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

Gregory Gagnon

Individual provider Radiation Oncology Physician · NPI 1407854268

Gregory Gagnon is a Radiation Oncology in Frederick, Maryland. Graduated from University of Virginia School of Medicine in 1986, 40 years ago. Practices with Frederick Health Hospital Inc, a 194-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
40
Trained at
University of Virginia School of Medicine
Licensed in
MD
In the registry since
2005
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Practice location Address checks out

1562 Opossumtown Pike
Frederick, MD 21702-4337
Phone: (240) 566-4500
Fax: (301) 694-5554
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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 D39954 (MD)

Record details

NPI number1407854268
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 14, 2005
Last updated in NPPESAugust 30, 2023
Certification dateAugust 30, 2023
Mailing address111 Loder St, Hornell, NY 14843-1950

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF VIRGINIA SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Frederick Health Hospital Inc — 194 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Frederick