Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark E Duke, DMD

Dentist in Priest River, ID · enumerated 2006 · practices at Intermountain Dental, PC.

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

National Provider Identifier

1538246301

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Registry record

Entity type Individual (Type 1)

Name Mark E Duke

Credential DMD

Sex Male

Practice address 103 Main St, Priest River, ID, 83856

Phone (208) 442-1241

Fax (208) 448-1242

Enumeration date Nov 1, 2006

Last updated in NPPES Mar 3, 2021

Taxonomy & licenses

122300000X Dentist Dental Providers · License D3968 (ID) 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 1538246301 active?

Yes, as of the latest NPPES snapshot, NPI 1538246301 is active (record last updated 2021-03-03).

How do I verify Mark Duke's NPI record?

Cross-check NPI 1538246301 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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Intermountain Dental, PC Dental Clinic/Center · Priest River, ID NPI 1184217168

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-03-03.