NPPES file of Aug 9, 2026

Radiation Oncology Physician in Louisiana

66 NPPES records list radiation oncology physician with a practice address in Louisiana, 1.4 per 100,000 residents, the 45th highest rate of 51. Baton Rouge and Shreveport have the most; each record links to the provider's NPI and the Louisiana license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2085R0001X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Baton Rouge has the most, 15

  1. Baton Rouge15
  2. Shreveport11
  3. Lafayette10
  4. New Orleans10
  5. Alexandria4

Radiation Oncology Physician records in Louisiana

  1. Perri Prellop, M.D.Lafayette, LA 705081508808981
  2. Troy Richards, MDShreveport, LA 711031386671584
  3. Lane Rosen, M.D.Shreveport, LA 711031831119197
  4. James Russo, M.D.Lafayette, LA 705081376700591
  5. Sanat Sanghani, M.D.Alexandria, LA 713011386704955
  6. Troy Scroggins, MDNew Orleans, LA 701211811934219
  7. Clayton Smith, M.D., PH.D.New Orleans, LA 701211417249418
  8. Robert Swanton, MDSlidell, LA 704581144285396
  9. Jonathan Thompson, MDLafayette, LA 705081588956593
  10. Jill VincentNew Orleans, LA 701121730488974
  11. Chiachien Wang, MDShreveport, LA 711031457615395
  12. Jingya Wang, M.D.Baton Rouge, LA 708091174765192
  13. Cyrus WashingtonJefferson, LA 701211760010920
  14. Stephen Wilt, M.D., PH.D.Lafayette, LA 705081528082443
  15. Charles Wood, MDBaton Rouge, LA 708091740346543
  16. Ellen Zakris, MDNew Orleans, LA 701151760445522

Source: CMS NPPES, primary taxonomy 2085R0001X: records by practice city and the list of records, file of Aug 9, 2026.

Louisiana ranks 45 of 51 per resident

  1. Alabama1.6
  2. South Carolina1.5
  3. Texas1.5
  4. Louisiana1.4
  5. Nevada1.4
  6. Mississippi1.4
  7. 50 states and D.C.2.1

Source: CMS NPPES, primary taxonomy 2085R0001X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

83.3% of these records appear in a Medicare file, against 82.3% 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. Louisiana83.3%
  2. United States82.3%

Radiation Oncology Physician records in Louisiana, measured

  • In a Medicare file55 of 66 · 83.3% here, 82.3% nationally
  • In the CMS Doctors and Clinicians file49 · 74.2% here, 74.0% nationally
  • Not updated in five years or more39 · 59.1% here, 54.6% nationally
  • Median graduation year2008 · the 49 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2085R0001X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

66 NPPES records list radiation oncology physician (2085R0001X) as their primary taxonomy with a practice address in Louisiana: 1.4 per 100,000 residents against 2.1 nationally (50 states and D.C.). Baton Rouge has 15 of them (23%).

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. Iowa67
  2. Kansas68
  3. Utah62
  4. Oklahoma56

States with a similar rate per 100,000

  1. Texas1.5
  2. Nevada1.4
  3. South Carolina1.5
  4. Mississippi1.4

The largest states

  1. California735
  2. Florida520
  3. New York449
  4. Texas449
  5. Pennsylvania383

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.