Gerald SimonMD
Internal Medicine·Countryside, IL
Gerald Simon, MD is an Internal Medicine provider in Countryside, IL, as of July 2026.
- NPI1861450330
- Registered2006
- Class of1982
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Gerald Simon at a glance
- Provider
- Gerald Simon
- Credential
- MD
- Specialty
- Internal Medicine
- Procedures
- Internal Medicine CPT codes
- Location
- Countryside, IL
- Medical school
- Loyola University of Chicago, Stritch School of Medicine
- Graduated
- 1982
- NPI registered
- 2006
- NPI
- 1861450330
- 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 Gerald Simon practice?
Gerald Simon, MD is based in Countryside, IL. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Gerald Simon's NPI number?
Gerald Simon's National Provider Identifier (NPI) is 1861450330, registered in 2006. Specialty on record: Internal Medicine; credential MD.
Where did Gerald Simon go to medical school?
Gerald Simon, MD attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1982.
How many Internal Medicine providers in Illinois work at ambulatory surgery centers?
27 Internal Medicine surgeons and proceduralists in Illinois are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Gerald Simon among them. The Illinois Internal Medicine directory lists each one by city with credential, NPI, and center affiliations.
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