NPI Portal NPI Lookup & Verification

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

William Burwick Cox Jr., DMD

Dentist in Surfside Beach, SC · enumerated 2008.

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

National Provider Identifier

1255598645

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Registry record

Entity type Individual (Type 1)
Name William Burwick Cox Jr.
Credential DMD
Sex Male
Practice address Surfside Beach, SC, 29575
Phone (843) 238-5645
Fax (843) 238-5646
Enumeration date May 22, 2008
Last updated in NPPES May 22, 2008

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

Taxonomy & licenses

122300000X Dentist Dental Providers · License 2019 (SC) Primary
DMD — Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

Other identifiers

Identifier Type State Issuer
570720266 Other SC FEDERAL TAX IDENTIFICATION NUMBER

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.

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Frequently asked questions

Where does William Cox practice?
The practice location on file with NPPES is in Surfside Beach, SC. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for William Cox?
The National Provider Identifier (NPI) for William Cox is 1255598645, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-22.