NADIA KOUSAR M.D.
NPI 1306002233
Internal Medicine - Infectious Disease in Leesburg, VA

Active since July 30, 2008PECOS EnrolledAccepts Medicare Assignment
44045 RIVERSIDE PKWY, LEESBURG, VA 20176(703) 858-6000(703) 858-6900 Get Directions Write a Review

NPPES record last updated: March 6, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 6, 2021, Dec 11, 2017 (2 updates tracked since 2017).

About Nadia Kousar M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NADIA KOUSAR M.D. (NPI 1306002233) is an individual infectious disease provider in Leesburg, Virginia, licensed in Virginia (0101271022) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1306002233
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameNADIA KOUSARCredential: M.D.
Location Address44045 RIVERSIDE PKWYLeesburg, VA 20176-5101
Mailing AddressPo Box 37174Baltimore, MD 21297-3174 · (571) 423-5699 · Fax (571) 423-5698
Fax(703) 858-6900
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJuly 30, 2008
Last NPPES UpdateMarch 6, 20212 updates tracked since enumeration
NPPES CertifiedMarch 6, 2021
NPI 1306002233 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses Licensed in VA · 0101271022 Licensed in NY · 277861
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
44045 RIVERSIDE PKWY, Leesburg, VA 20176

Other Identifiers 1

Medicaid04290837NY

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Nadia Kousar M.d. 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.

PECOS PAC ID1850518515
PECOS Enrollment IDI20231102001182
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
28 services18 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
16 services15 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
13 services12 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
13 services13 patients

Physician 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.

New Patient
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Internal Medicine
44045 RIVERSIDE PKWY
LEESBURG, VA 20176
Neurological Surgery
44045 RIVERSIDE PKWY
LEESBURG, VA 20176
Registered Nurse
44045 RIVERSIDE PKWY
LEESBURG, VA 20176
Nurse Anesthetist, Certified Registered
44045 RIVERSIDE PKWY
LEESBURG, VA 20176
Anesthesiology
44045 RIVERSIDE PKWY
LEESBURG, VA 20176
Family Medicine
44045 RIVERSIDE PKWY, INOVA LOUDOUN HOSPITAL
LEESBURG, VA 20176
Nurse Anesthetist, Certified Registered
44045 RIVERSIDE PKWY, INOVA LOUDOUN HOSPITAL
LEESBURG, VA 20176
Nurse Anesthetist, Certified Registered
44045 RIVERSIDE PKWY
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 Nadia Kousar's NPI number?

The NPI number for Nadia Kousar is 1306002233. It was assigned to this individual provider in the NPPES registry on July 30, 2008.

Where is Nadia Kousar located?

Nadia Kousar practices at 44045 Riverside Pkwy, Leesburg, VA 20176. The listed phone number is (703) 858-6000.

What is Nadia Kousar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Nadia Kousar enrolled in Medicare?

Yes. Nadia Kousar 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.

What insurance does Nadia Kousar accept?

Health plans from CareSource list Nadia Kousar 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.

When was this NPI record last updated?

The NPPES record for Nadia Kousar was last updated on March 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.