Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Irina Korolkov, RN

Registered Nurse in Franklin, WI · enumerated 2018.

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

National Provider Identifier

1003385303

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Registry record

Entity type Individual (Type 1)

Name Irina Korolkov

Credential RN

Sex Female

Practice address 9301 S Cobblestone Way Unit G, Franklin, WI, 53132

Phone (414) 736-7475

Enumeration date Nov 15, 2018

Last updated in NPPES Nov 15, 2018

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 193680-30 (WI) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN 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

Where does Irina Korolkov practice?

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

What is the NPI number for Irina Korolkov?

The National Provider Identifier (NPI) for Irina Korolkov is 1003385303, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-11-15.