Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Peter Mason, DDS

Dentist in Hart, MI · enumerated 2007.

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

National Provider Identifier

1184778649

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Registry record

Entity type Individual (Type 1)

Name Dr. Peter Mason

Credential DDS

Sex Male

Practice address 110 Dryden St, Hart, MI, 49420

Phone (231) 873-4025

Enumeration date Jan 22, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

122300000X Dentist Dental Providers · License 10981 (MI) 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

Is NPI 1184778649 active?

Yes — as of the latest NPPES snapshot, NPI 1184778649 is active (record last updated 2007-07-08).

How do I verify Peter Mason's NPI record?

Cross-check NPI 1184778649 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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