KATHRYN MARQUEEN (MD) – Radiation Oncology Physician, NPI 1427678945

KATHRYN MARQUEEN (MD) is a healthcare provider. based in Fairfax, Virginia. specializing in RADIATION ONCOLOGY. They hold the professional credentials MD. They hold a License No. 0101286557 (VA). The NPI Number for KATHRYN MARQUEEN (MD) is 1427678945

Main info

Female
6 Years Of Experience
Accepts Medicare Assignment
Name
KATHRYN MARQUEEN (MD)
NPI
1427678945
Phone
Not provided
Address
8081 INNOVATION PARK DR
Enumeration Date
24 April 2020
Last Update Date
11 August 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5714720606
Graduation Year
2020 (6 years ago)
PAC ID
4981104726
Group Practice PAC ID
1254302359
Professional Enrollment ID
I20250826000000
Address ID
VA220314867FA8081XDRXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience41
Completeness85
Years active:6State licenses:1Digital endpointsOther names

136 RADIATION ONCOLOGY in VA

Provider Addresses for KATHRYN MARQUEEN (MD)

  • 8081 INNOVATION PARK DR

    FAIRFAX, VA 220314867

    Phone:

    Type: Mailing

  • 3808 THAMESFORD WAY

    RICHMOND, VA 232331755

    Phone:

    Type: Mailing

  • 1 GUSTAVE LEVY PLACE

    NEW YORK, NY 10029

    Phone: (212) 241-6500

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2025-10-23

PECOS data refreshed: 2026-06-15

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20250826000000IRadiation OncologyDCTBD
I20251023002178IRadiation OncologyVATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 22031)

Loading plans...

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1254302359View full group profile
NameSpecialtyState
Nurse PractitionerMD
Nurse PractitionerDC
Nurse PractitionerVA
Radiation OncologyVA
Radiation OncologyMD
-VA
Physician AssistantVA
Radiation OncologyVA
Radiation OncologyMD
Radiation OncologyMA

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What unique ID ties claims to KATHRYN MARQUEEN (MD)?
NPI 1427678945 is assigned to KATHRYN MARQUEEN (MD) under the national enumeration system.
Is KATHRYN MARQUEEN (MD) currently active in the NPI registry?
CMS-published data lists KATHRYN MARQUEEN (MD) as an active registrant.
Does KATHRYN MARQUEEN (MD) list a primary specialty?
If you are matching referrals, note Radiation Oncology Physician for KATHRYN MARQUEEN (MD). Clinical services aligned with this taxonomy classification.
Where is KATHRYN MARQUEEN (MD)'s primary listing?
We display Fairfax, Virginia because that is what the record indicates for KATHRYN MARQUEEN (MD).
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

Similar Providers

DR. GREGORY S SIBLEY (M.D.)

Radiation Oncology Physician
3040 WILLIAMS DR STE 100
NPI: 1043211360

DR. ASHISH K CHAWLA (M.D.)

Radiation Oncology Physician
Innovation Park Drive, Annandale, Fairfax, Virginia, 22037, United States
NPI: 1699777599

Maryland Radiation Oncology Assoc

Radiation Oncology Physician
1400, Riverton Otautau Road, Gropers Bush, Oraka Aparima Community, Southland District, Southland, New Zealand
NPI: 1831172758

DR. SAMIR KANANI (M.D.)

Radiation Oncology Physician
Innovation Park Drive, Annandale, Fairfax, Virginia, 22037, United States
NPI: 1558336719

Unknown Individual

Radiation Oncology Physician
9568 KINGS CHARTER DR STE 202
NPI: 1679549224

STELLA HETELEKIDIS (MD)

Radiation Oncology Physician
9568 KINGS CHARTER DR STE 202
NPI: 1467416693

GOPAL KRISHNA BAJAJ (M.D.)

Radiation Oncology Physician
Innovation Park Drive, Annandale, Fairfax County, Virginia, 22037, United States
NPI: 1922063197

VIRGINIA CANCER SPECIALISTS, P.C.

Hematology & Oncology Physician
3040, Williams Drive, Merrifield, Fairfax (city), Virginia, 22031, United States
NPI: 1346294519

John G. Mayer, MD, PhD, PC

Radiation Oncology Physician
9568 KINGS CHARTER DR
NPI: 1013962836