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 116 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. Duy NguyenGreenville, TX 754011518894484
  2. Gary Nguyen, MDBedford, TX 760221316155252
  3. George Nguyen, D.O.Temple, TX 765081902065113
  4. Giam Nguyen, D.O.Houston, TX 770031356351449
  5. Giang Nguyen, M.D.Pampa, TX 790651457349839
  6. Ha Nguyen, D.O.Houston, TX 770071174531560
  7. Hao Nguyen, MDRichardson, TX 750821306401146
  8. Helen NguyenGalveston, TX 775551538903455
  9. Hiep NguyenCypress, TX 774291689367062
  10. Hong Loan Nguyen, M.D.Houston, TX 770301538696224
  11. Hung Nguyen, M.D.Houston, TX 770651790784288
  12. Huy Nguyen, M.D.Cypress, TX 744291235383290
  13. Huy Nguyen, MDFort Worth, TX 761371023012002
  14. Huyen Nguyen, DOLongview, TX 756011215387881
  15. Huyen Nguyen, MDHouston, TX 770721962583906
  16. Huyen Nguyen, M.D.Live Oak, TX 782331629167929
  17. Janette Nguyen, MDCypress, TX 774331912994104
  18. Jasmine Nguyen, MDHumble, TX 773961467192104
  19. John Nguyen, M.D.Bryan, TX 778021366547150
  20. Julian Nguyen, DOKingwood, TX 773391174084156
  21. Julie Nguyen, M.D.Houston, TX 770301780811810
  22. Kenneth Nguyen, M.D.Dallas, TX 752541811912868
  23. Kevin Nguyen, MDDallas, TX 752311053384321
  24. Khanh Nguyen, M.D.Fort Worth, TX 761041922168178
  25. Khanh Nguyen, MDHouston, TX 770701003803974
  26. Khanh Nguyen, M.D.Austin, TX 787311548209703
  27. Khanh-Trang Nguyen, M.D.Houston, TX 770891619995768
  28. Kimberly Nguyen, MDHouston, TX 770701548843675
  29. Lars Nguyen, MDGalveston, TX 775551649066085
  30. Leanne Nguyen, M.D.Houston, TX 770301427491224
  31. Liem Nguyen, M.D.San Angelo, TX 769041982865952
  32. Linh Nguyen, MDDallas, TX 752311659475028
  33. Michael Nguyen, M.D.Galveston, TX 775551174547319
  34. Minh Nguyen, M.D.Corpus Christi, TX 784121538144530
  35. Nghia Nguyen, M.D.Houston, TX 770541922042977
  36. Nicholas Nguyen, DODallas, TX 752031992360580
  37. Oanh Nguyen, M.D.Dallas, TX 753901730389263
  38. Patrick Nguyen, MDHouston, TX 770301417690835
  39. Peter Nguyen, M.D.Victoria, TX 779041902976483
  40. Phong Nguyen, M.D.Houston, TX 770841952345506
  41. Quan Nguyen, D.O.Fort Worth, TX 761041407077407
  42. Randy Nguyen, DOFort Worth, TX 761041003565797
  43. Son Nguyen, MDHouston, TX 770301720583362
  44. Sun Nguyen, M.D.Houston, TX 770301538492970
  45. Susie Nguyen, M.D.Houston, TX 770651275532764
  46. Tai NguyenHouston, TX 770891982659629
  47. Taylor Nguyen, MDHouston, TX 770301407319817
  48. Thanh-Nhan Nguyen, MDDallas, TX 752161588778922
  49. Thao Nguyen, D.O.Fort Worth, TX 761041972957488
  50. Theresa Nguyen, M.D.Houston, TX 770301609263870

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.