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Medical Oncology

Ajay Dar, MD

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

Summary

Ajay Dar, MD (Medical Oncology) is listed by Medicare at 3 hospitals in Falls Church, VA, Leesburg, VA and Reston, VA. NPI 1215905286. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ajay Dar, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
42Years since medical school (graduated 1984)
MaleGender (as listed)
Virginia Cancer Specialists, P.C.Group practice

Quick answers

Which hospitals does Ajay Dar work at?
Medicare's official clinician data lists Ajay Dar at 3 hospitals: Inova Fairfax Hospital, Inova Loudoun Hospital and Reston Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ajay Dar see patients?
Medicare's clinician data lists 2 practice locations, including Reston, VA and Leesburg, VA. Call before your visit to confirm the address.
What is Ajay Dar's specialty?
Medicare lists Medical Oncology as the primary specialty, and also Hematology.
Does Ajay Dar accept Medicare assignment?
Yes. Medicare's clinician data says Ajay Dar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Ajay Dar offer telehealth?
Medicare's clinician data says Ajay Dar offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Ajay Dar?
(703) 437-6535, as listed in official Medicare / NPI Registry data.
What is Ajay Dar's NPI number?
1215905286. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ajay Dar works

Medicare's Facility Affiliation Data lists Ajay Dar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Ajay Dar is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ajay Dar as a member of this group (CMS data updated 2026-10-02).

  • Virginia Cancer Specialists, P.C.82 clinicians in the group

Specialties

Find other Medical Oncology doctors in Virginia →

Other oncologists in Virginia

Clinicians with the same Medicare primary specialty in Virginia — not a recommendation.

All oncologists in Virginia →

Clinician information

CredentialMD
Graduation year1984
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1215905286
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians