NPPES file of Aug 9, 2026

William D. Plummer, MD

Internal Medicine Physician · Seneca, SC

William D. Plummer, MD is an internal medicine physician with a practice address in Seneca, South Carolina, and NPI 1376516799, issued on Feb 8, 2006. Check the license (South Carolina 20860, as entered in NPPES) on the South Carolina Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1376516799
Name
William D. Plummer
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
20860 SC
Self-reported in NPPES; status is on the state search
Practice location
501 Rochester Hwy, Seneca, SC 29672
Phone
(864) 886-0080
Enumerated
Feb 8, 2006
Record last updated
Jul 13, 2026
Medicaid ID
208607 SC
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 501 Rochester Hwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Irene Parker, MDGastroenterology Physician1366414997

Verify William D. Plummer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 20860
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

16 internal medicine physician records list a practice address in Seneca

They are 16 of the 697 NPPES records with a practice address in Seneca, and 1,881 internal medicine physician records in South Carolina. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other internal medicine physician records in South Carolina

  1. Sheharyar Abbasi, DOMyrtle Beach, SC1619617222
  2. John Abbott, M.D.Sumter, SC1093830762
  3. Amjad Abdulrahman, MDIrmo, SC1194718841
  4. Alvin Abinsay, M.D.Marion, SC1689608002
  5. Izabela Abissi, DOCharleston, SC1376387803
  6. Tinu Abraham, MDGreenwood, SC1194354399
  7. Natallia Abramovich, MDSeneca, SC1568647949
  8. Ibrahim Abu Dayah, MDMyrtle Beach, SC1306368667
  9. Lauren Abusal, MD, MSCRMyrtle Beach, SC1093552911
  10. John Adams, MDElgin, SC1750395570

Common questions

What is William D. Plummer, MD's NPI number?

William D. Plummer, MD's National Provider Identifier (NPI) is 1376516799, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William D. Plummer, MD located?

The NPPES record lists a practice address at 501 Rochester Hwy, Seneca, SC, 29672. Phone: (864) 886-0080. Providers update this record themselves, so call before visiting.

How can I verify William D. Plummer, MD's license?

NPPES lists South Carolina license number 20860, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it 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.