Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Amy Zak, RN

Q: What is the NPI number for Amy Zak?

The National Provider Identifier (NPI) for Amy Zak is 1225716228, a Type 1 (individual) record in the CMS NPPES registry.

Registered Nurse in West Chester, PA · enumerated 2023.

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

National Provider Identifier

1225716228

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Registry record

Entity type Individual (Type 1)

Name Amy Zak

Credential RN

Sex Female

Practice address 701 E Marshall St Fl 2, West Chester, PA, 19380

Phone (610) 431-5394

Enumeration date Jul 10, 2023

Last updated in NPPES Jul 10, 2023

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License RN538098 (PA) 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 Amy Zak?

The National Provider Identifier (NPI) for Amy Zak is 1225716228, a Type 1 (individual) record in the CMS NPPES registry.

Where does Amy Zak practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-10.