Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Balbina E. Salopek

Nurse Practitioner in Naperville, IL · enumerated 2026.

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

National Provider Identifier

1588523427

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Registry record

Entity type Individual (Type 1)

Name Balbina E. Salopek

Sex Female

Practice address 801 S Washington St, Naperville, IL, 60540

Phone (630) 527-3575

Fax (630) 527-3581

Enumeration date Jan 16, 2026

Last updated in NPPES Jan 26, 2026

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209034067 (IL) Primary

363LA2100X Acute Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209034067 (IL) Secondary

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

Is NPI 1588523427 active?

Yes, as of the latest NPPES snapshot, NPI 1588523427 is active (record last updated 2026-01-26).

How do I verify Balbina Salopek's NPI record?

Cross-check NPI 1588523427 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-26.