Individual provider Active NPI

Alexandra Grace Fellows Sullivan, LCSW

  • Clinical Social Worker
  • Arlington, VA
National Provider Identifier
1164378238
Registry record updated Mar 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
0904020096 Issued in VA
Practice address
200 N Glebe Rd Ste 104
Arlington, VA 22203-3755
Phone
(703) 841-0703
NPI assigned
Mar 10, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 10, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 0904020096 VA Primary

Addresses

Primary practice location

200 N Glebe Rd Ste 104
Arlington, VA 22203-3755

Mailing address

200 N Glebe Rd Ste 104
Arlington, VA 22203-3755

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260420000786 DC Practitioner - Clinical Social Worker 3173099967 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2023
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

1301 D St SE
Apt B
Washington, DC 20003-5251

200 N Glebe Rd
Suite 300
Arlington, VA 22203-3755

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
0904020096VAMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
National Capital Treatment and Recovery CurrentSince Mar 9, 2026 Accepting new patients
National Capital Treatment and Recovery-Maryland PastSince Mar 9, 2026 Accepting new patients

Locations

46 S Glebe Rd
Ste 300
Arlington, VA 22204

200 N Glebe Rd
Ste 104
Arlington, VA 22203

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": "1773100800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773100800000",
    "number": "1164378238",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 N GLEBE RD STE 104",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222033755"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 N GLEBE RD STE 104",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222033755",
            "telephone_number": "703-841-0703"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SULLIVAN",
        "first_name": "ALEXANDRA",
        "middle_name": "GRACE FELLOWS",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-03-10",
        "last_updated": "2026-03-10",
        "certification_date": "2026-03-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "VA",
            "license": "0904020096",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Arlington, VA

Sources for this page

Verify at the official NPI Registry.