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 130 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. Martin Perez, M.D.Houston, TX 770411477693794
  2. Enrique Perez-Rodriguez, MDSan Antonio, TX 782121174571434
  3. Sara Perez-Stokes, M.D.Round Rock, TX 786651932491818
  4. Tamilselvi Periasamy, MDTaylor, TX 765741659913440
  5. Mihaela Perijoc, MDDallas, TX 752051811933302
  6. Henry Perkins, MDSan Antonio, TX 782291366452088
  7. Shane Perkins, D.O.Corpus Christi, TX 784051659732295
  8. Yolanda Perkins-Cobos, M.D.McAllen, TX 785041861547747
  9. Sergio Perossa, MDCypress, TX 774331316086317
  10. Cynthia Perry, M.D.Breckenridge, TX 764241710093497
  11. John Perry, M.D.Conroe, TX 773041649389446
  12. Joe Perryman, MDArlington, TX 760151649224312
  13. Gene Pershwitz, M.D.Murphy, TX 750941588073613
  14. David Peters, MDKerrville, TX 780281275518912
  15. Patrick Peters, M.D.San Antonio, TX 782381578505731
  16. Rebecca Peters, MDSan Antonio, TX 782401679614911
  17. John Petersen, MDMidland, TX 797071972506442
  18. Laura Petersen, MDHouston, TX 770301871500306
  19. Alisa Peterson, DOStephenville, TX 764011609842525
  20. Truly Peterson, MDLakeway, TX 787381982643680
  21. Sunny Petigara, M.D.Waco, TX 767121396161733
  22. Kimberly Petitt, DOHumble, TX 773381194827865
  23. Jasmine Pettiford, M.D.Porter, TX 773651447602685
  24. John Pettigrove, M.D.Corpus Christi, TX 784121447235478
  25. George Pettit, MDHouston, TX 770651225044936
  26. Jared Petty, DOWinnsboro, TX 754941720280753
  27. Mathew Peynado, MDHarlingen, TX 785501962199190
  28. Willy Pezzia, M.D.Katy, TX 774501982604575
  29. Rachel Pezzino, D.O.Houston, TX 770301346628997
  30. Brian Pfeiffer, MDTyler, TX 757011548234271
  31. Irma Pfister, MDSugar Land, TX 774781790740926
  32. Alexander Pham, MDAustin, TX 787121568217123
  33. Antoine Pham, D.O.Leander, TX 786411619293388
  34. Christie Pham, DORound Rock, TX 786651407315518
  35. Connie Pham, M.D.Houston, TX 770361730165648
  36. Hai Pham, MDSan Antonio, TX 782291316042849
  37. Hien Pham, DOEl Paso, TX 799051861014136
  38. Hoang Pham, M.D.Fort Sam Houston, TX 782341154597706
  39. Huy Pham, MDIrving, TX 750631558571521
  40. Joseph Pham, M.D.Dallas, TX 752311982996088
  41. Juliet Pham, DOSan Antonio, TX 782291831838929
  42. Kevin PhamGalveston, TX 775551740930502
  43. Khoa Pham, MDFort Worth, TX 761321487856340
  44. Khoi Pham, D.O.Frisco, TX 750351508244088
  45. Michael Pham, DOCorpus Christi, TX 784121194258996
  46. Nhi Pham, MDSan Antonio, TX 782051366638538
  47. Thang Pham, MDFort Sam Houston, TX 782341336130731
  48. Theresa Pham, M.D.Austin, TX 787551972531705
  49. Thien Pham, DOWeatherford, TX 760861982192852
  50. Trung Pham, M.D.Houston, TX 770141780680264

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.