Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Anna Lynn Kreiser, MS, RDN, LDN

Q: What is the NPI number for Anna Kreiser?

The National Provider Identifier (NPI) for Anna Kreiser is 1801339684, a Type 1 (individual) record in the CMS NPPES registry.

Registered Dietitian in Northbrook, IL · enumerated 2016.

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

National Provider Identifier

1801339684

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Registry record

Entity type Individual (Type 1)

Name Anna Lynn Kreiser

Credential MS, RDN, LDN

Sex Female

Practice address Northbrook, IL, 60062

Phone (847) 715-2642

Enumeration date Nov 28, 2016

Last updated in NPPES Nov 28, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 164006445 (IL) 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 is the NPI number for Anna Kreiser?

The National Provider Identifier (NPI) for Anna Kreiser is 1801339684, a Type 1 (individual) record in the CMS NPPES registry.

Where does Anna Kreiser practice?

The practice location on file with NPPES is in Northbrook, IL. 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 2016-11-28.