Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jayne Susan Shaffer

Registered Nurse in Mason City, IA · enumerated 2016.

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

National Provider Identifier

1720521180

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Registry record

Entity type Individual (Type 1)

Name Jayne Susan Shaffer

Sex Female

Practice address 235 S Eisenhower Ave, Mason City, IA, 50401

Phone (641) 424-2075

Fax (641) 424-9555

Enumeration date Dec 2, 2016

Last updated in NPPES Dec 2, 2016

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 076314 (IA) 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 Jayne Shaffer?

The National Provider Identifier (NPI) for Jayne Shaffer is 1720521180, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jayne Shaffer practice?

The practice location on file with NPPES is in Mason City, IA. 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 2016-12-02.