Kathryn Marqueen, MD
NPI 1427678945 · Radiation Oncology Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Marqueen, MD is a Radiation Oncology Physician provider in Fairfax, VA (NPI 1427678945).
Provider details
- NPI number
- 1427678945
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101286557 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-24
- Last updated
- 2025-08-11
- Certified
- 2025-08-11
Frequently asked questions
- What is Kathryn Marqueen's NPI number?
- Kathryn Marqueen's National Provider Identifier (NPI) is 1427678945, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Marqueen's specialty?
- Kathryn Marqueen is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Kathryn Marqueen located?
- Kathryn Marqueen's practice location on file with NPPES is 8081 Innovation Park Dr, Fairfax, VA 22031-4867.
- What is Kathryn Marqueen's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Marqueen is (571) 472-0606.
- Does Kathryn Marqueen accept Medicare?
- Kathryn Marqueen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Marqueen's NPI active?
- Yes — Kathryn Marqueen's NPI (1427678945) is active in the NPPES registry as of the last update on 2025-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.