Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Ashley Jean Muller, MS, RD, LD

Registered Dietitian in Rochester, MN · enumerated 2022.

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

National Provider Identifier

1215658240

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Registry record

Entity type Individual (Type 1)

Name Ms. Ashley Jean Muller

Credential MS, RD, LD

Sex Female

Practice address 200 1st St Sw, Rochester, MN, 55905

Phone (507) 284-2511

Enumeration date Sep 7, 2022

Last updated in NPPES Jan 5, 2023

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 4804 (MN) 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 is the NPI number for Ashley Muller?

The National Provider Identifier (NPI) for Ashley Muller is 1215658240, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ashley Muller practice?

The practice location on file with NPPES is in Rochester, MN. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-01-05.