Sadia M Hayat Khan, MD

Primary specialty

Allergy & Immunology PhysicianTaxonomy code 207K00000X

License

0101273481 Issued in VA

Practice address

7171 Cardinal LN Ste 310
Falls Church, VA 22046-2136

Phone

(301) 962-5800

Fax

(301) 962-9585

NPI assigned

May 16, 2007

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in DC, VA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Allergy/Immunology

Education

Other, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Privia Medical Group, LLCGroup PAC ID 4385682061, 1,522 clinicians

Institute for Asthma and Allergy PCGroup PAC ID 5496719213, 13 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/8042/brand/1/csg/1/fhir/r4
• Direct secure messaging: sadia.hayat.khan.1@8042.direct.athenahealth.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Privia Medical Group, LLC

  • Internal Medicine Physician
  • Arlington, VA
  • NPI 1013042480

  Allergy & Immunology, DC

  Medicare reassignment Care Compare group NPD
• Institute for Asthma and Allergy P.C.

  • Allergy & Immunology Physician
  • North Palm Beach, FL
  • NPI 1447341110

  DC

  Medicare reassignment Care Compare group NPD
• Privia Medical Group, LLC

  • Pain Medicine (Psychiatry & Neurology) Physician
  • Rockville, MD
  • NPI 1811715436
  NPD
• Nova Physician Wellness Center PLLC

  • Family Medicine Physician
  • Fairfax, VA
  • NPI 1215307400
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1179273600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776297600000",
    "number": "1932315769",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7171 CARDINAL LN STE 310",
            "city": "FALLS CHURCH",
            "state": "VA",
            "postal_code": "220462136",
            "telephone_number": "301-962-5800",
            "fax_number": "301-962-9585"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7171 CARDINAL LN STE 310",
            "city": "FALLS CHURCH",
            "state": "VA",
            "postal_code": "220462136",
            "telephone_number": "301-962-5800",
            "fax_number": "301-962-9585"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAYAT KHAN",
        "first_name": "SADIA",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-05-16",
        "last_updated": "2026-04-16",
        "certification_date": "2026-04-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RA0201X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Allergy & Immunology",
            "state": "KS",
            "license": "0434939",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2004035766",
            "primary": false
        },
        {
            "code": "207K00000X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology",
            "state": "VA",
            "license": "0101273481",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Serena Haver
• Sara Hawa, DNP
• Jeffrey Michael Hawkins, PT
• Krystal Howard Hawkins, PMHNP
• Shannon Elyse Hawn, RN IBCLC
• Caroline Haynes, CF-SLP
• Jennifer Yung Haywood
• Kimberly Haywood
• Christine D Hazen-Fleming, O.T.
• Brian A Hazen, MD

• Allergy & Immunology Physician in Falls Church, VA
• Providers in Falls Church, VA by specialty
• Allergy & Immunology Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.