Alyssia Vannarath

Primary specialty

Behavior TechnicianTaxonomy code 106S00000X

Practice address

9720 Capital CT Ste 108
Manassas, VA 20110-2049

Phone

(703) 770-8060

Fax

(703) 748-2212

NPI assigned

Jun 23, 2026

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

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.

• Compassionate ABA & Therapeutic Services LLC

  • Behavior Analyst
  • Manassas, VA
  • NPI 1598415234
  NPD (past)

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

{
    "created_epoch": "1782172800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782172800000",
    "number": "1033045455",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9720 CAPITAL CT STE 108",
            "city": "MANASSAS",
            "state": "VA",
            "postal_code": "201102049",
            "telephone_number": "703-770-8060",
            "fax_number": "703-748-2212"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9720 CAPITAL CT STE 108",
            "city": "MANASSAS",
            "state": "VA",
            "postal_code": "201102049",
            "telephone_number": "703-770-8060",
            "fax_number": "703-748-2212"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6564 Loisdale Ct",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "VA",
            "postal_code": "221501827",
            "country_code": "US",
            "telephone_number": "703-770-8060",
            "fax_number": "703-748-2212",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VANNARATH",
        "first_name": "ALYSSIA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-06-23",
        "last_updated": "2026-06-23",
        "certification_date": "2026-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106S00000X",
            "taxonomy_group": "",
            "desc": "Behavior Technician",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jaime Ann Young Van Echo, CCC-SLP
• Melissa Van Fossen
• Robert J Van Kirk Jr., MD
• Patrick Joseph Vander Woude, FNP, NP-C
• Vanguard Medical LLC
• Lisa Vanroekel
• Melanie Ellen Vargas, SLP
• Joseph John Varva III
• Parita Mulraj Vasa, MD
• VDH

• Behavior Technician in Manassas, VA
• Providers in Manassas, VA by specialty
• Behavior Technician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 2026; 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.