Nathalie AntoniosMD
Critical Care Medicine·Chicago, IL
Nathalie Antonios, MD is a Critical Care Medicine provider in Chicago, IL, as of July 2026.
- NPI1902301138
- Registered2018
- Class of2018
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Nathalie Antonios at a glance
- Provider
- Nathalie Antonios
- Credential
- MD
- Specialty
- Critical Care Medicine
- Location
- Chicago, IL
- Medical school graduation
- 2018
- NPI registered
- 2018
- NPI
- 1902301138
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Nathalie Antonios practice?
Nathalie Antonios, MD is based in Chicago, IL. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Nathalie Antonios's NPI number?
Nathalie Antonios's National Provider Identifier (NPI) is 1902301138, registered in 2018. Specialty on record: Critical Care Medicine; credential MD.
How many Critical Care Medicine providers in Illinois work at ambulatory surgery centers?
27 Critical Care Medicine surgeons and proceduralists in Illinois are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Nathalie Antonios among them. The Illinois Critical Care Medicine directory lists each one by city with credential, NPI, and center affiliations.
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