Catherine Park LeonardMD
Radiation Oncology·Barrington, IL
Catherine Park Leonard, MD is a Radiation Oncology provider in Barrington, IL, as of July 2026.
- NPI1710149968
- Registered2008
- Class of2006
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Catherine Park Leonard at a glance
- Provider
- Catherine Park Leonard
- Credential
- MD
- Specialty
- Radiation Oncology
- Location
- Barrington, IL
- Medical school graduation
- 2006
- NPI registered
- 2008
- NPI
- 1710149968
- 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 Catherine Park Leonard practice?
Catherine Park Leonard, MD is based in Barrington, IL. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Catherine Park Leonard's NPI number?
Catherine Park Leonard's National Provider Identifier (NPI) is 1710149968, registered in 2008. Specialty on record: Radiation Oncology; credential MD.
How many Radiation Oncology providers in Illinois work at ambulatory surgery centers?
49 Radiation Oncology surgeons and proceduralists in Illinois are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Catherine Park Leonard among them. The Illinois Radiation Oncology directory lists each one by city with credential, NPI, and center affiliations.
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