NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Johanna Lynch, LSW

Social Worker in Boonton, NJ · enumerated 2025.

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

National Provider Identifier

1437949534

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Johanna Lynch
Credential LSW
Sex Female
Practice address 30 Lyonsville Rd, Boonton, NJ, 07005
Enumeration date May 12, 2025
Last updated in NPPES May 12, 2025

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 44SL07064000 (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 Johanna Lynch?
The National Provider Identifier (NPI) for Johanna Lynch is 1437949534, a Type 1 (individual) record in the CMS NPPES registry.
Where does Johanna Lynch practice?
The practice location on file with NPPES is in Boonton, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-12.