Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sarah Hoffmann, ADT, RDH

Dental Therapist in Minneapolis, MN · enumerated 2025 · practices at Childrens Dental Services Inc.

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

National Provider Identifier

1396621421

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Registry record

Entity type Individual (Type 1)

Name Sarah Hoffmann

Credential ADT, RDH

Sex Female

Practice address 636 Broadway St Ne, Minneapolis, MN, 55413

Phone (612) 746-1530

Enumeration date Aug 13, 2025

Last updated in NPPES Aug 13, 2025

Taxonomy & licenses

124Q00000X Dental Hygienist Dental Providers · License H11736 (MN) Secondary

125J00000X Dental Therapist Dental Providers · License DT187 (MN) Primary

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 1396621421 active?

Yes, as of the latest NPPES snapshot, NPI 1396621421 is active (record last updated 2025-08-13).

How do I verify Sarah Hoffmann's NPI record?

Cross-check NPI 1396621421 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 2025-08-13.