NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ann Duevel, LICSW, LADC

Clinical Social Worker in Roseville, MN · enumerated 2022.

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

National Provider Identifier

1821741406

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Registry record

Entity type Individual (Type 1)
Name Ann Duevel
Credential LICSW, LADC
Sex Female
Practice address Roseville, MN, 55113
Enumeration date Feb 2, 2022
Last updated in NPPES Jun 6, 2024

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 28158 (MN) Primary

Other identifiers

Identifier Type State Issuer
28158 Other MN LICENSE
304854 Other MN LICENSE

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

How do I verify Ann Duevel's NPI record?
Cross-check NPI 1821741406 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1821741406 active?
Yes, as of the latest NPPES snapshot, NPI 1821741406 is active (record last updated 2024-06-06).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-06.