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Radiation Oncology

Nadim Nasr, MD

Works at hospitals in Falls Church, VA · Reston, VA · Arlington, VA · Virginia

Summary

Dr. Nadim Nasr, MD is a radiation oncologist at 1701 N George Mason Dr, Arlington, VA 22205. Phone: (703) 558-6284. Accepts Medicare assignment. In 2024, Nadim Nasr had 317 Original Medicare patients and 3,802 services. NPI 1831369289. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Radiation oncologist (Medicare lists Radiation Oncology)
  • Address: 1701 N George Mason Dr, Arlington, VA 22205 · Directions
  • Phone: (703) 558‑6284
  • Medicare: Accepts Medicare assignment
  • Hospitals: Inova Fairfax Hospital, Reston Hospital Center, Virginia Hospital Center
  • Group practice: Arlington Radiation Oncology PLLC
  • Medical school: Virginia Commonwealth University, School Of Medicine · graduated 2003 (23 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Nadim Nasr, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Nadim Nasr accept Medicare assignment?
Yes. Medicare's clinician data says Nadim Nasr accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Nadim Nasr see?
In 2024, CMS data shows 317 Original Medicare patients and 3,802 services for Nadim Nasr. This counts Original Medicare only and measures volume, not quality.
What is Nadim Nasr's NPI number?
1831369289. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Nadim Nasr, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients317
Services billed to Medicare3,802
Different services or procedures33
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Calculation of radiation therapy dose (77300)914 services
  2. Design and construction of complex radiation treatment device (77334)734 services
  3. Ct guidance for insertion of radiation therapy fields (77014)358 services
  4. Obtaining data needed to develop the optimal radiation treatment, 1 treatment area (77280)297 services
  5. Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)185 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • High cholesterol73%
  • High blood pressure72%
  • Arthritis51%
  • Ischemic heart disease32%
  • Diabetes21%

Hospitals where Nadim Nasr works

Medicare's Facility Affiliation Data lists Nadim Nasr at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490063
  • Reston Hospital CenterReston, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490107
  • Virginia Hospital CenterArlington, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490050

Practice locations

Addresses where Nadim Nasr is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nadim Nasr as a member of this group (CMS data updated October 2, 2026).

  • Arlington Radiation Oncology PLLC4 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Virginia →

Other radiation oncologists in Arlington

Clinicians with the same Medicare primary specialty in Arlington, VA — not a recommendation.

All radiation oncologists in Arlington →

Other clinicians in Arlington Radiation Oncology PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolVirginia Commonwealth University, School Of Medicine
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1831369289
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians