NPPES file of Aug 9, 2026

Surgical Oncology Physician in South Carolina

22 NPPES records list surgical oncology physician with a practice address in South Carolina, 0.4 per 100,000 residents, the 33rd highest rate of 50. Charleston and Columbia have the most; each record links to the provider's NPI and the South Carolina license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2086X0206X · method

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

Charleston has the most, 13

  1. Charleston13
  2. Columbia3
  3. Greenville3
  4. West Columbia2
  5. Spartanburg1

Surgical Oncology Physician records in South Carolina

  1. Andrea Abbott, MDCharleston, SC 294251245473354
  2. Alisa Blumenthaler, MDCharleston, SC 294251982124418
  3. Kevin Choong, M.D.Columbia, SC 292031295092302
  4. Nancy Demore, MDCharleston, SC 294251386738557
  5. Joy Done, MDCharleston, SC 294251639735079
  6. Bernardo Franssen Canovas, M.D.Charleston, SC 294031811251366
  7. Jennifer Gnerlich, M.D.West Columbia, SC 291691790872596
  8. Bernice HuangCharleston, SC 294251871980961
  9. Julian Kim, MDColumbia, SC 292031346268497
  10. Daniel Kirchoff, M.D.Charleston, SC 294031487989059
  11. Mark Lockett, M.D.Charleston, SC 294251467447359
  12. David Mahvi, MDCharleston, SC 294251033174651
  13. Brian McKinley, M.D.Greenville, SC 296151790731636
  14. Chukwuemeka Obiora, M.D.Columbia, SC 292031376702811
  15. Katherine Ostapoff, MDWest Columbia, SC 291691407056922
  16. Rochelle Ringer, M.D.Charleston, SC 294251982861373
  17. Mary Rippon, M.D.Greenville, SC 296051184674558
  18. Kevin Roggin, MDCharleston, SC 294251811004179
  19. Jeffrey SuttonCharleston, SC 294251730407800
  20. Alexander Thomas, M.D.Charleston, SC 294251245763242
  21. Steven Trocha, M.D.Greenville, SC 296051346280757
  22. Timothy Yeatman, MDSpartanburg, SC 293031356358840

Source: CMS NPPES, primary taxonomy 2086X0206X: records by practice city and the list of records, file of Aug 9, 2026.

South Carolina ranks 33 of 50 per resident

  1. Maine0.4
  2. North Carolina0.4
  3. Hawaii0.4
  4. South Carolina0.4
  5. Georgia0.4
  6. New Mexico0.4
  7. 50 states and D.C.0.6

Source: CMS NPPES, primary taxonomy 2086X0206X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

81.8% of these records appear in a Medicare file, against 82.9% 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. South Carolina81.8%
  2. United States82.9%

Surgical Oncology Physician records in South Carolina, measured

  • In a Medicare file18 of 22 · 81.8% here, 82.9% nationally
  • In the CMS Doctors and Clinicians file16 · 72.7% here, 75.5% nationally
  • Not updated in five years or more11 · 50.0% here, 49.5% nationally
  • Median graduation year2006 · the 16 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2086X0206X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

22 NPPES records list surgical oncology physician (2086X0206X) as their primary taxonomy with a practice address in South Carolina: 0.4 per 100,000 residents against 0.6 nationally (50 states and D.C.). Charleston has 13 of them (59%).

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. Indiana21
  2. Colorado27
  3. Louisiana27
  4. Alabama28

States with a similar rate per 100,000

  1. North Carolina0.4
  2. Georgia0.4
  3. Arizona0.4
  4. Washington0.4

The largest states

  1. California250
  2. New York209
  3. Texas206
  4. Florida138
  5. Pennsylvania92

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.