Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Optometric Associates of Warren County PC

Optometrist in Norwalk, IA · enumerated 2006 · authorized official Craig Winjum, President.

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

National Provider Identifier

1962453779

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Registry record

Entity type Organization (Type 2)

Legal business name Optometric Associates of Warren County PC

Practice address 1228 Sunset Dr, Ste A, Norwalk, IA, 50211

Phone (515) 981-0224

Fax (515) 981-5389

Enumeration date May 15, 2006

Last updated in NPPES Feb 4, 2014

Taxonomy & classification

152W00000X Optometrist Eye and Vision Services Providers Primary

Authorized official

Name Craig Winjum

Title President

Phone (515) 961-5305

Other identifiers

Identifier	Type	State	Issuer
0118950	Medicaid	IA	-

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.

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Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2014-02-04. Verify at npiregistry.cms.hhs.gov.

Where is Optometric Associates of Warren County PC located?

The practice location on file with NPPES is in Norwalk, IA.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-02-04.