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

Clive Alun Williams, CRNP

Nurse Practitioner in Chadds Ford, PA · enumerated 2019.

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

National Provider Identifier

1083262075

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Registry record

Entity type Individual (Type 1)

Name Clive Alun Williams

Credential CRNP

Sex Male

Practice address Chadds Ford, PA, 19317

Phone (610) 361-1060

Fax (610) 361-1055

Enumeration date Sep 3, 2019

Last updated in NPPES Jan 4, 2026

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

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License RN563072 (PA) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License SP021010 (PA) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License SP021010 (PA) Primary

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

Where does Clive Williams practice?

The practice location on file with NPPES is in Chadds Ford, PA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Clive Williams?

The National Provider Identifier (NPI) for Clive Williams is 1083262075, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-04.