Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Jennifer Roth, R.D.

Registered Dietitian in Waterloo, IA · enumerated 2011.

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

National Provider Identifier

1538444534

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Registry record

Entity type Individual (Type 1)

Name Mrs. Jennifer Roth

Credential R.D.

Sex Female

Practice address 419 E Donald St, Waterloo, IA, 50703

Phone (319) 236-1911

Fax (319) 287-5832

Enumeration date Oct 21, 2011

Last updated in NPPES Oct 21, 2011

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 001817 (IA) 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 Jennifer Roth?

The National Provider Identifier (NPI) for Jennifer Roth is 1538444534, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jennifer Roth practice?

The practice location on file with NPPES is in Waterloo, IA. 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 2011-10-21.