Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Karen Ashely Thummel, DDS

General Practice Dentistry in Colby, KS · enumerated 2007 · practices at Karen A Thummel DDS LLC.

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

National Provider Identifier

1366635690

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Registry record

Entity type Individual (Type 1)

Name Dr. Karen Ashely Thummel

Credential DDS

Sex Female

Practice address 480 W 4th St, Colby, KS, 67701

Phone (785) 460-6800

Enumeration date Aug 21, 2007

Last updated in NPPES Aug 21, 2007

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 7016 (KS) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS 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

What is the NPI number for Karen Thummel?

The National Provider Identifier (NPI) for Karen Thummel is 1366635690, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karen Thummel practice?

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

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Karen A Thummel DDS LLC General Practice Dentistry · Colby, KS NPI 1093819526

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-08-21.