NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Lieber Vision Center P.C.

Optometrist in Alton, IL · enumerated 2016 · authorized official James Lieber, Owner/Doctor of Optometry.

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

National Provider Identifier

1619339447

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Lieber Vision Center P.C.
Practice address 401 Henry St, Alton, IL, 62002
Enumeration date Mar 22, 2016
Last updated in NPPES Mar 22, 2016

Taxonomy & classification

152W00000X Optometrist Eye and Vision Services Providers · License 046007478 (IL) Primary

Authorized official

Name James Lieber
Title Owner/Doctor of Optometry

Other identifiers

Identifier Type State Issuer
400270955 Other IL PTAN

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

Who is the authorized official for Lieber Vision Center P.C.?
NPPES lists James Lieber (Owner/Doctor of Optometry) as the authorized official for this organization.
What is the NPI number for Lieber Vision Center P.C.?
The NPI for Lieber Vision Center P.C. is 1619339447, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-22.