Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Wendy J Marshall, MD, FACS

Surgery Physician in Joliet, IL · enumerated 2006.

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

National Provider Identifier

1578538492

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Registry record

Entity type Individual (Type 1)

Name Wendy J Marshall

Credential MD, FACS

Sex Female

Practice address Joliet, IL, 60435

Phone (815) 744-0330

Fax (815) 744-0445

Enumeration date Feb 22, 2006

Last updated in NPPES Aug 12, 2008

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 036075261 (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
69988	Other	IL	HEALTH ALLIANCE, URBANA
9930030	Other	IL	BC/BS OF ILLINOIS
036075261	Medicaid	IL	-
4226783	Other	IL	AETNA

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.

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Frequently asked questions

What is the NPI number for Wendy Marshall?

The National Provider Identifier (NPI) for Wendy Marshall is 1578538492, a Type 1 (individual) record in the CMS NPPES registry.

Where does Wendy Marshall 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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Anthony Proske MD Ltd Sleep Disorder Diagnostic Clinic/Center · Joliet, IL NPI 1235120668 Center for Surgery & Breast Health, LLC Surgery Physician · Joliet, IL NPI 1124284849 Natalie Delarosa Behavior Technician · Joliet, IL NPI 1205795648 Gabriella Chavez Behavior Technician · Joliet, IL NPI 1972450070 Salvador Oregel Behavior Technician · Joliet, IL NPI 1740121946 Ashley Wynne Behavior Technician · Joliet, IL NPI 1700714698 Carita Johnson Behavior Technician · Joliet, IL NPI 1861320772

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-08-12.