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 50 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. Richard Ferguson, MDSan Antonio, TX 782171548215882
  2. Sarah Ferguson, M.D.Abilene, TX 796011366489908
  3. David FernandezGalveston, TX 775551114663903
  4. Jimmy Fernandez, M.D.San Antonio, TX 782591851568950
  5. Sara Fernandez, M.D.Sugar Land, TX 774791518109115
  6. Rafael Fernandez Bohorquez, M.D.Houston, TX 770181477791846
  7. Hanen Fernandez Rojas, DODallas, TX 752871669176764
  8. Kristel Fernandez-Lopez, MDSan Benito, TX 785861982272589
  9. Chaminda Fernando, D.O.Amarillo, TX 791061225359623
  10. E Ferree, D.O.Fort Worth, TX 761161184699654
  11. John Ferris, MDGrapevine, TX 760511538257084
  12. Susan Fesmire, M.D.Dallas, TX 752311548233034
  13. Laurie Feuer, M.D.Houston, TX 770051730270075
  14. Faraz Fiazuddin, M.D.San Antonio, TX 782291518352780
  15. Roberta Ficke, MDSan Antonio, TX 782341013996735
  16. David FicklenHuntsville, TX 773401356347603
  17. Bridget Fiechtner, M.D.Lackland Air Force Base, TX 782361568498442
  18. Gustavo Fierro-Carrion, MDMidland, TX 797051437114659
  19. Kathryn FigerKerrville, TX 780281760865505
  20. Stephen Fillman, MDShenandoah, TX 773801992779961
  21. Daniel Finch, M.D.Temple, TX 765041649286089
  22. Michael Finch, M.D.Dallas, TX 752371104991991
  23. Caroline FinnertyDenton, TX 762101639828122
  24. Christopher Finnila, MDHouston, TX 770051306823869
  25. Mustafa Firoz, M.D.Wills Point, TX 751691720040686
  26. Francis Fischer, DORed Oak, TX 751541144804279
  27. Robert Fischer, M.D.Dallas, TX 752311407867591
  28. Robert Fischer, MBBSTyler, TX 757011386169761
  29. Jason Fish, MD, MSHSDallas, TX 753901225180680
  30. Emily Fisher, MDLockhart, TX 786441467778902
  31. Joslyn Fisher, MDHouston, TX 770301316028350
  32. Michielle Fisher, MDDallas, TX 752351548243538
  33. Barbara Fishman, MDSan Antonio, TX 782291881701878
  34. Brooke Fitch, DOTrophy Club, TX 762621689360885
  35. Andrew Fitzgerald, M.D.Frisco, TX 750341184667545
  36. Mary Fitzgerald, M.D.Texarkana, TX 755031730152000
  37. Stella Fitzgibbons, M.D.Houston, TX 770271013933456
  38. Thomas Fitzharris, MDDallas, TX 752381508891623
  39. Alcibiades Fleires Gutierrez, MDSugar Land, TX 774791265011555
  40. Shelby Flewellen, MDFort Worth, TX 761321588284111
  41. Alberto Flores, MDFort Worth, TX 761641770528010
  42. Ildefonzo Flores, M.D.Laredo, TX 780411205867595
  43. John Flores, MDLittle Elm, TX 750681568449593
  44. Michael Flores, MDDonna, TX 785371649289497
  45. Renee Flores, M.D.Houston, TX 770301972771483
  46. Serina Flores, M.D.San Antonio, TX 782291528058203
  47. Rebeca Flores Morales, MDAmarillo, TX 791061699767657
  48. Joseph Floresca, M.D.El Paso, TX 799301316053747
  49. Reginald FlorescaAbilene, TX 796011962089714
  50. Mark Florian, M.D.Bryan, TX 778021396768347

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.