Individual provider Active NPI

Annie Du Yang, MD

  • Neurology Physician
  • Fairfax, VA
National Provider Identifier
1962069849
Registry record updated Sep 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
0101278414 Issued in VA
Practice address
3620 Joseph Siewick Dr Ste 400
Fairfax, VA 22033-1761
Phone
(571) 472-4200
Fax
(571) 432-3155
NPI assigned
May 25, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 29, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X 0101278414 VA Primary

Addresses

Primary practice location

3620 Joseph Siewick Dr Ste 400
Fairfax, VA 22033-1761

Mailing address

3620 Joseph Siewick Dr Ste 400
Fairfax, VA 22033-1761
Phone (571) 472-4200

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20241017002587 DC Practitioner - Neurology 2769717834 Reassigns benefits to 2 organizations
I20241030003649 VA Practitioner - Neurology 2769717834 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
New York University School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Inova Health Care ServicesGroup PAC ID 2466351093, shared by 24 NPIs, 1,821 clinicians

Practice addresses (Care Compare)

3300 Gallows Rd
Falls Church, VA 22042-3307

3600 Joseph Siewick Dr
Fairfax, VA 22033-1709
Phone (703) 391-3600

3620 Joseph Siewick Dr
Fairfax, VA 22033-1761

3800 Fettler Park Dr
Suite 312
Dumfries, VA 22025-2043
Phone (571) 472-6791

44045 Rivderside Pkwy
Leesburg, VA 20176-5101

44055 Riverside Pkwy
Suite 110
Leesburg, VA 20176-5155
Phone (703) 391-4500

8081 Innovation Park Dr
Fairfax, VA 22031-4867

Hospital & facility affiliations

  • Inova Fairfax Hospital Hospital, Falls Church, VA, CCN 490063
  • Inova Fair Oaks Hospital Hospital, Fairfax, VA, CCN 490101
  • Inova Loudoun Hospital Hospital, Leesburg, VA, CCN 490043
  • Inova Mount Vernon Hospital Hospital, Alexandria, VA, CCN 490122

Merit-based Incentive Payment System (MIPS)

Final score
83.36 of 100Reported as group
Quality
73.03
Promoting interoperability
100
Improvement activities
40
Cost
71.49

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Inova Health Care Services CurrentSince Sep 23, 2024 Accepting new patients
Inova Health Care Services CurrentSince Sep 23, 2024 Accepting new patients
Inova Health Care Services CurrentSince Sep 23, 2024 Accepting new patients
Inova Health Care Services CurrentSince Sep 23, 2024 Accepting new patients

Locations

3800 Fettler Park Dr
Ste 312
Dumfries, VA 22025
Phone (571) 472-6791

3620 Joseph Siewick Dr
Ste 400
Fairfax, VA 22033
Phone (703) 264-7801

8081 Innovation Park Dr
Ste 900
Fairfax, VA 22031
Phone (571) 472-4200

3580 Joseph Siewick Dr
Ste 206
Fairfax, VA 22033
Phone (703) 391-4500

3300 Gallows Rd
Falls Church, VA 22042
Phone (703) 352-9395

7051 Heathcote Village Way
Ste 230
Gainesville, VA 20155
Phone (703) 391-4500

224B Cornwall St NW
Leesburg, VA 20176
Phone (703) 771-2894

44055 Riverside Pkwy
Ste 110
Leesburg, VA 20176
Phone (703) 391-4500

44045 Riverside Pkwy
Leesburg, VA 20176
Phone (703) 858-6040

Interoperability endpoints

  • Direct secure messaging: ayang1441897@soc.inova.org

Organizations & group practices 4

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.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1558742400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759104000000",
    "number": "1962069849",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3620 JOSEPH SIEWICK DR STE 400",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220331761",
            "telephone_number": "571-472-4200",
            "fax_number": "571-432-3155"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3620 JOSEPH SIEWICK DR STE 400",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220331761",
            "telephone_number": "571-472-4200",
            "fax_number": "571-432-3155"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YANG",
        "first_name": "ANNIE",
        "middle_name": "DU",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-05-25",
        "last_updated": "2025-09-29",
        "certification_date": "2025-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "VA",
            "license": "0101278414",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fairfax, VA

Sources for this page

Verify at the official NPI Registry.