Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Tammye Mathews, N.D.

Naturopath in Chicago, IL · enumerated 2014.

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

National Provider Identifier

1427461474

Verified

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Registry record

Entity type Individual (Type 1)

Name Tammye Mathews

Credential N.D.

Sex Female

Practice address 6200 S Ingleside Ave, Unit 10b, Chicago, IL, 60637

Phone (312) 714-0449

Enumeration date Jun 7, 2014

Last updated in NPPES Jun 7, 2014

Taxonomy & licenses

175F00000X Naturopath Other Service Providers 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 Tammye Mathews?

The National Provider Identifier (NPI) for Tammye Mathews is 1427461474, a Type 1 (individual) record in the CMS NPPES registry.

Where does Tammye Mathews practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-06-07.