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

Kathryn Marqueen, MD

Individual provider Radiation Oncology Physician · NPI 1427678945

Kathryn Marqueen, MD is a Radiation Oncology in Fairfax, Virginia. Qualified in 2020, 6 years ago. Practices with Radiation Oncology Associates PC, a 22-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
6
Licensed in
VA
In the registry since
2020
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8081 Innovation Park Dr
Fairfax, VA 22031-4867
Phone: (571) 472-0606
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 0101286557 (VA)

Record details

NPI number1427678945
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 24, 2020
Last updated in NPPESAugust 11, 2025
Certification dateAugust 11, 2025
Mailing address8081 Innovation Park Dr, Fairfax, VA 22031-4867

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Radiation Oncology Associates Pc — 22 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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