NPPES file of Aug 9, 2026

Emergency Medicine Physician in Texas

4,885 NPPES records list emergency medicine physician with a practice address in Texas, 16 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 66 of 98.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207P00000X · 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, 818

  1. Houston818
  2. Dallas512
  3. San Antonio400
  4. Austin263
  5. Fort Worth220

Emergency Medicine Physician records in Texas

  1. Kevin Oliver, M.D.Temple, TX 765081487001962
  2. Michael Oliver, MDAustin, TX 787011437893708
  3. Thomas Olmsted, DODenton, TX 762101376769026
  4. David Olson, M.D.Kingwood, TX 773451194749432
  5. Jide Oluwadare, MDHouston, TX 770301891480539
  6. Jackson Ombaba, M.D.El Paso, TX 799051285731521
  7. Katherine Oneil, DOSouthlake, TX 760921477133114
  8. Nancy Onisko, D.O.Dallas, TX 753901104025337
  9. Adaeze Onyechi, MDHouston, TX 770301316680127
  10. Nkeiruka Onyenekwu, M.D.San Antonio, TX 782291871739722
  11. Carsten Opris, MDTemple, TX 765081386348852
  12. Cynthia Orantes, MDHouston, TX 770301083078927
  13. Jacob Orchard, MDDallas, TX 753901740713122
  14. Edgardo Ordonez, M.D.Houston, TX 770301952578858
  15. Charles Orr, MDKingwood, TX 773391942889530
  16. Scott Orr, MDFort Sam Houston, TX 782341134110372
  17. Joshua Orrell, M.D.Austin, TX 787351841453503
  18. Shannon Orsak, M.D.Sugar Land, TX 774791144241928
  19. Carlos Ortiz, M.D.El Paso, TX 799051801152525
  20. Christopher Ortiz, M.D.Temple, TX 765081982847091
  21. Daniela Ortiz, MDHouston, TX 770301043707045
  22. Santos Ortiz Comas, MD, MPHHouston, TX 770301063075265
  23. Fabiana Ortiz-Figueroa, M.D.San Antonio, TX 782291871854745
  24. Eddie Ortiz-Galloza, MDArlington, TX 760151255869939
  25. William OsaeSan Angelo, TX 769031740984285
  26. Ali Osman, MDBeaumont, TX 777011194842476
  27. Abiola OsoHouston, TX 770301114423225
  28. Alonso Osorio-Giraldo, MDTyler, TX 757011639154446
  29. Daniel Ostermayer, M.D.Houston, TX 770301629361514
  30. Brandon Oswald, MDFort Hood, TX 765441023698594
  31. Jorge Otero Delgado, MDSan Antonio, TX 782291518318732
  32. Gurdeep Othee, M.D.Houston, TX 770551548219165
  33. Babatunde Otinwa, D.O.Houston, TX 770401679744676
  34. Michael Ott, M.D.Houston, TX 770081295750545
  35. Stacie Otten, MDAustin, TX 787051639129380
  36. Laurie Otto, MDPlano, TX 750931689848061
  37. Derek Ou, M.D.Austin, TX 787011053678318
  38. Carri Oubre, M.D.San Antonio, TX 782311740714732
  39. Michael OubreDallas, TX 752351720344161
  40. Andrew Outlaw, MDRound Rock, TX 786651730617788
  41. Da Ouyang, M.D.Dallas, TX 752351548551294
  42. Sarah Ouzounian Sidhu, APRNThe Woodlands, TX 773811285435925
  43. Sterling Overstreet, M.D.Lubbock, TX 794151336407501
  44. Charles Owen, MDAustin, TX 787311093767436
  45. Glenn Owen, MDDallas, TX 752311568404739
  46. Heather Owen, MDDallas, TX 752351235330556
  47. Parker Owen, DOArlington, TX 760151598402208
  48. Kristin Owens, MDHouston, TX 770241205062262
  49. Michael Owens, M.D.Texarkana, TX 755031396195830
  50. Richard Owens, MDHouston, TX 770241518193408

Source: CMS NPPES, primary taxonomy 207P00000X: records by practice city and the list of records, file of Aug 9, 2026.

Texas ranks 42 of 51 per resident

  1. Mississippi18
  2. Tennessee16
  3. North Dakota16
  4. Texas16
  5. Iowa16
  6. Idaho16
  7. 50 states and D.C.21

Source: CMS NPPES, primary taxonomy 207P00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

83.1% of these records appear in a Medicare file, against 81.5% 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. Texas83.1%
  2. United States81.5%

Emergency Medicine Physician records in Texas, measured

  • In a Medicare file4,059 of 4,885 · 83.1% here, 81.5% nationally
  • In the CMS Doctors and Clinicians file2,780 · 56.9% here, 58.7% nationally
  • Not updated in five years or more2,674 · 54.7% here, 54.8% nationally
  • Median graduation year2013 · the 2,779 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207P00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

4,885 NPPES records list emergency medicine physician (207P00000X) as their primary taxonomy with a practice address in Texas: 16 per 100,000 residents against 21 nationally (50 states and D.C.). Houston has 818 of them (17%).

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 York5,025
  2. Florida4,034
  3. Pennsylvania3,911
  4. Illinois3,291

States with a similar rate per 100,000

  1. North Dakota16.1
  2. Iowa15.9
  3. Idaho15.8
  4. Kansas15.6

The largest states

  1. California7,751
  2. New York5,025
  3. Florida4,034
  4. Pennsylvania3,911
  5. Illinois3,291

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.