Gregory Gagnon
Radiation Oncology·Frederick, MD
Gregory Gagnon is a Radiation Oncology provider in Frederick, MD, as of July 2026.
- NPI1407854268
- Registered2005
- Class of1986
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Gregory Gagnon at a glance
- Provider
- Gregory Gagnon
- Specialty
- Radiation Oncology
- Location
- Frederick, MD
- Medical school
- University of Virginia School of Medicine
- Graduated
- 1986
- NPI registered
- 2005
- NPI
- 1407854268
- 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 Gregory Gagnon practice?
Gregory Gagnon is based in Frederick, MD. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Gregory Gagnon's NPI number?
Gregory Gagnon's National Provider Identifier (NPI) is 1407854268, registered in 2005. Specialty on record: Radiation Oncology.
Where did Gregory Gagnon go to medical school?
Gregory Gagnon attended University of Virginia School of Medicine, graduating in 1986.
How many Radiation Oncology providers in Maryland work at ambulatory surgery centers?
30 Radiation Oncology surgeons and proceduralists in Maryland are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Gregory Gagnon among them. The Maryland Radiation Oncology directory lists each one by city with credential, NPI, and center affiliations.
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