Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Katarzyna Zalewska, LPC

Counselor in Round Lake, IL · enumerated 2015.

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

National Provider Identifier

1194199489

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Registry record

Entity type Individual (Type 1)

Name Katarzyna Zalewska

Credential LPC

Sex Female

Practice address 31979 N Fish Lake Rd, Round Lake, IL, 60073

Phone (847) 546-6450

Enumeration date Nov 24, 2015

Last updated in NPPES Nov 24, 2015

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers · License 178.011410 (IL) Primary

LPC · Licensed Professional Counselor: A licensed mental-health counselor providing psychotherapy. About the LPC 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 Katarzyna Zalewska practice?

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

What is the NPI number for Katarzyna Zalewska?

The National Provider Identifier (NPI) for Katarzyna Zalewska is 1194199489, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-11-24.