Ari BallonoffMD
Ari Ballonoff, MD is a Radiation Oncology provider in Denver, CO, as of July 2026.
- NPI1689720260
- Registered2007
- Class of2003
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Ari Ballonoff at a glance
- Provider
- Ari Ballonoff
- Credential
- MD
- Specialty
- Radiation Oncology
- Location
- Denver, CO
- Medical school
- University of Colorado School of Medicine, Denver
- Graduated
- 2003
- NPI registered
- 2007
- NPI
- 1689720260
- 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 Ari Ballonoff practice?
Ari Ballonoff, MD is based in Denver, CO. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Ari Ballonoff's NPI number?
Ari Ballonoff's National Provider Identifier (NPI) is 1689720260, registered in 2007. Specialty on record: Radiation Oncology; credential MD.
Where did Ari Ballonoff go to medical school?
Ari Ballonoff, MD attended University of Colorado School of Medicine, Denver, graduating in 2003.
How many Radiation Oncology providers in Colorado work at ambulatory surgery centers?
20 Radiation Oncology surgeons and proceduralists in Colorado are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Ari Ballonoff among them. The Colorado Radiation Oncology directory lists each one by city with credential, NPI, and center affiliations.
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