Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ms. Jennifer Ellen Mertiff, APRN FNP-C

Nurse Practitioner in Yulee, FL · enumerated 2019.

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

National Provider Identifier

1154986156

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Registry record

Entity type Individual (Type 1)

Name Ms. Jennifer Ellen Mertiff

Credential APRN FNP-C

Sex Female

Practice address Yulee, FL, 32097

Phone (904) 775-3601

Fax (904) 849-1919

Enumeration date May 6, 2019

Last updated in NPPES Mar 12, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License APRN11001171 (FL) 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 Jennifer Mertiff?

The National Provider Identifier (NPI) for Jennifer Mertiff is 1154986156, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jennifer Mertiff practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-12.