Active NPI
Michelle Strother Sosa, LCSW
- Clinical Social Worker
- Lorton, VA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 0904010315
- Practice address
- 8105 Dayton St
Lorton, VA 22079-3501 - Phone
- (703) 409-6045
- NPI assigned
- Nov 12, 2025
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 0904010315 | VA | Primary |
Addresses
Primary practice location
8105 Dayton St
Lorton, VA 22079-3501
Mailing address
8105 Dayton St
Lorton, VA 22079-3501
Phone (703) 409-6045
Other practice location 1
8575 Rixlew Ln
Manassas, VA 20109-3701
Phone (301) 593-1315
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in DC, VA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Social Worker
- Education
- Other, 2011
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
10701 Main St
Fairfax, VA 22030-6904
Phone (703) 273-7705
8575 Rixlew LN
Manassas, VA 20109-3701
Phone (301) 593-1315
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 0904010315 | VA | MD | Clinical Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Columbia Associates in Psychiatry PC | Current | Accepting new patients | |
| Psychogeriatric Services LLC | Clinical | Current | Accepting new patients |
Locations
12073 Tech Rd
Ste B
Silver Spring, MD 20904
Phone (240) 396-5873
24560 Southpoint Dr
Ste 260
Aldie, VA 20105
Phone (571) 248-7472
2501 N Glebe Rd
Ste 303
Arlington, VA 22207
Phone (703) 485-9519
10721 Main St
Ste 2400
Fairfax, VA 22030
Phone (703) 270-0225
10701 Main St
Fairfax, VA 22030
Phone (703) 273-7705
2960 Sleepy Hollow Rd
Falls Church, VA 22044
Phone (703) 304-7764
8575 Rixlew Ln
Manassas, VA 20109
Phone (703) 257-9770
24440 Stone Springs Blvd
Sterling, VA 20166
Phone (571) 206-8696
Organizations & group practices 2
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": "1762905600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1767657600000",
"number": "1063372175",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "8105 DAYTON ST",
"city": "LORTON",
"state": "VA",
"postal_code": "220793501",
"telephone_number": "703-409-6045"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8105 DAYTON ST",
"city": "LORTON",
"state": "VA",
"postal_code": "220793501",
"telephone_number": "703-409-6045"
}
],
"practiceLocations": [
{
"address_1": "8575 Rixlew Ln",
"address_purpose": "LOCATION",
"city": "Manassas",
"state": "VA",
"postal_code": "201093701",
"country_code": "US",
"telephone_number": "301-593-1315",
"fax_number": "301-681-4699",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SOSA",
"first_name": "MICHELLE",
"middle_name": "STROTHER",
"name_prefix": "Mrs.",
"credential": "LCSW",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2025-11-12",
"last_updated": "2026-01-06",
"certification_date": "2026-01-06",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "VA",
"license": "0904010315",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Lorton, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 6, 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.