William SmallM.D.
Radiation Oncology·Chicago, IL
William Small, M.D. is a Radiation Oncology provider in Chicago, IL, as of July 2026.
- NPI1336115013
- Registered2006
- Class of1990
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
William Small at a glance
- Provider
- William Small
- Credential
- M.D.
- Specialty
- Radiation Oncology
- Location
- Chicago, IL
- Medical school
- Northwestern University Feinberg Medical School
- Graduated
- 1990
- NPI registered
- 2006
- NPI
- 1336115013
- 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 William Small practice?
William Small, M.D. is based in Chicago, IL. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is William Small's NPI number?
William Small's National Provider Identifier (NPI) is 1336115013, registered in 2006. Specialty on record: Radiation Oncology; credential M.D.
Where did William Small go to medical school?
William Small, M.D. attended Northwestern University Feinberg Medical School, graduating in 1990.
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, William Small among them. The Illinois Radiation Oncology directory lists each one by city with credential, NPI, and center affiliations.
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