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Diana Stiegal, DO

Pediatrics Physician in Glen Ellyn, IL · enumerated 2020.

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

National Provider Identifier

1477181204

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Registry record

Entity type Individual (Type 1)
Name Diana Stiegal
Credential DO
Sex Female
Practice address 885 Roosevelt Rd Ste 202, Glen Ellyn, IL, 60137
Phone (630) 790-1555
Fax (630) 545-3787
Enumeration date Mar 28, 2020
Last updated in NPPES Sep 5, 2023

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 125.046468 (IL) Secondary
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 036162094 (IL) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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.

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Frequently asked questions

What is the NPI number for Diana Stiegal?
The National Provider Identifier (NPI) for Diana Stiegal is 1477181204, a Type 1 (individual) record in the CMS NPPES registry.
Where does Diana Stiegal practice?
The practice location on file with NPPES is in Glen Ellyn, IL. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-05.