NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Alexander, OD

Optometrist in Hartsville, SC · enumerated 2006.

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

National Provider Identifier

1114931854

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name William Alexander
Credential OD
Sex Male
Practice address 504 S 4th St, Hartsville, SC, 29550
Phone (843) 332-7171
Fax (843) 332-7802
Enumeration date Jul 28, 2006
Last updated in NPPES Apr 15, 2026

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 1422 (SC) Primary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier Type State Issuer
D14223 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 William Alexander?
William Alexander is registered in NPPES with the primary taxonomy of Optometrist. 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

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-15.