Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christopher John Williams, APNP, ACNPC-AG

Nurse Practitioner in Neenah, WI · enumerated 2023 · practices at The Neuroscience Group of Northeast Wisconsin, Sc.

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

National Provider Identifier

1972388189

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Registry record

Entity type Individual (Type 1)

Name Christopher John Williams

Credential APNP, ACNPC-AG

Sex Male

Practice address 1305 W American Dr, Neenah, WI, 54956

Phone (920) 725-9373

Enumeration date Aug 28, 2023

Last updated in NPPES Dec 12, 2023

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 14831 (WI) 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.

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Frequently asked questions

Where does Christopher Williams practice?

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

What is the NPI number for Christopher Williams?

The National Provider Identifier (NPI) for Christopher Williams is 1972388189, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-12.