NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Gwinn Chiropractic Center

Chiropractor in Belleville, IL · enumerated 2010 · authorized official Megan Gwinn, Dr. Megan Gwinn.

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

National Provider Identifier

1720391774

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Gwinn Chiropractic Center
Practice address 4401 W Main St, Belleville, IL, 62226
Fax (618) 277-6278
Enumeration date Jul 20, 2010
Last updated in NPPES Jul 20, 2010

Taxonomy & classification

111N00000X Chiropractor Chiropractic Providers · License 038011729 (IL) Primary

Authorized official

Name Megan Gwinn
Title Dr. Megan Gwinn

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 Gwinn Chiropractic Center?
The NPI for Gwinn Chiropractic Center is 1720391774, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Gwinn Chiropractic Center?
NPPES lists Megan Gwinn (Dr. Megan Gwinn) as the authorized official for this organization.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-07-20.