Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Margaret H Zabiega, M.D.

Hospitalist Physician in Joliet, IL · enumerated 2005.

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

National Provider Identifier

1578564654

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Registry record

Entity type Individual (Type 1)

Name Dr. Margaret H Zabiega

Credential M.D.

Sex Female

Practice address 2100 Glenwood Ave, Joliet, IL, 60435

Phone (815) 725-2121

Enumeration date Aug 10, 2005

Last updated in NPPES Aug 29, 2023

Taxonomy & licenses

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 036110941 (IL) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
200503120	Medicaid	IN	-

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 Margaret Zabiega?

The National Provider Identifier (NPI) for Margaret Zabiega is 1578564654, a Type 1 (individual) record in the CMS NPPES registry.

Where does Margaret Zabiega practice?

The practice location on file with NPPES is in Joliet, IL. 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 2023-08-29.