DR. DEIRDRE SAMS WILLIAMS DDS
NPI 1104978741
Dentist - Pediatric Dentistry in Charleston, SC

Active since January 16, 2007PECOS Enrolled
171 ASHLEY AVE, CHARLESTON, SC 29425(843) 792-1414 Get Directions Write a Review

NPPES record last updated: August 28, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Deirdre Sams Williams Dds NPPES

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

DR. DEIRDRE SAMS WILLIAMS DDS (NPI 1104978741) is an individual pediatric dentistry provider in Charleston, South Carolina, licensed in South Carolina (3484) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104978741
Entity TypeIndividualFemale
Primary Taxonomy1223P0221X
Provider Legal NameDR. DEIRDRE SAMS WILLIAMSCredential: DDS
Location Address171 ASHLEY AVECharleston, SC 29425-8965
Mailing AddressPo Box 751461Charlotte, NC 28275-1461 · (843) 792-6200
Sole ProprietorNo
Enumeration DateJanuary 16, 2007
Last NPPES UpdateAugust 28, 2019
NPI 1104978741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · Pediatric DentistryDental Providers
Taxonomy Code1223P0221X
License Licensed in SC · 3484
Definition
An age-defined specialty that provides both primary and comprehensive preventive and therapeutic oral health care for infants and children through adolescence, including those with special health care needs.
171 ASHLEY AVE, Charleston, SC 29425

Other Identifiers 1

MedicaidZ34847SC

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 (PECOS)

Dr. Deirdre Sams Williams Dds is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29425 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
$83.18 typical visit price
range $53.57 – $163.84
Typical copayment $20.79 (range $13.39 – $40.96)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 20

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

Allergy & Immunology
171 ASHLEY AVE
CHARLESTON, SC 29425
Nurse Anesthetist, Certified Registered
171 ASHLEY AVE
CHARLESTON, SC 29425
Pathology (Anatomic Pathology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Ophthalmology
171 ASHLEY AVE
CHARLESTON, SC 29425
Social Worker
171 ASHLEY AVE
CHARLESTON, SC 29425
Radiology (Pediatric Radiology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Nurse Practitioner
171 ASHLEY AVE
CHARLESTON, SC 29425
Ophthalmology
171 ASHLEY AVE
CHARLESTON, SC 29425

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 Deirdre Williams's NPI number?

The NPI number for Deirdre Williams is 1104978741. It was assigned to this individual provider in the NPPES registry on January 16, 2007.

Where is Deirdre Williams located?

Deirdre Williams practices at 171 Ashley Ave, Charleston, SC 29425. The listed phone number is (843) 792-1414.

What is Deirdre Williams's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Pediatric Dentistry, with taxonomy code 1223P0221X.

Is Deirdre Williams enrolled in Medicare?

Yes. Deirdre Williams is registered in the Medicare PECOS enrollment system.

What insurance does Deirdre Williams accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and BlueCross BlueShield of South Carolina and 1 other insurer list Deirdre Williams 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.

When was this NPI record last updated?

The NPPES record for Deirdre Williams was last updated on August 28, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.