Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Donald Kleier, DMD

Endodontics in Westminster, CO · enumerated 2006.

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

National Provider Identifier

1013981919

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Registry record

Entity type Individual (Type 1)

Name Dr. Donald Kleier

Credential DMD

Sex Male

Practice address 5150 W 80th Ave, Westminster, CO, 80030

Phone (303) 427-1951

Fax (303) 657-3369

Enumeration date Feb 15, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223E0200X Endodontics Dental Providers · License 100872 (CO) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1013981919 active?

Yes, as of the latest NPPES snapshot, NPI 1013981919 is active (record last updated 2007-07-08).

How do I verify Donald Kleier's NPI record?

Cross-check NPI 1013981919 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.