Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Tracy L F Slater, APNP

Nurse Practitioner in Marinette, WI · enumerated 2006.

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

National Provider Identifier

1588771794

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Registry record

Entity type Individual (Type 1)

Name Ms. Tracy L F Slater

Credential APNP

Sex Female

Practice address 3003 University Dr, Marinette, WI, 54143

Phone (715) 735-4200

Enumeration date Aug 24, 2006

Last updated in NPPES Dec 27, 2023

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 142693-030 (WI) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 2176-033 (WI) Primary

Other identifiers

Identifier	Type	State	Issuer
43986400	Medicaid	WI	-

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 Tracy Slater?

Tracy Slater is registered in NPPES with the primary taxonomy of Nurse Practitioner. 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 2023-12-27.