Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Giselle Karzoff, AGNP

Adult Health Nurse Practitioner in Franklin Lakes, NJ · enumerated 2025.

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

National Provider Identifier

1649065723

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Registry record

Entity type Individual (Type 1)

Name Giselle Karzoff

Credential AGNP

Sex Female

Practice address 922 Hilltop Ter, Franklin Lakes, NJ, 07417

Phone (201) 644-7007

Enumeration date Apr 10, 2025

Last updated in NPPES Apr 10, 2025

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AG03250047 (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

Where does Giselle Karzoff practice?

The practice location on file with NPPES is in Franklin Lakes, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Giselle Karzoff?

The National Provider Identifier (NPI) for Giselle Karzoff is 1649065723, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-10.