Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sophie Tomsky, MSW LICSW

Clinical Social Worker in Duluth, MN · enumerated 2025.

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

National Provider Identifier

1649147018

Verified

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Registry record

Entity type Individual (Type 1)

Name Sophie Tomsky

Credential MSW LICSW

Sex Female

Practice address 1003 E Central Entrance, Duluth, MN, 55811

Phone (218) 208-0019

Enumeration date Oct 21, 2025

Last updated in NPPES Oct 21, 2025

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 32342 (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

What is the NPI number for Sophie Tomsky?

The National Provider Identifier (NPI) for Sophie Tomsky is 1649147018, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sophie Tomsky practice?

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

Other providers at this practice address

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Natalie Johnson Psychiatric/Mental Health Nurse Practitioner · Duluth, MN NPI 1174763528 Dr Angela Staubs Dc, LLC Chiropractor · Duluth, MN NPI 1639605017 Ketamine North Infusion Therapy Clinic/Center · Duluth, MN NPI 1316556020 Psych North Pllc Psychiatric/Mental Health Nurse Practitioner · Duluth, MN NPI 1760136964

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-21.