Individual provider Active NPI

Sarah Downer, NP-BC

  • Family Nurse Practitioner
  • Reston, VA
National Provider Identifier
1619455912
Registry record updated Aug 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
0024176407 Issued in VA
Practice address
1860 Town Center Drive, Suite 140
Reston, VA 20190-5898
Phone
(703) 737-6010
NPI assigned
Jul 30, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 0024176407 VA Primary

Addresses

Primary practice location

1860 Town Center Drive, Suite 140
Reston, VA 20190-5898

Mailing address

224-D Cornwall Street, NW, Suite 403
Leesburg, VA 20176-2704
Phone (703) 737-6010

Other identifiers 2

IdentifierTypeStateIssuer
1619455912MedicaidVA
30015857810002MedicaidVA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in VA, DC2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20181026000002 VA Practitioner - Nurse Practitioner 6901159698 Reassigns benefits to 1 organization
I20200630001592 DC Practitioner - Nurse Practitioner 6901159698 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Privia Medical Group, LLCGroup PAC ID 4385682061, 1,522 clinicians
Loudoun Medical Group, PCGroup PAC ID 0042119661, 272 clinicians

Practice addresses (Care Compare)

14631 Lee Hwy 405
Centreville, VA 20121-5835
Phone (703) 935-3191

1860 Town Ctr Dr
Suite 140
Reston, VA 20190-5898
Phone (703) 437-0001

224 D Cornwall Street NW
Suite 207
Leesburg, VA 20176-2700
Phone (703) 437-0001

4229 Lafayette Ctr Dr
Suite 1000
Chantilly, VA 20151-1260
Phone (703) 830-1950

9470 Annapolis Rd
Suite 309
Lanham, MD 20706-3022
Phone (202) 832-1800

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Privia Medical Group, LLC CurrentSince May 24, 2020 Accepting new patients
Privia Medical Group, LLC CurrentSince May 24, 2020 Accepting new patients
Loudoun Medical Group, PC CurrentSince Aug 8, 2018 Accepting new patients
Loudoun Medical Group, PC CurrentSince Aug 8, 2018 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

9470 Annapolis Rd
Ste 309
Lanham, MD 20706
Phone (202) 832-1800

950 N Glebe Rd
Ste 700
Arlington, VA 22203
Phone (484) 228-1065

20955 Professional Plz
Ste 200
Ashburn, VA 20147
Phone (703) 729-7652

4229 Lafayette Center Dr
Ste 1000
Chantilly, VA 20151
Phone (703) 724-0091

224D Cornwall St NW
Ste 207
Leesburg, VA 20176
Phone (703) 437-0001

224D Cornwall St NW
Ste 403
Leesburg, VA 20176
Phone (703) 737-6001

1860 Town Center Dr
Ste 140
Reston, VA 20190
Phone (703) 437-0001

46165 Westlake Dr
Ste 120
Sterling, VA 20165
Phone (703) 444-3302

Interoperability endpoints

  • Direct secure messaging: sarah.cunningham.1@8042.direct.athenahealth.com

Organizations & group practices 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1532908800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1619455912",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "224-D CORNWALL STREET, NW, SUITE 403",
            "city": "LEESBURG",
            "state": "VA",
            "postal_code": "201762704",
            "telephone_number": "703-737-6010"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1860 TOWN CENTER DRIVE, SUITE 140",
            "city": "RESTON",
            "state": "VA",
            "postal_code": "201905898",
            "telephone_number": "703-737-6010"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DOWNER",
        "first_name": "SARAH",
        "credential": "NP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-07-30",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "VA",
            "license": "0024176407",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1619455912",
            "state": "VA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "30015857810002",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Reston, VA

Sources for this page

Verify at the official NPI Registry.