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Madison Marie Simpson, RN

Addiction (Substance Use Disorder) Registered Nurse in Oshkosh, WI · enumerated 2019.

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

National Provider Identifier

1821653510

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Registry record

Entity type Individual (Type 1)
Name Madison Marie Simpson
Credential RN
Sex Female
Practice address 505 S Washburn St, Oshkosh, WI, 54904
Phone (920) 232-2332
Enumeration date May 8, 2019
Last updated in NPPES May 8, 2019

Taxonomy & licenses

163WA0400X Addiction (Substance Use Disorder) Registered Nurse Nursing Service Providers · License 243451-30 (WI) Primary
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

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 Madison Simpson?
The National Provider Identifier (NPI) for Madison Simpson is 1821653510, a Type 1 (individual) record in the CMS NPPES registry.
Where does Madison Simpson practice?
The practice location on file with NPPES is in Oshkosh, 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 2019-05-08.