Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thomas G Lewison, CRNA

Certified Registered Nurse Anesthetist in Montevideo, MN · enumerated 2012.

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

National Provider Identifier

1790034742

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Registry record

Entity type Individual (Type 1)

Name Thomas G Lewison

Credential CRNA

Sex Male

Practice address 824 N 11th St, Montevideo, MN, 56265

Phone (320) 269-8877

Fax (320) 269-8186

Enumeration date Sep 6, 2012

Last updated in NPPES Jan 29, 2026

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License CR000928 (SD) Secondary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License R169007-9 (MN) Primary

CRNA · Certified Registered Nurse Anesthetist: An advanced practice nurse specializing in anesthesia care. About the CRNA credential

Other identifiers

Identifier	Type	State	Issuer
1790034742	Medicaid	MN	-

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.

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Frequently asked questions

How do I verify Thomas Lewison's NPI record?

Cross-check NPI 1790034742 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1790034742 active?

Yes, as of the latest NPPES snapshot, NPI 1790034742 is active (record last updated 2026-01-29).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-29.