Deirdre Williams, DDS
NPI 1104978741 · Pediatric Dentistry · Charleston, SC
Enrolled with Medicare as Practitioner - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deirdre Williams, DDS is a Pediatric Dentistry provider in Charleston, SC (NPI 1104978741).
Provider details
- NPI number
- 1104978741
- Entity type
- Individual
- Primary specialty
- Pediatric DentistryDental Providers
- Credential
- DDS
- Sex
- Female
- Sole proprietor
- No
- License
- 3484 (SC)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-16
- Last updated
- 2019-08-28
Frequently asked questions
- What is Deirdre Williams's NPI number?
- Deirdre Williams's National Provider Identifier (NPI) is 1104978741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deirdre Williams's specialty?
- Deirdre Williams is listed in the NPPES registry with a primary specialty of Pediatric Dentistry (Dental Providers).
- Where is Deirdre Williams located?
- Deirdre Williams's practice location on file with NPPES is 171 Ashley Ave, Charleston, SC 29425-8965.
- What is Deirdre Williams's phone number?
- The practice phone number listed in the NPPES registry for Deirdre Williams is (843) 792-1414.
- Does Deirdre Williams accept Medicare?
- Deirdre Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deirdre Williams's NPI active?
- Yes — Deirdre Williams's NPI (1104978741) is active in the NPPES registry as of the last update on 2019-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.