Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Bart David Williams III, MD, DMD

Oral and Maxillofacial Surgery (Dentist) in Greenville, SC · enumerated 2005 · practices at Carolina Oral & Facial Surgery, P.A..

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1962401422

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Registry record

Entity type Individual (Type 1)

Name Dr. Bart David Williams III

Credential MD, DMD

Sex Male

Practice address Greenville, SC, 29615

Phone (864) 458-9800

Fax (864) 458-9860

Enumeration date Jul 18, 2005

Last updated in NPPES Jul 26, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1223S0112X Oral and Maxillofacial Surgery (Dentist) Dental Providers · License 3585 (SC) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
ZX3585	Medicaid	SC	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Bart Williams?

Bart Williams is registered in NPPES with the primary taxonomy of Oral and Maxillofacial Surgery (Dentist). The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

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Carolina Oral & Facial Surgery, P.A. Oral and Maxillofacial Surgery (Dentist) · Greenville, SC NPI 1639232184

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-07-26.