Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Hematology/Oncology

Etan Aber, MD

Sees patients in Leesburg, VA · Alexandria, VA · Fairfax, VA … · Virginia

Summary

Etan Aber, MD (Hematology/Oncology) is enrolled with Medicare at 4 practice locations in Leesburg, VA, Alexandria, VA and Fairfax, VA and other places. NPI 1841753142. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Etan Aber, 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

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
Columbia University College Of Physicians And SurgeonsMedical school
MaleGender (as listed)
Virginia Cancer Specialists, P.C.Group practice

Quick answers

Where does Etan Aber see patients?
Medicare's clinician data lists 4 practice locations, including Leesburg, VA, Alexandria, VA and Fairfax, VA. Call before your visit to confirm the address.
What is Etan Aber's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Etan Aber accept Medicare assignment?
Yes. Medicare's clinician data says Etan Aber 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.
What is the phone number for Etan Aber?
(703) 554-6800, as listed in official Medicare / NPI Registry data.
What is Etan Aber's NPI number?
1841753142. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

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

Group practices

Medicare enrollment lists Etan Aber 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 Hematology/Oncology doctors in Virginia →

Other hematologist-oncologists in Virginia

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

All hematologist-oncologists in Virginia →

Clinician information

CredentialMD
Medical schoolColumbia University College Of Physicians And Surgeons
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841753142
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians