Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Margaret Zeis

Family Nurse Practitioner in Lombard, IL · enumerated 2025.

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

National Provider Identifier

1801680699

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Registry record

Entity type Individual (Type 1)

Name Margaret Zeis

Sex Female

Practice address 224 E Roosevelt Rd, Lombard, IL, 60148

Phone (630) 629-6298

Enumeration date Apr 7, 2025

Last updated in NPPES Sep 12, 2025

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 041445341 (IL) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209033056 (IL) 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

Where does Margaret Zeis practice?

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

What is the NPI number for Margaret Zeis?

The National Provider Identifier (NPI) for Margaret Zeis is 1801680699, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-12.