NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Mairead Alina Miszkiewicz

Social Worker in Mountainside, NJ · enumerated 2020.

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

National Provider Identifier

1386242774

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Ms. Mairead Alina Miszkiewicz
Sex Female
Practice address 1139 Spruce Dr, Mountainside, NJ, 07092
Enumeration date Oct 16, 2020
Last updated in NPPES Oct 24, 2024

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 44SL06896700 (NJ) 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

What is the NPI number for Mairead Miszkiewicz?
The National Provider Identifier (NPI) for Mairead Miszkiewicz is 1386242774, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mairead Miszkiewicz practice?
The practice location on file with NPPES is in Mountainside, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-10-24.