Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jessica Mergen, APNP

Nurse Practitioner in Manitowoc, WI · enumerated 2025.

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

National Provider Identifier

1457225716

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Registry record

Entity type Individual (Type 1)

Name Jessica Mergen

Credential APNP

Sex X

Practice address 1650 S 41st St, Manitowoc, WI, 54220

Phone (920) 320-0524

Enumeration date Sep 30, 2025

Last updated in NPPES Nov 3, 2025

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 17413-33 (WI) 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 specialty is Jessica Mergen?

Jessica Mergen is registered in NPPES with the primary taxonomy of Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-03.