MAHWISH HUSSAIN MD
NPI 1871157495
Family Medicine in Falls Church, VA

Active since April 29, 2019PECOS EnrolledAccepts Medicare Assignment
6565 ARLINGTON BLVD STE 500, FALLS CHURCH, VA 22042(703) 531-2244(703) 207-7863 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 4, 2025, Jul 22, 2022, Apr 29, 2019 (3 updates tracked since 2019).

About Mahwish Hussain Md NPPES

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

MAHWISH HUSSAIN MD (NPI 1871157495) is an individual family medicine provider in Falls Church, Virginia, licensed in Virginia (0101275217) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1871157495
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMAHWISH HUSSAINCredential: MD
Location Address6565 ARLINGTON BLVD STE 500Falls Church, VA 22042-3018
Mailing Address6565 Arlington Blvd Ste 500Falls Church, VA 22042-3018 · (703) 531-2244 · Fax (703) 207-7863
Fax(703) 207-7863
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateApril 29, 2019
Last NPPES UpdateNovember 4, 20253 updates tracked since enumeration
NPPES CertifiedNovember 4, 2025
✔ NPI 1871157495 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in VA · 0101275217
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
6565 ARLINGTON BLVD STE 500, Falls Church, VA 22042

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

Mahwish Hussain 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.

PECOS PAC ID941684765
PECOS Enrollment IDI20220830004509
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.

Medicare Billing Reassignments

4

Medicare enrollment records show Mahwish Hussain reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
3914 CENTREVILLE RD, SUITE 250
Chantilly, VA 20151
  • Reassigned Medicare billing, District of Columbia enrollment
  • 379 clinicians in this Medicare group
Internal Medicine
15245 SHADY GROVE RD STE 150
Rockville, MD 20850
  • Reassigned Medicare billing, District of Columbia enrollment
  • 145 clinicians in this Medicare group
Internal Medicine
1840 AMHERST ST
Winchester, VA 22601
  • Reassigned Medicare billing, District of Columbia enrollment
  • 147 clinicians in this Medicare group
Hospitalist
2100 N 7TH ST
West Memphis, AR 72301
  • Reassigned Medicare billing, Virginia enrollment
  • 528 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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Inova Alexandria Hospital

Acute Care Hospitals · Alexandria, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490040
Location4320 Seminary RdAlexandria, VA 22304 · Alexandria City County
Emergency services Birthing friendly

Inova Mount Vernon Hospital

Acute Care Hospitals · Alexandria, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490122
Location2501 Parkers LaneAlexandria, VA 22306 · Fairfax County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22042 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
6565 ARLINGTON BLVD STE 500
FALLS CHURCH, VA 22042
Internal Medicine (Endocrinology, Diabetes & Metabolism)
6565 ARLINGTON BLVD STE 500
FALLS CHURCH, VA 22042
Internal Medicine
6565 ARLINGTON BLVD STE 500
FALLS CHURCH, VA 22042
Internal Medicine
6565 ARLINGTON BLVD STE 500
FALLS CHURCH, VA 22042
Internal Medicine
6565 ARLINGTON BLVD STE 500
FALLS CHURCH, VA 22042
Nurse Practitioner (Acute Care)
6565 ARLINGTON BLVD STE 500
FALLS CHURCH, VA 22042
Family Medicine
6565 ARLINGTON BLVD STE 500
FALLS CHURCH, VA 22042

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 Mahwish Hussain's NPI number?

The NPI number for Mahwish Hussain is 1871157495. It was assigned to this individual provider in the NPPES registry on April 29, 2019.

Where is Mahwish Hussain located?

Mahwish Hussain practices at 6565 Arlington Blvd Ste 500, Falls Church, VA 22042. The listed phone number is (703) 531-2244.

What is Mahwish Hussain's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mahwish Hussain enrolled in Medicare?

Yes. Mahwish Hussain 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 organizations bill Medicare for Mahwish Hussain's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mahwish Hussain reassigns Medicare benefits to 4 organizations: Inova Physician Partners, LLC (Chantilly, VA), Comprehensive Primary Care And Associates LLC (Rockville, MD), Hospitalist Medicine Physicians Of Virginia LLC (Winchester, VA) and Southeastern Intensivist Services PC (West Memphis, AR). Each 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 Mahwish Hussain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mahwish Hussain accept?

Health plans from Oscar Health list Mahwish Hussain 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 Mahwish Hussain affiliated with any hospitals?

According to CMS data, Mahwish Hussain is affiliated with Inova Alexandria Hospital and Inova Mount Vernon Hospital.

When was this NPI record last updated?

The NPPES record for Mahwish Hussain was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.