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DR. DARLENE MANSOOR M.D.
NPI 1013131010
Allergy & Immunology in Fairfax, VA

Active since April 12, 2007PECOS Enrolled
3023 HAMAKER CT STE 300, FAIRFAX, VA 22031(703) 876-2788 Get Directions Write a Review

NPPES record last updated: May 1, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Darlene Mansoor M.d. NPPES

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

DR. DARLENE MANSOOR M.D. (NPI 1013131010) is an individual allergy & immunology provider in Fairfax, Virginia, licensed in Virginia (0101246155) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1013131010
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameDR. DARLENE MANSOORCredential: M.D.
Location Address3023 HAMAKER CT STE 300Fairfax, VA 22031-2240
Mailing AddressPo Box 37215Baltimore, MD 21297-3215
Phone(703) 876-2788
Sole ProprietorYes
Enumeration DateApril 12, 2007
Last NPPES UpdateMay 1, 2020
NPPES CertifiedMay 1, 2020
✔ NPI 1013131010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in VA · 0101246155
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedAllergy & Immunology · AllergyTaxonomy 207KA0200X · License 0101246155 (VA)
3023 HAMAKER CT STE 300, Fairfax, VA 22031
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Darlene Mansoor M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Darlene Mansoor reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatric Specialists Of Virginia, LLC
Same address
Pediatrics
3023 HAMAKER CT, SUITE 200
Fairfax, VA 22031
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 128 clinicians in this Medicare group
NPI 1699119818 (703) 848-6627
Inova Health Care Services
0.6 mi
Multi-Specialty
2740 PROSPERITY AVE STE 200
Fairfax, VA 22031
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 2,618 clinicians in this Medicare group
NPI 1669511051 (703) 321-2600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 10

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

DR. SHALINEE KHURANA MD
Pediatrics (Developmental - Behavioral Pediatrics)
3023 HAMAKER CT STE 300
FAIRFAX, VA 22031
Fairfax County (703) 876-2788
DR. LEON ELWIN MOORES MD, DSC
Neurological Surgery
3023 HAMAKER CT STE 300
FAIRFAX, VA 22031
Fairfax County (703) 848-6618
SHRIPRIYA MOHAN O'NEILL CPNP
Nurse Practitioner (Pediatrics)
3023 HAMAKER CT STE 300
FAIRFAX, VA 22031
Fairfax County (703) 280-3850
AMANDA BATISTATOS CPNP-PC
Nurse Practitioner (Pediatrics)
3023 HAMAKER CT STE 300
FAIRFAX, VA 22031
Fairfax County (703) 876-2788
DR. EMILY B NICHOLS PHD
Psychologist (Clinical Child & Adolescent)
3023 HAMAKER CT STE 300
FAIRFAX, VA 22031
Fairfax County (703) 848-6627
DR. JAMES ERNEST CLAYTON M.D.
Pediatrics
3023 HAMAKER CT STE 300
FAIRFAX, VA 22031
Fairfax County (703) 876-2788
WILLIAM MCCLINTOCK MD
Psychiatry & Neurology (Psychiatry)
3023 HAMAKER CT STE 300
FAIRFAX, VA 22031
Fairfax County (703) 876-2788
DR. SUPRIYA JAIN M.D.
Pediatrics (Pediatric Allergy/Immunology)
3023 HAMAKER CT STE 300
FAIRFAX, VA 22031
Fairfax County (703) 876-2788

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 Darlene Mansoor's NPI number?

The NPI number for Darlene Mansoor is 1013131010. It was assigned to this individual provider in the NPPES registry on April 12, 2007.

Where is Darlene Mansoor located?

Darlene Mansoor practices at 3023 Hamaker Ct Ste 300, Fairfax, VA 22031. The listed phone number is (703) 876-2788.

What is Darlene Mansoor's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Darlene Mansoor enrolled in Medicare?

Yes. Darlene Mansoor is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Darlene Mansoor's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Darlene Mansoor reassigns Medicare benefits to 2 organizations: Pediatric Specialists Of Virginia, LLC (Fairfax, VA) and Inova Health Care Services (Fairfax, VA). 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 Darlene Mansoor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Darlene Mansoor accept?

Health plans from Oscar Health list Darlene Mansoor 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 Darlene Mansoor was last updated on May 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.