Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael Thomas Lien, M.S.

Q: What is the NPI number for Michael Lien?

The National Provider Identifier (NPI) for Michael Lien is 1518975606, a Type 1 (individual) record in the CMS NPPES registry.

Certified Registered Nurse Anesthetist in River Falls, WI · enumerated 2006.

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

National Provider Identifier

1518975606

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Registry record

Entity type Individual (Type 1)

Name Michael Thomas Lien

Credential M.S.

Sex Male

Practice address 1629 E Division St, River Falls, WI, 54022

Phone (715) 426-6155

Enumeration date Aug 4, 2006

Last updated in NPPES Mar 13, 2019

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 145236-030 (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 Michael Lien?

The National Provider Identifier (NPI) for Michael Lien is 1518975606, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Lien practice?

The practice location on file with NPPES is in River Falls, WI. 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 2019-03-13.