ETAN ABER MD, PHD
NPI 1841753142
Internal Medicine - Hematology & Oncology in Fairfax, VA
About Etan Aber Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ETAN ABER MD, PHD (NPI 1841753142) is an individual hematology & oncology provider in Fairfax, Virginia, licensed in Virginia (0101288403) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fairfax, and is a graduate of Columbia University College Of Physicians And Surgeons (2019).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Etan Aber Md, Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Etan Aber reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fairfax, VA 22031
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 78 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FAIRFAX, VA 22031
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Etan Aber's NPI number?
The NPI number for Etan Aber is 1841753142. It was assigned to this individual provider in the NPPES registry on April 12, 2019.
Where is Etan Aber located?
Etan Aber practices at 8613 Route 29 Ste 101, Fairfax, VA 22031. The listed phone number is (571) 350-8400.
What is Etan Aber's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Etan Aber enrolled in Medicare?
Yes. Etan Aber is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Etan Aber's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Etan Aber reassigns Medicare benefits to Virginia Cancer Specialists, P.C. (Fairfax, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Etan Aber's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Etan Aber was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Etan Aber, MD, PHD · NPI 1841753142
Hematology & Oncology physician in Fairfax, Virginia. Individual provider, active in the CMS NPPES registry since April 12, 2019.
## Identity
- **NPI:** 1841753142 (Entity type: Individual)
- **Enumerated:** April 12, 2019
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 0101288403 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 8613 ROUTE 29 STE 101, Fairfax, VA 22031-2171
- **Phone:** (571) 350-8400 · **Fax:** (703) 208-3108
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Virginia Cancer Specialists, P.C. (NPI 1346294519, Fairfax, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 2019
## Record status
- **NPPES last updated:** March 23, 2026
- **Other identifiers:** Medicaid 1841753142 (VA)
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Source: [NPI Profile](https://npiprofile.com/npi/1841753142) · Data from the CMS NPPES public registry.