Individual provider Active NPI

Alexandra Leigh Haller, MS, ATR-P

  • Mental Health Counselor
  • Vienna, VA
National Provider Identifier
1265396022
Registry record updated Dec 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
Practice address
144 Church St NW Ste 205
Vienna, VA 22180-4550
Phone
(571) 234-8050
NPI assigned
Dec 15, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 15, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Art Therapist 221700000X 25-753 VA
Mental Health Counselor 101YM0800X VA Primary

Addresses

Primary practice location

144 Church St NW Ste 205
Vienna, VA 22180-4550

Mailing address

7600 Wood Mill CT
Richmond, VA 23231-7157

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Master of Science

State licenses

LicenseStateTypeSpecialty
25-753VAMDArt Therapist

NPI Registry JSON

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

{
    "created_epoch": "1765756800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765756800000",
    "number": "1265396022",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7600 WOOD MILL CT",
            "city": "RICHMOND",
            "state": "VA",
            "postal_code": "232317157"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "144 CHURCH ST NW STE 205",
            "city": "VIENNA",
            "state": "VA",
            "postal_code": "221804550",
            "telephone_number": "571-234-8050"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HALLER",
        "first_name": "ALEXANDRA",
        "middle_name": "LEIGH",
        "credential": "MS, ATR-P",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-12-15",
        "last_updated": "2025-12-15",
        "certification_date": "2025-12-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "221700000X",
            "taxonomy_group": "",
            "desc": "Art Therapist",
            "state": "VA",
            "license": "25-753",
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "VA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Vienna, VA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.