Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marcia Siegal

Obstetrics & Gynecology Physician in Addison, IL · enumerated 2008 · practices at Cook Counter Center of Home Health, Inc..

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

National Provider Identifier

1205090552

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Registry record

Entity type Individual (Type 1)

Name Marcia Siegal

Sex Female

Practice address 240 E Lake St, Suite 200, Addison, IL, 60101

Phone (630) 941-9344

Fax (630) 941-1486

Enumeration date Jul 16, 2008

Last updated in NPPES Jul 16, 2008

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 036-05556 (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.

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Frequently asked questions

What is the NPI number for Marcia Siegal?

The National Provider Identifier (NPI) for Marcia Siegal is 1205090552, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marcia Siegal practice?

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

Other providers at this practice address

Browse all →

Emmanuel Agomo Medical Physician Assistant · Addison, IL NPI 1093760514 Rodney Berger Specialist · Addison, IL NPI 1316099849 Cook Counter Center of Home Health, Inc. Home Health Agency · Addison, IL NPI 1659710119 Edward Buck Clinical Social Worker · Addison, IL NPI 1750755625

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-07-16.