Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Chen Wen Y

Eyewear Supplier in East Alton, IL · enumerated 2008 · authorized official Wen Chen, MD.

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

National Provider Identifier

1932378668

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Registry record

Entity type Organization (Type 2)

Legal business name Chen Wen Y

Practice address 200 W Main St, East Alton, IL, 62024

Phone (618) 259-0440

Enumeration date Feb 27, 2008

Last updated in NPPES Mar 14, 2008

Taxonomy & classification

332H00000X Eyewear Supplier Suppliers Primary

Authorized official

Name Wen Chen

Title MD

Phone (618) 259-0440

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 is Chen Wen Y located?

The practice location on file with NPPES is in East Alton, IL.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2008-03-14. Verify at npiregistry.cms.hhs.gov.

Providers at this address

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Wen Chen Ophthalmology Physician · East Alton, IL NPI 1255351961

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-14.