NPPES file of Aug 9, 2026

Hematology (Internal Medicine) Physician in Texas

73 NPPES records list hematology (internal medicine) physician with a practice address in Texas, 0.2 per 100,000 residents, the 32nd highest rate of 48. Houston and San Antonio have the most; each record links to the provider's NPI and the Texas license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RH0000X · method

Houston has the most, 46

Hematology (Internal Medicine) Physician records in Texas

  1. Ethan Natelson, M.D.Houston, TX 770301417921032
  2. Alecia Nero, M.D.Dallas, TX 753901003097221
  3. Shalewa Oki, FNPHouston, TX 770301851820658
  4. Vanessa Ortiz, MDDallas, TX 752301407813991
  5. Oren Pasvolsky, MDHouston, TX 770301972262004
  6. Sunil Patel, M.D.Houston, TX 770251679666473
  7. Jenny Petkova, MDHouston, TX 770301447202122
  8. Uday Popat, M.D.Houston, TX 770301609971266
  9. Jean-Antoine Ribeil, MD, PHDDallas, TX 753901629684675
  10. Lawrence Rice, M.D.Houston, TX 770301588758510
  11. Guillaume Richard-Carpentier, MDHouston, TX 770301447737739
  12. Shirley Riggs, M.D.Houston, TX 770301649332255
  13. Navid Sadeghi, MD, MS, FACPDallas, TX 753901659578979
  14. Ameen Salahudeen, M.D.Dallas, TX 752351578853743
  15. Asha Samuel, MDHumble, TX 773381316913668
  16. Robyn Scherber, MD, MPHSan Antonio, TX 782291376808428
  17. Audrey Scholoff, NPHouston, TX 770301942653100
  18. Jayastu Senapati, MD, DMHouston, TX 770301164199469
  19. Montaser Shaheen, M.D.San Antonio, TX 782291801860168
  20. Mary Ann Skiba, D.O.Fort Worth, TX 761041093765596
  21. Portia Smallbone, MDHouston, TX 770301093415796
  22. Senthil Sukumar, M.D.Houston, TX 770301356737563
  23. Jing Ye, MDHouston, TX 770301790911196

Source: CMS NPPES, primary taxonomy 207RH0000X: records by practice city and the list of records, file of Aug 9, 2026.

Texas ranks 32 of 48 per resident

  1. Georgia0.3
  2. Nebraska0.3
  3. Virginia0.2
  4. Texas0.2
  5. Mississippi0.2
  6. Indiana0.2
  7. 50 states and D.C.0.4

Source: CMS NPPES, primary taxonomy 207RH0000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

87.7% of these records appear in a Medicare file, against 80.5% 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. Texas87.7%
  2. United States80.5%

Hematology (Internal Medicine) Physician records in Texas, measured

  • In a Medicare file64 of 73 · 87.7% here, 80.5% nationally
  • In the CMS Doctors and Clinicians file56 · 76.7% here, 70.8% nationally
  • Not updated in five years or more29 · 39.7% here, 46.9% nationally
  • Median graduation year2002 · the 56 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RH0000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

73 NPPES records list hematology (internal medicine) physician (207RH0000X) as their primary taxonomy with a practice address in Texas: 0.2 per 100,000 residents against 0.4 nationally (50 states and D.C.). Houston has 46 of them (63%).

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. North Carolina72
  2. Florida67
  3. Pennsylvania67
  4. Michigan57

States with a similar rate per 100,000

  1. Virginia0.2
  2. Indiana0.2
  3. Georgia0.3
  4. Kentucky0.3

The largest states

  1. California175
  2. New York161
  3. Minnesota128
  4. Massachusetts117
  5. Ohio89

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.