Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Katarzyna Ewa Dionne, DMD

Dentist in Plainfield, VT · enumerated 2013.

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

National Provider Identifier

1720426943

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Registry record

Entity type Individual (Type 1)

Name Dr. Katarzyna Ewa Dionne

Credential DMD

Sex Female

Practice address 157 Towne Ave, Plainfield, VT, 05667

Phone (802) 322-0702

Enumeration date Jun 10, 2013

Last updated in NPPES Jun 10, 2013

Taxonomy & licenses

122300000X Dentist Dental Providers · License 016.0095746 (VT) 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 1720426943 active?

Yes, as of the latest NPPES snapshot, NPI 1720426943 is active (record last updated 2013-06-10).

How do I verify Katarzyna Dionne's NPI record?

Cross-check NPI 1720426943 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 2013-06-10.