NPPES file of Aug 9, 2026

Diagnostic Radiology Physician in Texas

3,124 NPPES records list diagnostic radiology physician with a practice address in Texas, 10 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 40 of 63.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2085R0202X · 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, 823

  1. Houston823
  2. Dallas495
  3. San Antonio254
  4. Fort Worth248
  5. Austin129

Diagnostic Radiology Physician records in Texas

  1. Cuong Nguyen, D.O.Dallas, TX 753901588944342
  2. Dan Nguyen, MDHouston, TX 770901366947509
  3. Daniel Nguyen, MDHouston, TX 770301750843520
  4. Hai Nguyen, M.D.Houston, TX 770901760460059
  5. Hung Nguyen, M.D.Wichita Falls, TX 763021326054644
  6. Joseph Nguyen, M.D.Houston, TX 770241679501522
  7. Khanh Nguyen, MDEl Paso, TX 799021093770869
  8. Lauren Nguyen, MDHarlingen, TX 785501205827235
  9. Mike Nguyen, MDAustin, TX 787271699006304
  10. Minh Nguyen, M.D.Greenville, TX 754021821047374
  11. Nam Nguyen, MDRichardson, TX 750801568410157
  12. Nguyen Nguyen, M.D.Houston, TX 770901821397084
  13. Peter Nguyen, MDDallas, TX 752461063907533
  14. Phu Nguyen, MDDallas, TX 752461376078360
  15. Quan Nguyen, M.D.Houston, TX 770301164652707
  16. Sandy NguyenFort Worth, TX 761041972009058
  17. Tan Nguyen, M.D.Dallas, TX 752191316163942
  18. Toan Nguyen, MDDallas, TX 753901326605585
  19. Victoria Nguyen, D.O.Irving, TX 750381902881238
  20. Viet Nguyen, M.D.Midland, TX 797011386900173
  21. Vung Nguyen, MDSan Antonio, TX 782291346353083
  22. Lillian NiakanTemple, TX 765081710477559
  23. David Nichols, MDAustin, TX 787271356345961
  24. David Nicol, M.D.Dallas, TX 752161225045917
  25. Charles Nicolette, MDOdessa, TX 797611255357323
  26. Joe Niehus, MDDenison, TX 750201043297260
  27. Joseph Nightingale, MDPort Arthur, TX 776421073577656
  28. Chad Niles, MDJacksonville, TX 757661073587788
  29. Saad Nini, MDDallas, TX 753901285195859
  30. Michael Nipper, M.D.Temple, TX 765081356301766
  31. Muhammad Umer Nisar, MDDallas, TX 753901831689363
  32. Robert Nisbet, MDPlano, TX 750751093764029
  33. Steven Nitke, M.D.Abilene, TX 796011134100019
  34. Daniel Nobrega Da Costa, MDHouston, TX 770301285912725
  35. Ariella Noorily, MDDallas, TX 752351447830088
  36. David Norton, MDRound Rock, TX 786651891274841
  37. Ralph Norton, M.D.Houston, TX 770901821076209
  38. Steven Novick, MDParis, TX 754601962467696
  39. Bradley Nowack, MDAbilene, TX 796011740644731
  40. Rodolfo Nunez, M.D.Houston, TX 770421063506210
  41. Pamela Nurenberg, M.D.Dallas, TX 752191659581734
  42. Stanley Nyarko, MDHouston, TX 770241144234436
  43. Seth O'Brien, M.D.Austin, TX 787271053420026
  44. Deborah O'Connell, MDAustin, TX 787461568427177
  45. Julie O'Connor, MDDallas, TX 752461164632360
  46. Thomas O'Neill, MDDallas, TX 752161861696858
  47. Thomas O'Neill, M.D.El Paso, TX 799051386874741
  48. Paul O'Sullivan, M.D.Houston, TX 770301497773857
  49. Melissa O'Toole, M.D.Houston, TX 770901205838810
  50. Phillip Oakes, MDPlano, TX 750751508824848

Source: CMS NPPES, primary taxonomy 2085R0202X: records by practice city and the list of records, file of Aug 9, 2026.

Texas ranks 42 of 51 per resident

  1. Alabama11
  2. Kansas11
  3. Kentucky11
  4. Texas10
  5. Oklahoma10
  6. Wyoming10
  7. 50 states and D.C.13

Source: CMS NPPES, primary taxonomy 2085R0202X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

77.1% of these records appear in a Medicare file, against 73.1% 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. Texas77.1%
  2. United States73.1%

Diagnostic Radiology Physician records in Texas, measured

  • In a Medicare file2,409 of 3,124 · 77.1% here, 73.1% nationally
  • In the CMS Doctors and Clinicians file2,280 · 73.0% here, 68.5% nationally
  • Not updated in five years or more1,894 · 60.6% here, 56.9% nationally
  • Median graduation year2003 · the 2,277 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2085R0202X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

3,124 NPPES records list diagnostic radiology physician (2085R0202X) as their primary taxonomy with a practice address in Texas: 10 per 100,000 residents against 13 nationally (50 states and D.C.). Houston has 823 of them (26%).

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. New York3,146
  2. Florida2,761
  3. Pennsylvania2,199
  4. Illinois1,874

States with a similar rate per 100,000

  1. Oklahoma10.0
  2. Kentucky10.5
  3. Kansas10.6
  4. Wyoming9.8

The largest states

  1. California4,500
  2. New York3,146
  3. Florida2,761
  4. Pennsylvania2,199
  5. Illinois1,874

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.