NPPES file of Aug 9, 2026

Nadia Kousar, M.D.

Infectious Disease Physician · Leesburg, VA

Nadia Kousar, M.D. is an infectious disease physician with a practice address in Leesburg, Virginia, and NPI 1306002233, issued on Jul 30, 2008. Check the license (Virginia 0101271022, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306002233
Name
Nadia Kousar
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
0101271022 VA
277861 NY
Self-reported in NPPES; status is on the state search
Practice location
44045 Riverside Pkwy, Leesburg, VA 20176
Phone
(703) 858-6000
Enumerated
Jul 30, 2008
Record last updated
Mar 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(703) 858-6900
Medicaid ID
04290837 NY
Medicare enrollment
Enrolled (PECOS I20231102001182); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 44045 Riverside Pkwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ayman Abdel-Rahman, MDAnesthesiology Physician1750602512
  2. Guadalupe Abebe, CST/CSFASurgical Assistant1235001702
  3. Nahla Acoury, M.D.Anatomic Pathology & Clinical Pathology Physician1801816210
  4. Morgan Adams, FNP-CFamily Nurse Practitioner1861172546
  5. Khushal Afzal, M.DInternal Medicine Physician1932339595
  6. Katherine Aguilar, CSFASurgical Assistant1669324026

Verify Nadia Kousar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101271022
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

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85% fewer Medicare Part D claims than the average infectious disease physician in 2024

100 Medicare Part D claims for 34 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. Nadia Kousar100
  2. Specialty average689

Most prescribed

  1. Cephalexin20 claims
  2. Doxycycline Monohydrate13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $101.88

1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nadia Kousar$101.88
  2. Specialty average$4,362.19

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Prospect CT Medical Foundation IncManchester, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nadia Kousar among 239 infectious disease physician records in Virginia

Nadia Kousar, M.D. is one of 239 infectious disease physician records with a practice address in Virginia. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.

  • NPI issued2008 · 59% of these records are older, 34% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2004 · median 2002 among the 145 with a school on file
  • Record last updated2021 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Virginia

There are 239 infectious disease physician records in Virginia.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Seemi Andrabi, M.D.Lansdowne, VA 201761801949359
  2. John McClain, M.D.Lovettsville, VA 201801093944530
  3. Tam Ly, M.D.Warrenton, VA 201861992858443
  4. Darrell McBride, D.O.Warrenton, VA 201861508127069
  5. Antonio Pastor, M.D.Sterling, VA 201661912120056
  6. Lavanya Nutankalva, MDReston, VA 201901003997339
  7. Paul Ramilo, MDCentreville, VA 201211821045501
  8. Henry Rhee, MDCentreville, VA 201211265489868

Common questions

What is Nadia Kousar, M.D.'s NPI number?

Nadia Kousar, M.D.'s National Provider Identifier (NPI) is 1306002233, issued on Jul 30, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Nadia Kousar, M.D. located?

The NPPES record lists a practice address at 44045 Riverside Pkwy, Leesburg, VA, 20176. Phone: (703) 858-6000. Providers update this record themselves, so call before visiting.

How can I verify Nadia Kousar, M.D.'s license?

NPPES lists Virginia license number 0101271022, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nadia Kousar, M.D. prescribe under Medicare Part D?

In 2024, Nadia Kousar, M.D. had 100 Medicare Part D claims for 34 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.