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WILLIAM M. CALLAHAN, DDS, PC
NPI 1346473683
Clinic/Center - Dental in Westminster, SC

Active since September 03, 2009
104 W OAK HWY, WESTMINSTER, SC 29693(864) 647-9000(864) 647-7873 Get Directions Write a Review

NPPES record last updated: September 3, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About William M. Callahan, Dds, Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM M. CALLAHAN, DDS, PC (NPI 1346473683) is a healthcare organization registered as a dental in Westminster, South Carolina and active in the NPI registry since September 2009. The organization lists Debbie Smith, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1346473683
Entity TypeOrganization
Primary Taxonomy261QD0000X
Legal Business NameWILLIAM M. CALLAHAN, DDS, PC
Location Address104 W OAK HWYWestminster, SC 29693-2226
Mailing Address104 W Oak HwyWestminster, SC 29693-2226 · (864) 647-9000 · Fax (864) 647-7873
Phone(864) 647-9000
Fax(864) 647-7873
Organization SubpartNo
Authorized OfficialDebbie SmithOffice Manager · (864) 647-9000
Enumeration DateSeptember 3, 2009
✔ NPI 1346473683 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · DentalAmbulatory Health Care Facilities
Taxonomy Code261QD0000X
License✔ Licensed in SC · 4167
104 W OAK HWY, Westminster, SC 29693
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Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMBASSADOR PRACTICE MANAGEMENT, LLC
Clinic/Center (Dental)
104 W OAK HWY
WESTMINSTER, SC 29693
Oconee County (864) 647-9000
DR. RAYMOND S TRUDEAU DMD
Dentist (General Practice)
104 W OAK HWY
WESTMINSTER, SC 29693
Oconee County (864) 647-9000
EAST END DENTAL CLINIC, PC
Dentist (General Practice)
104 W OAK HWY
WESTMINSTER, SC 29693
Oconee County (864) 647-9000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William M. Callahan, Dds, PC's NPI number?

The NPI number for William M. Callahan, Dds, PC is 1346473683. It was assigned to this organization in the NPPES registry on September 3, 2009.

Where is William M. Callahan, Dds, PC located?

William M. Callahan, Dds, PC is located at 104 W Oak Hwy, Westminster, SC 29693. The listed phone number is (864) 647-9000.

What is William M. Callahan, Dds, PC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Dental, with taxonomy code 261QD0000X.

When was this NPI record last updated?

The NPPES record for William M. Callahan, Dds, PC was last updated on September 3, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.