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

Mr. Matthew Ryan Cook, A.T.C., L.A.T.

Q: What is the NPI number for Matthew Cook?

The National Provider Identifier (NPI) for Matthew Cook is 1588603831, a Type 1 (individual) record in the CMS NPPES registry.

Athletic Trainer in Amherst, MA · enumerated 2006.

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

National Provider Identifier

1588603831

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Registry record

Entity type Individual (Type 1)

Name Mr. Matthew Ryan Cook

Credential A.T.C., L.A.T.

Sex Male

Practice address Amherst, MA, 01002

Phone (413) 542-5303

Fax (413) 542-8187

Enumeration date Jun 5, 2006

Last updated in NPPES Apr 6, 2009

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

Taxonomy & licenses

2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 1671 (MA) 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 Matthew Cook practice?

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

What is the NPI number for Matthew Cook?

The National Provider Identifier (NPI) for Matthew Cook is 1588603831, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-04-06.