDAustin, TX 787041548298391
  21. Gregory Martin, M.D.El Paso, TX 799251326107657
  22. Hunter Martin, DOTemple, TX 765081801598222
  23. Jason Martin, MDAustin, TX 787051447441639
  24. John Martin, M.D.Arlington, TX 760171093759896
  25. Kathleen Martin, MDTexarkana, TX 755031568462463
  26. Luis Martin, M.D.El Paso, TX 799051588874085
  27. Luther Martin, DOEl Paso, TX 799201073659462
  28. Michael Martin, MDTexarkana, TX 755031588664486
  29. Michael Martin, M.D.Temple, TX 765081104887256
  30. Michael Martin, MDKerrville, TX 780281588776058
  31. Michael Martin, MDRound Rock, TX 786811720196033
  32. Michael Martin, MDAustin, TX 787411811197551
  33. Robbie Martin, MDMission, TX 785721255326278
  34. Sean Martin, M.D.Houston, TX 770051649481771
  35. Santiago Martin Albo, MDSan Antonio, TX 782291912639980
  36. Lawrence Martinek, MDFort Hood, TX 765441013030436
  37. Andres Martinez, MDLaredo, TX 780411992454797
  38. Arturo Martinez, M.D.Laredo, TX 780411235159104
  39. Arturo Martinez, MDMcAllen, TX 785031649563925
  40. Cesar Martinez, MDMcAllen, TX 785031740212042
  41. George Martinez, M.D.Temple, TX 765081841304318
  42. Hector Martinez, MDEl Paso, TX 799021659373520
  43. Jose Martinez, MDWinnsboro, TX 754941154358638
  44. Jose Martinez, MDMcAllen, TX 785041649289935
  45. Juan Martinez, M.D.Brownsville, TX 785201275660920
  46. Louizza Martinez, MDPlano, TX 750251073176772
  47. Luis Martinez, MDFort Worth, TX 761321609893288
  48. Manuel Martinez, M.D.San Antonio, TX 782141568437432
  49. Renee Martinez, M.D.Temple, TX 765081801006309
  50. Roberto Martinez, M.D.Edinburg, TX 785391275597593

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.