Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Chad Gardner, MSW

Q: What is the NPI number for Chad Gardner?

The National Provider Identifier (NPI) for Chad Gardner is 1538559984, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Social Worker in Oshkosh, WI · enumerated 2015.

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

National Provider Identifier

1538559984

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Registry record

Entity type Individual (Type 1)

Name Chad Gardner

Credential MSW

Sex Male

Practice address 1173 S Washburn St, Suite H, Oshkosh, WI, 54904

Phone (920) 385-1420

Fax (920) 519-0063

Enumeration date Jan 23, 2015

Last updated in NPPES Jan 23, 2015

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 128713-121 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Chad Gardner?

The National Provider Identifier (NPI) for Chad Gardner is 1538559984, a Type 1 (individual) record in the CMS NPPES registry.

Where does Chad Gardner practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-01-23.