Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary M Kronenburger, APN, FNP

Nurse Practitioner in Wheeling, IL · enumerated 2006.

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

National Provider Identifier

1609978865

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Registry record

Entity type Individual (Type 1)

Name Mary M Kronenburger

Credential APN, FNP

Sex Female

Practice address 5150 Capitol Dr, Wheeling, IL, 60090

Phone (847) 215-9977

Fax (847) 215-9376

Enumeration date Sep 1, 2006

Last updated in NPPES Sep 12, 2018

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209004703 (IL) Primary

FNP · Family Nurse Practitioner: A nurse practitioner certified in family practice across the lifespan. About the FNP 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

Is NPI 1609978865 active?

Yes, as of the latest NPPES snapshot, NPI 1609978865 is active (record last updated 2018-09-12).

How do I verify Mary Kronenburger's NPI record?

Cross-check NPI 1609978865 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-09-12.