NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lidia Prusak, PA-C

Physician Assistant in Ansonia, CT · enumerated 2025 · practices at Pediatric & Adolescent Healthcare, PC.

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

National Provider Identifier

1588542039

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Lidia Prusak
Credential PA-C
Sex Female
Practice address 400 Main St, Ansonia, CT, 06401
Enumeration date Aug 23, 2025
Last updated in NPPES Nov 19, 2025

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 7207 (CT) 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 Lidia Prusak practice?
The practice location on file with NPPES is in Ansonia, CT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Lidia Prusak?
The National Provider Identifier (NPI) for Lidia Prusak is 1588542039, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-19.