Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Michael W. Mathewson, D.D.S., P.C.

General Practice Dentistry in Dixon, IL · enumerated 2006 · authorized official Michael Mathewson, President.

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

National Provider Identifier

1215000229

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Registry record

Entity type Organization (Type 2)

Legal business name Michael W. Mathewson, D.D.S., P.C.

Practice address 215 E 2nd St, Dixon, IL, 61021

Phone (815) 284-2749

Enumeration date Nov 16, 2006

Last updated in NPPES May 12, 2015

Taxonomy & classification

1223G0001X General Practice Dentistry Dental Providers · License 019-017139 (IL) Primary

Authorized official

Name Michael Mathewson

Title President

Phone (815) 284-2749

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 type of organization is Michael W. Mathewson, D.D.S., P.C.?

Michael W. Mathewson, D.D.S., P.C. is registered in NPPES as a General Practice Dentistry (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

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Michael Mathewson Dentist · Dixon, IL NPI 1710099205

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-05-12.