Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Miss Sarah Catherine Williamson, D.M.D.

Dentist in Charlotte, NC · enumerated 2009.

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

National Provider Identifier

1912230236

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Registry record

Entity type Individual (Type 1)

Name Miss Sarah Catherine Williamson

Credential D.M.D.

Sex Female

Practice address 4901 N Tryon St, Suite A, Charlotte, NC, 28213

Phone (704) 921-0204

Fax (704) 921-4095

Enumeration date Sep 18, 2009

Last updated in NPPES May 21, 2013

Taxonomy & licenses

122300000X Dentist Dental Providers · License 5710 (AL) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

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 Sarah Williamson?

Sarah Williamson is registered in NPPES with the primary taxonomy of 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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-05-21.