Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thomas J Thomsen

Certified Registered Nurse Anesthetist in Barron, WI · enumerated 2006.

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

National Provider Identifier

1194815324

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Registry record

Entity type Individual (Type 1)

Name Thomas J Thomsen

Sex Male

Practice address 1222 E Woodland Ave, Barron, WI, 54812

Phone (715) 838-5222

Enumeration date Oct 16, 2006

Last updated in NPPES Jan 28, 2021

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License R089479-5 (MN) Secondary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 3389 (WI) 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 Thomas Thomsen?

The National Provider Identifier (NPI) for Thomas Thomsen is 1194815324, a Type 1 (individual) record in the CMS NPPES registry.

Where does Thomas Thomsen practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-01-28.