Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nathan Maresh, LAT

Athletic Trainer in Janesville, WI · enumerated 2008 · practices at Mercy Health System Corporation.

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

National Provider Identifier

1699926618

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Registry record

Entity type Individual (Type 1)

Name Nathan Maresh

Credential LAT

Sex Male

Practice address 557 N Washington St, Janesville, WI, 53548

Phone (608) 754-6000

Enumeration date Oct 8, 2008

Last updated in NPPES Oct 8, 2008

Taxonomy & licenses

2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 987-039 (WI) Primary

Other identifiers

Identifier	Type	State	Issuer
987-039	Other	WI	LICENSE

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 Nathan Maresh?

The National Provider Identifier (NPI) for Nathan Maresh is 1699926618, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nathan Maresh practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-10-08.