Active NPI
Madison Lee Duckworth, PA-C
- Physician Assistant
- Alexandria, VA
National Provider Identifier
1013869718
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 0110011661
- Practice address
- 6355 Walker LN Ste 202
Alexandria, VA 22310-3246 - Phone
- (571) 472-6464
- Fax
- (703) 797-6981
- NPI assigned
- Feb 13, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 0110011661 | VA | Primary |
Addresses
Primary practice location
6355 Walker LN Ste 202
Alexandria, VA 22310-3246
Mailing address
6355 Walker LN Ste 202
Alexandria, VA 22310-3246
Phone (310) 529-5282
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in VA, DC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2025
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
14605 Potomac Branch Dr
Suite 210
Woodbridge, VA 22191-3337
Phone (703) 620-3211
2501 Parkers LN
Alexandria, VA 22306-3209
Phone (703) 664-7000
3299 Woodburn Rd
Suite 370
Annandale, VA 22003-7326
Phone (703) 205-2626
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 0110011661 | VA | MD | Physician Assistant |
Organizations & group practices 1
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": "1770940800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1773360000000",
"number": "1013869718",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6355 WALKER LN STE 202",
"city": "ALEXANDRIA",
"state": "VA",
"postal_code": "223103246",
"telephone_number": "310-529-5282"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6355 WALKER LN STE 202",
"city": "ALEXANDRIA",
"state": "VA",
"postal_code": "223103246",
"telephone_number": "571-472-6464",
"fax_number": "703-797-6981"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DUCKWORTH",
"first_name": "MADISON",
"middle_name": "LEE",
"credential": "PA-C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-02-13",
"last_updated": "2026-03-13",
"certification_date": "2026-03-13",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "VA",
"license": "0110011661",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Alexandria, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 13, 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.