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SADIA M HAYAT KHAN MD
NPI 1932315769
Allergy & Immunology in Falls Church, VA

Active since May 16, 2007PECOS EnrolledAccepts Medicare Assignment
7171 CARDINAL LN STE 310, FALLS CHURCH, VA 22046(301) 962-5800(301) 962-9585 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 16, 2026, May 4, 2022 (2 updates tracked since 2022).

About Sadia M Hayat Khan Md NPPES

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

SADIA M HAYAT KHAN MD (NPI 1932315769) is an individual allergy & immunology provider in Falls Church, Virginia, licensed in Virginia (0101273481) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1932315769
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameSADIA M HAYAT KHANCredential: MD
Location Address7171 CARDINAL LN STE 310Falls Church, VA 22046-2136
Mailing Address7171 Cardinal Ln Ste 310Falls Church, VA 22046-2136 · (301) 962-5800 · Fax (301) 962-9585
Phone(301) 962-5800
Fax(301) 962-9585
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateMay 16, 2007
Last NPPES UpdateApril 16, 20262 updates tracked since enumeration
NPPES CertifiedApril 16, 2026
✔ NPI 1932315769 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in VA · 0101273481
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 ListedInternal MedicineTaxonomy 207R00000X · License 2004035766 (MO)
Also ListedInternal Medicine · Allergy & ImmunologyTaxonomy 207RA0201X · License 0434939 (KS)
7171 CARDINAL LN STE 310, Falls Church, VA 22046
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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 and accepts Medicare assignment

Sadia M Hayat Khan 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 ID5395765739
PECOS Enrollment IDI20221102002882
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 Sadia Hayat Khan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Privia Medical Group, LLC
5.1 mi
Internal Medicine
950 N GLEBE RD STE 700
Arlington, VA 22203
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 1,534 clinicians in this Medicare group
NPI 1013042480 (571) 366-8850
Institute For Asthma And Allergy P.C.
844 mi
Allergy & Immunology
840 US HIGHWAY 1 STE 235
North Palm Beach, FL 33408
  • Reassigned Medicare billing, District of Columbia enrollment
  • Medicare enrollment name: Institute For Asthma And Allergy PC
  • 14 clinicians in this Medicare group
NPI 1447341110 (301) 962-5800

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
36 services16 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
11 services11 patients

Other Providers at the Same Location NPPES

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

PAULA MARIAM MOHYI MD
Allergy & Immunology
7171 CARDINAL LN STE 310
FALLS CHURCH, VA 22046
Falls Church City (301) 962-5800

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 Sadia Hayat Khan's NPI number?

The NPI number for Sadia Hayat Khan is 1932315769. It was assigned to this individual provider in the NPPES registry on May 16, 2007.

Where is Sadia Hayat Khan located?

Sadia Hayat Khan practices at 7171 Cardinal Ln Ste 310, Falls Church, VA 22046. The listed phone number is (301) 962-5800.

What is Sadia Hayat Khan's specialty?

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

Is Sadia Hayat Khan enrolled in Medicare?

Yes. Sadia Hayat Khan 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 Sadia Hayat Khan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sadia Hayat Khan reassigns Medicare benefits to 2 organizations: Privia Medical Group, LLC (Arlington, VA) and Institute For Asthma And Allergy P.C. (North Palm Beach, FL). 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 Sadia Hayat Khan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sadia Hayat Khan accept?

Health plans from Oscar Health list Sadia Hayat Khan 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 Sadia Hayat Khan was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.