William C. Giles, MD

NPI 1720029747ActiveIndividual· Otolaryngology· Lexington, SC

Otolaryngology (MD) in Lexington, South Carolina, trained at University of South Carolina School of Medicine (class of 1983). 147 Medicare patients in 2024, $68,109 paid; nearly all of their 286 Part D prescriptions were generic (99%). Genzyme Corporation was the largest of 4 companies reporting payments in 2025, $164.24 in all, mostly food and beverage.

Overview

NPI	1720029747
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jun 9, 2006
Last updated in NPPES	Aug 12, 2026
Certified by provider	Aug 12, 2026

Specialties and licenses

Taxonomy	Code	License	State
Otolaryngology Primary	207Y00000X	14112	SC
Otolaryngology, Otolaryngology/Facial Plastic Surgery	207YX0905X	14112	SC

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Otolaryngology (SC)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	147
Services billed	493 across 81 procedure codes
Paid by Medicare	$68,109

Part D prescriptions in 2024

Prescriptions (claims)	286 · 300 30-day fills
Patients	87
Total drug cost	$2,333
Generic share	99% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of South Carolina School of Medicine
Graduation year	1983
Medicare specialty	Otolaryngology
Secondary specialties	Plastic And Reconstructive Surgery