AROOJ TAHIR MD
NPI 1851928253
Internal Medicine in Leesburg, VA
About Arooj Tahir Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AROOJ TAHIR MD (NPI 1851928253) is an individual internal medicine provider in Leesburg, Virginia, licensed in Virginia (0101277499) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Inova Loudoun Hospital, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Arooj Tahir Md 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 Arooj Tahir reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vienna, VA 22180
- Reassigned Medicare billing, Virginia and District of Columbia enrollments
- Also billed through NPI 1669511051 (District of Columbia)
- 2,379 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Loudoun Hospital
Acute Care Hospitals · Leesburg, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20176 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEESBURG, VA 20176
LEESBURG, VA 20176
LEESBURG, VA 20176
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 Arooj Tahir's NPI number?
The NPI number for Arooj Tahir is 1851928253. It was assigned to this individual provider in the NPPES registry on March 25, 2020.
Where is Arooj Tahir located?
Arooj Tahir practices at 44045 Riverside Pkwy, Leesburg, VA 20176. The listed phone number is (703) 858-6000.
What is Arooj Tahir's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Arooj Tahir enrolled in Medicare?
Yes. Arooj Tahir 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 Arooj Tahir's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Arooj Tahir reassigns Medicare benefits to Inova Health Care Services (Vienna, 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 Arooj Tahir's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Arooj Tahir accept?
Health plans from Oscar Health list Arooj Tahir as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Arooj Tahir affiliated with any hospitals?
According to CMS data, Arooj Tahir is affiliated with Inova Loudoun Hospital and Inova Fairfax Hospital.
When was this NPI record last updated?
The NPPES record for Arooj Tahir was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.
# Arooj Tahir, MD · NPI 1851928253
Internal Medicine physician in Leesburg, Virginia. Individual provider, active in the CMS NPPES registry since March 25, 2020.
## Identity
- **NPI:** 1851928253 (Entity type: Individual)
- **Enumerated:** March 25, 2020
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 0101277499 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 44045 RIVERSIDE PKWY, Leesburg, VA 20176-5101
- **Phone:** (703) 858-6000 · **Fax:** (571) 200-1458
## 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:** Inova Health Care Services (NPI 1275886418, Vienna, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** October 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1851928253) · Data from the CMS NPPES public registry.