Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Scott A Clarke, O.D.

Optometrist in Charleston, IL · enumerated 2006 · practices at Central Illinois Vision Associates Ltd.

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

National Provider Identifier

1336209055

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Registry record

Entity type Individual (Type 1)

Name Dr. Scott A Clarke

Credential O.D.

Sex Male

Practice address 620 6th St, Charleston, IL, 61920

Phone (217) 348-0800

Fax (217) 348-0802

Enumeration date Dec 11, 2006

Last updated in NPPES Jul 31, 2020

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 046008347 (IL) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier	Type	State	Issuer
046008347	Medicaid	IL	-

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

Is NPI 1336209055 active?

Yes, as of the latest NPPES snapshot, NPI 1336209055 is active (record last updated 2020-07-31).

How do I verify Scott Clarke's NPI record?

Cross-check NPI 1336209055 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Central Illinois Vision Associates Ltd Optometrist · Charleston, IL NPI 1649418385

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-07-31.