Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William Simpson Sampson IV, PH.D.

Clinical Psychologist in Charlotte, NC · enumerated 2006.

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

National Provider Identifier

1629025655

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Registry record

Entity type Individual (Type 1)

Name Dr. William Simpson Sampson IV

Credential PH.D.

Sex Male

Practice address 10130 Perimeter Pkwy, Ste 200, Charlotte, NC, 28216

Phone (888) 849-7379

Fax (855) 857-7333

Enumeration date May 27, 2006

Last updated in NPPES Feb 10, 2017

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 2960 (NC) Primary

103T00000X Psychologist Behavioral Health & Social Service Providers Secondary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Other identifiers

Identifier	Type	State	Issuer
6001297	Medicaid	NC	-

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

Is NPI 1629025655 active?

Yes, as of the latest NPPES snapshot, NPI 1629025655 is active (record last updated 2017-02-10).

How do I verify William Sampson's NPI record?

Cross-check NPI 1629025655 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-02-10.