Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WILLIAM C GILES MD
NPI 1720029747
Otolaryngology in Lexington, SC

Active since June 09, 2006PECOS EnrolledAccepts Medicare Assignment
99.32/100
CMS Quality Rating
157 CORLEY MILL RD, LEXINGTON, SC 29072(803) 256-2483(803) 779-4624 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About William C Giles Md NPPES

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

WILLIAM C GILES MD (NPI 1720029747) is an individual otolaryngology provider in Lexington, South Carolina, licensed in South Carolina (14112) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Prisma Health Richland Hospital, and maintains a secondary practice location in Columbia.

NPPES Registry Identity

NPI1720029747
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameWILLIAM C GILESCredential: MD
Location Address157 CORLEY MILL RDLexington, SC 29072-7600
Mailing Address300 E Mcbee Ave Fl 4, Ste 510Greenville, SC 29601-2842
Fax(803) 779-4624
Sole ProprietorNo
Medical School CMSUniversity Of South Carolina School Of MedicineGraduated 1983
Enumeration DateJune 9, 2006
Last NPPES UpdateAugust 12, 2026
NPPES CertifiedAugust 12, 2026
NPI 1720029747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License Licensed in SC · 14112
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
Also ListedOtolaryngology · Otolaryngology/Facial Plastic SurgeryTaxonomy 207YX0905X · License 14112 (SC)
157 CORLEY MILL RD, Lexington, SC 29072

Secondary Practice Location 1

Location 19 Richland Medical Park Dr, Ste 510Columbia, SC 29203-6859 · Phone (803) 256-2483 · Fax (803) 799-4624

Other Identifiers 3

OtherPA1382SC · Medicaid Ptan
Other620713SC · Select Health
Medicaid141126SC

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

William C Giles Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315113701
PECOS Enrollment IDI20120106000232
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
85 services56 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
46 services39 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
26 services26 patients
Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.1-30.0 sq cm 14061
This procedure involves repairing a wound on the eyelids, nose, ears, or lips by transferring skin from another part of the body. The size of the skin transferred will be between 10.1 to 30.0 square centimeters. It is performed to restore function and appearance.
23 services23 patients
Biopsy of related skin growth, first growth 11102
A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.
18 services12 patients
Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.5 cm or less 11310
This procedure involves the careful removal of a small skin growth on the face or related areas. A medical professional uses a special tool to gently shave off the growth, which is 0.5 cm or less. It's a common, safe procedure.
18 services12 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Prisma Health Richland Hospital

Acute Care Hospitals · Columbia, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420018
Location5 Medical ParkColumbia, SC 29203 · Richland County
Emergency services Birthing friendly

Prisma Health Baptist

Acute Care Hospitals · Columbia, SC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420086
Location1330 Taylor At Marion StColumbia, SC 29220 · Richland County
Emergency services Birthing friendly

Ut Health East Texas Athens Hospital

Acute Care Hospitals · Athens, TX
2/5 CMS rating
OwnershipProprietary
CMS Certification Number450389
Location2000 South Palestine StAthens, TX 75751 · Henderson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29072 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.32/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality90.59
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Appropriate Treatment for Children with Upper Respiratory Infection (URI)
Percentage of children 3 months-18 years of age who were diagnosed with upper respiratory infection (URI) and were not dispensed an antibiotic prescription on or three days after the episode
95%21 patients
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
88%267 patients3/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
41%193 patients2/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients tobacco: 94% · 47 patients
100%47 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 13

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

Audiologist
157 CORLEY MILL RD
LEXINGTON, SC 29072
Audiologist
157 CORLEY MILL RD
LEXINGTON, SC 29072
Otolaryngology
157 CORLEY MILL RD
LEXINGTON, SC 29072
Audiologist
157 CORLEY MILL RD
LEXINGTON, SC 29072
Physician Assistant (Medical)
157 CORLEY MILL RD
LEXINGTON, SC 29072
Otolaryngology
157 CORLEY MILL RD
LEXINGTON, SC 29072
Audiologist
157 CORLEY MILL RD
LEXINGTON, SC 29072
Audiologist
157 CORLEY MILL RD
LEXINGTON, SC 29072

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 Giles's NPI number?

The NPI number for William Giles is 1720029747. It was assigned to this individual provider in the NPPES registry on June 9, 2006.

Where is William Giles located?

William Giles practices at 157 Corley Mill Rd, Lexington, SC 29072. The listed phone number is (803) 256-2483.

What is William Giles's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is William Giles enrolled in Medicare?

Yes. William Giles is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Giles accept?

Health plans from BlueCross BlueShield of South Carolina, Molina Healthcare and UnitedHealthcare list William Giles as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Giles affiliated with any hospitals?

According to CMS data, William Giles is affiliated with Prisma Health Richland Hospital, Prisma Health Baptist and Ut Health East Texas Athens Hospital.

When was this NPI record last updated?

The NPPES record for William Giles was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.