Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Donald G Guebert, D.M.D.

Dentist in Energy, IL · enumerated 2006.

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

National Provider Identifier

1285709543

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Registry record

Entity type Individual (Type 1)

Name Dr. Donald G Guebert

Credential D.M.D.

Sex Male

Practice address Energy, IL, 62933

Phone (618) 942-3733

Fax (618) 942-6000

Enumeration date Nov 22, 2006

Last updated in NPPES Jul 8, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

122300000X Dentist Dental Providers 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

Where does Donald Guebert practice?

The practice location on file with NPPES is in Energy, IL. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Donald Guebert?

The National Provider Identifier (NPI) for Donald Guebert is 1285709543, a Type 1 (individual) record in the CMS NPPES registry.

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