NPPES file of Aug 9, 2026

Allergy Physician in South Carolina

12 NPPES records list allergy physician with a practice address in South Carolina, 0.2 per 100,000 residents, the 26th highest rate of 49. Greenville and Charleston 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 207KA0200X · method

Allergy Physician records in South Carolina

  1. James Atkison, MDSumter, SC 291501336148113
  2. Salvatore Casella, M.D.Hilton Head, SC 299281932375854
  3. Candace Cothran, PAGreenville, SC 296071679574370
  4. Shanna Cowan, MS PACGreenville, SC 296071154317097
  5. Neil Kao, MDGreenville, SC 296071720089477
  6. Fred Leffert, M.D.Greenville, SC 296011073691580
  7. Angelina Lombardi, M.D.Greenville, SC 296071487645107
  8. Marvin Portner, M.D.Mount Pleasant, SC 294661356366793
  9. Emmanuel Sarmiento, MDGreenville, SC 296071396747390
  10. Mark Schecker, M.D.Myrtle Beach, SC 295881023014057
  11. William Weirs, MDNorth Charleston, SC 294201235174012
  12. Ari Zelig, M.D.Charleston, SC 294141740555952

Source: CMS NPPES, primary taxonomy 207KA0200X: records by practice city and the list of records, file of Aug 9, 2026.

South Carolina ranks 26 of 49 per resident

  1. Oregon0.2
  2. Utah0.2
  3. Washington0.2
  4. South Carolina0.2
  5. Kentucky0.2
  6. Alabama0.2
  7. 50 states and D.C.0.3

Source: CMS NPPES, primary taxonomy 207KA0200X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

75.0% of these records appear in a Medicare file, against 68.7% 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. South Carolina75.0%
  2. United States68.7%

Allergy Physician records in South Carolina, measured

  • In a Medicare file9 of 12 · 75.0% here, 68.7% nationally
  • In the CMS Doctors and Clinicians file5 · 41.7% here, 53.4% nationally
  • Not updated in five years or more7 · 58.3% here, 67.9% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207KA0200X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

12 NPPES records list allergy physician (207KA0200X) as their primary taxonomy with a practice address in South Carolina: 0.2 per 100,000 residents against 0.3 nationally (50 states and D.C.). Greenville has 6 of them (50%).

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. Colorado12
  2. Alabama11
  3. Arizona11
  4. Indiana11

States with a similar rate per 100,000

  1. Kentucky0.2
  2. Washington0.2
  3. Tennessee0.2
  4. Oregon0.2

The largest states

  1. California157
  2. New York109
  3. Texas76
  4. Florida66
  5. Illinois56

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.