Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christopher Klein, DMD,M.S.

Orthodontics and Dentofacial Orthopedics Dentistry in Mount Vernon, IL · enumerated 2014 · practices at Klein Orthodontics LLC.

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

National Provider Identifier

1821413352

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Registry record

Entity type Individual (Type 1)

Name Christopher Klein

Credential DMD,M.S.

Sex Male

Practice address 4210 Lincolnshire Dr, Mount Vernon, IL, 62864

Phone (618) 244-7747

Enumeration date Feb 20, 2014

Last updated in NPPES Feb 20, 2014

Taxonomy & licenses

1223X0400X Orthodontics and Dentofacial Orthopedics Dentistry Dental Providers · License 019019299 (IL) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

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 do I verify Christopher Klein's NPI record?

Cross-check NPI 1821413352 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1821413352 active?

Yes, as of the latest NPPES snapshot, NPI 1821413352 is active (record last updated 2014-02-20).

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Klein Orthodontics LLC Orthodontics and Dentofacial Orthopedics Dentistry · Mount Vernon, IL NPI 1083042469

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-02-20.