Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karissa J Junior, ARNP

Nurse Practitioner in Marshalltown, IA · enumerated 2018 · practices at Hy-Vee Inc.

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

National Provider Identifier

1417441999

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Registry record

Entity type Individual (Type 1)

Name Karissa J Junior

Credential ARNP

Sex Female

Practice address 802 S Center St, Marshalltown, IA, 50158

Phone (641) 844-5200

Enumeration date Jun 19, 2018

Last updated in NPPES Nov 11, 2024

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License A133743 (IA) 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

Where does Karissa Junior practice?

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

What is the NPI number for Karissa Junior?

The National Provider Identifier (NPI) for Karissa Junior is 1417441999, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-11-11.