Marius KatiliusMD
Marius Katilius, MD is a General Surgery provider in Joliet, IL, as of July 2026.
- NPI1659346583
- Registered2006
- Class of1994
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Marius Katilius at a glance
- Provider
- Marius Katilius
- Credential
- MD
- Specialty
- General Surgery
- Procedures
- General Surgery CPT codes
- Location
- Joliet, IL
- Medical school
- Rush Medical College of Rush University
- Graduated
- 1994
- NPI registered
- 2006
- NPI
- 1659346583
- 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 Marius Katilius practice?
Marius Katilius, MD is based in Joliet, IL. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Marius Katilius's NPI number?
Marius Katilius's National Provider Identifier (NPI) is 1659346583, registered in 2006. Specialty on record: General Surgery; credential MD.
Where did Marius Katilius go to medical school?
Marius Katilius, MD attended Rush Medical College of Rush University, graduating in 1994.
How many General Surgery providers in Illinois work at ambulatory surgery centers?
109 General Surgery surgeons and proceduralists in Illinois are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Marius Katilius among them. The Illinois General Surgery directory lists each one by city with credential, NPI, and center affiliations.
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