Active NPI
William D Plummer, MD
- Internal Medicine Physician
- Seneca, SC
National Provider Identifier
1376516799
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 20860
- Practice address
- 501 Rochester Hwy
Suite D
Seneca, SC 29672-2463 - Phone
- (864) 886-0080
- NPI assigned
- Feb 8, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 20860 | SC | Primary |
Addresses
Primary practice location
501 Rochester Hwy
Suite D
Seneca, SC 29672-2463
Mailing address
501 Rochester Hwy
Suite D
Seneca, SC 29672-2463
Phone (864) 886-0080
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 208607 | Medicaid | SC |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Laurel Medical Group | Internal Medicine | Past | Accepting new patients |
| Oconee Medical Center | Past | Accepting new patients |
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- General Acute Care Hospital
- Seneca, SC
- NPI 1255367637
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1139356800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1376516799",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "501 ROCHESTER HWY",
"address_2": "SUITE D",
"city": "SENECA",
"state": "SC",
"postal_code": "296722463",
"telephone_number": "864-886-0080"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "501 ROCHESTER HWY",
"address_2": "SUITE D",
"city": "SENECA",
"state": "SC",
"postal_code": "296722463",
"telephone_number": "864-886-0080"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PLUMMER",
"first_name": "WILLIAM",
"middle_name": "D",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-02-08",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "SC",
"license": "20860",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "208607",
"state": "SC"
}
],
"endpoints": [],
"other_names": []
}Other providers in Seneca, SC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.