Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary E Willis, R.D., L.D., C.D.E.

Registered Dietitian in Stanley, KS · enumerated 2009.

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

National Provider Identifier

1710127626

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Registry record

Entity type Individual (Type 1)

Name Mary E Willis

Credential R.D., L.D., C.D.E.

Sex Female

Practice address 15101 Glenwood Ave, Stanley, KS, 66223

Phone (913) 681-8866

Fax (913) 338-1311

Enumeration date Mar 5, 2009

Last updated in NPPES Jan 8, 2013

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers Primary

RD · Registered Dietitian: A nutrition professional credentialed by the Commission on Dietetic Registration. About the RD 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Mary Willis?

Mary Willis is registered in NPPES with the primary taxonomy of Registered Dietitian. 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 2013-01-08.