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 54 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. David Spencer, M.D.Wichita Falls, TX 763011265500763
  2. Jose Spencer, M.D.Katy, TX 774501245233022
  3. Barbara Spezia, M.D.Seguin, TX 781551215902739
  4. Joseph Spigel, MDDallas, TX 752461306899133
  5. Preston Spindle, M.D.Denison, TX 750201386080604
  6. Stanislav Spiridonov, M.D.Austin, TX 787271295021616
  7. Mark Spivey, MDPlano, TX 750751043268204
  8. Ashmitha Srinivasan, M.DHouston, TX 770241831353325
  9. Padmavathi Srinivasan, MDHurst, TX 760541225189392
  10. Shweta Srivastava, MDDallas, TX 753901407352479
  11. Udayan Srivastava, MDDallas, TX 753901346635695
  12. Robert Staewen, M.D.Houston, TX 770471245278597
  13. Matthew Stalker, M.D.San Antonio, TX 782151669490090
  14. Nir Stanietzky, M.D.Houston, TX 770301508856717
  15. Ashley Stanley, M.D.Galveston, TX 775551659658904
  16. Kelly Starkey, M.D.Fort Worth, TX 761041003027533
  17. Alicia Starr, MDDenison, TX 750201811955305
  18. Paul Staveteig, MDPlano, TX 750931194751685
  19. Anthony Stavros, M.D.San Antonio, TX 782401982658381
  20. Deborah Stedman, MDSan Antonio, TX 782291508048638
  21. Edward Stehel, MDDallas, TX 753901912963208
  22. Steven Steinbaum, M.D.Plano, TX 750931376569178
  23. Gregory Stenoien, M.D.Temple, TX 765081598142226
  24. Randall Stenoien, M.D.Houston, TX 770471063403343
  25. Nicholas StephensSan Antonio, TX 782291588083513
  26. Cory Stephenson, MDTemple, TX 765081568969160
  27. Jeffrey Stevens, M.D.Temple, TX 765081164868212
  28. Kyle Stevens, DOJbsa Lackland, TX 782361033675830
  29. Fabricio Stewan Feltrin, M.D.Dallas, TX 753901356970735
  30. Karen Stewart, M. D.Temple, TX 765041356459358
  31. Michael Stewart, MDIrving, TX 750611316986912
  32. Michael StillFort Worth, TX 761041205367398
  33. John Stoll, M.D.San Antonio, TX 782291245207562
  34. Nicole Stranch, M.D.Dallas, TX 753901245623685
  35. Chad Strange, MDTemple, TX 765021982665550
  36. Susan Straten, D.O.Irving, TX 750611902830409
  37. Richard Strax, M.D.Houston, TX 770981073575593
  38. Brandon Stroh, M.D.Houston, TX 770401841293628
  39. David Strong, M.D.Corpus Christi, TX 784041083612576
  40. Charles Strother, M.D.Houston, TX 770471598755019
  41. Bradley Strout, MDDallas, TX 753901316904717
  42. Rathan Subramaniam, MD, PHD, MPHDallas, TX 753901992826184
  43. Barbara Sullivan, M.D.San Antonio, TX 782011518943349
  44. John Sullivan, MDPlano, TX 750751316995350
  45. Paul Sullivan, MDDallas, TX 753901952366676
  46. Ronald Sullivan, MDGarland, TX 750421295926483
  47. Timothy Sullivan, M.D.Plano, TX 750751821058595
  48. William Sullivan, M.D.San Antonio, TX 782291043296874
  49. Donald Sumerlin, MDBrenham, TX 778331043445828
  50. James Summa, M.D.Mesquite, TX 751491124018692

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.