Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Madison Katherine Muhlhauser, MS

Nutritionist in Vancouver, WA · enumerated 2019 · practices at Vancouver Wellness Studio, Pllc.

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

National Provider Identifier

1457995284

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Registry record

Entity type Individual (Type 1)

Name Madison Katherine Muhlhauser

Credential MS

Sex Female

Practice address 800 Franklin St Ste 200, Vancouver, WA, 98660

Phone (360) 828-1429

Enumeration date Nov 5, 2019

Last updated in NPPES Nov 5, 2019

Taxonomy & licenses

133N00000X Nutritionist Dietary & Nutritional Service Providers 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 specialty is Madison Muhlhauser?

Madison Muhlhauser is registered in NPPES with the primary taxonomy of Nutritionist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-11-05.