Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Karen Marie Duczyminski, MSW

Clinical Social Worker in Traverse City, MI · enumerated 2006.

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

National Provider Identifier

1417035882

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Registry record

Entity type Individual (Type 1)

Name Ms. Karen Marie Duczyminski

Credential MSW

Sex Female

Practice address 105 Hall St, Traverse City, MI, 49684

Phone (231) 922-4850

Enumeration date Nov 1, 2006

Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 6801088053 (MI) Primary

Other identifiers

Identifier	Type	State	Issuer
1708146	Medicaid	MI	-

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

What is the NPI number for Karen Duczyminski?

The National Provider Identifier (NPI) for Karen Duczyminski is 1417035882, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karen Duczyminski practice?

The practice location on file with NPPES is in Traverse City, MI. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.