Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Liberty J Zyduck, RN, RD, NNP

Neonatal Nurse Practitioner in Marshfield, WI · enumerated 2009.

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

National Provider Identifier

1336371780

Verified

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Registry record

Entity type Individual (Type 1)

Name Liberty J Zyduck

Credential RN, RD, NNP

Sex Female

Practice address 1000 N Oak Ave, Marshfield, WI, 54449

Phone (715) 387-5511

Enumeration date Aug 19, 2009

Last updated in NPPES Jul 1, 2026

Taxonomy & licenses

363LN0005X Critical Care Neonatal Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 71018007A (IN) Secondary

363LN0000X Neonatal Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 11172 (WI) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

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 Liberty Zyduck?

The National Provider Identifier (NPI) for Liberty Zyduck is 1336371780, a Type 1 (individual) record in the CMS NPPES registry.

Where does Liberty Zyduck practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-01.