Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gagnon Oncology, LLC

Organization Radiation Oncology Physician · NPI 1376814293

Gagnon Oncology, LLC is a Radiation Oncology Physician in Frederick, Maryland. Works from 2 locations. Licensed in Maryland.

Licensed in
MD
In the registry since
2012
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1562 Opossumtown Pike
Frederick, MD 21702-4920
Phone: (240) 566-4500
Fax: (301) 694-5554
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 11110 Medical Campus Rd Ste 129, Hagerstown, MD 21742-6799 — (301) 665-4650

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence D0039954 (MD)

Record details

NPI number1376814293
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationGagnon Oncology, LLC
Authorized official Lynda Losecco — Administrator · (607) 324-2340
NPI enumeratedJanuary 24, 2012
Last updated in NPPESJanuary 14, 2025
Certification dateJanuary 14, 2025
Mailing address111 Loder St Ste B, Hornell, NY 14843-1950

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