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Gregory Larrieux

Transplant Surgery Physician in Milwaukee, WI · enumerated 2013.

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

National Provider Identifier

1699118174

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Registry record

Entity type Individual (Type 1)
Name Gregory Larrieux
Sex Male
Practice address 9200 W Wisconsin Ave, Milwaukee, WI, 53226
Phone (414) 805-8632
Enumeration date Apr 15, 2013
Last updated in NPPES Jul 20, 2021

Taxonomy & licenses

204F00000X Transplant Surgery Physician Allopathic & Osteopathic Physicians · License MD2021-0736 (NM) Primary
208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 65599 (MN) Secondary

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

What is the NPI number for Gregory Larrieux?
The National Provider Identifier (NPI) for Gregory Larrieux is 1699118174, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gregory Larrieux practice?
The practice location on file with NPPES is in Milwaukee, 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 2021-07-20.