Nancy Yanez, BCABA

Primary specialty

Assistant Behavior AnalystTaxonomy code 106E00000X

License

0134000669 Issued in VA

Practice address

131 Elden St Ste 302
Herndon, VA 20170-4851

Phone

(703) 496-4371

Fax

(703) 435-4021

NPI assigned

Feb 25, 2021

Sex

Female

Sole proprietor

Yes

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

State licenses

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.

• Autism First, LLC

  • Behavior Analyst
  • Herndon, VA
  • NPI 1497343701

  Assistant Behavior Analyst

  NPD (past)

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

{
    "created_epoch": "1614211200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773792000000",
    "number": "1568056992",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24805 PINEBROOK RD STE 312",
            "city": "CHANTILLY",
            "state": "VA",
            "postal_code": "201524128",
            "telephone_number": "703-496-4371"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "131 ELDEN ST STE 302",
            "city": "HERNDON",
            "state": "VA",
            "postal_code": "201704851",
            "telephone_number": "703-496-4371",
            "fax_number": "703-435-4021"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1933 Thomson Dr",
            "address_purpose": "LOCATION",
            "city": "Lynchburg",
            "state": "VA",
            "postal_code": "245011008",
            "country_code": "US",
            "telephone_number": "703-496-4371",
            "fax_number": "703-435-4021",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1045 Main St Ste 2",
            "address_purpose": "LOCATION",
            "city": "Danville",
            "state": "VA",
            "postal_code": "245411800",
            "country_code": "US",
            "telephone_number": "703-496-4371",
            "fax_number": "703-435-4021",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "24805 Pinebrook Rd",
            "address_purpose": "LOCATION",
            "city": "Chantilly",
            "state": "VA",
            "postal_code": "201524126",
            "country_code": "US",
            "telephone_number": "703-496-4371",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6800 Paragon Pl Ste 237",
            "address_purpose": "LOCATION",
            "city": "Richmond",
            "state": "VA",
            "postal_code": "232301651",
            "country_code": "US",
            "telephone_number": "703-496-4371",
            "fax_number": "703-435-4021",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "130 Carriebrooke Dr",
            "address_purpose": "LOCATION",
            "city": "Stephens City",
            "state": "VA",
            "postal_code": "226556000",
            "country_code": "US",
            "telephone_number": "703-496-4371",
            "fax_number": "703-435-4021",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4445 Corporation Ln Ste 245",
            "address_purpose": "LOCATION",
            "city": "Virginia Beach",
            "state": "VA",
            "postal_code": "234623676",
            "country_code": "US",
            "telephone_number": "703-496-4371",
            "fax_number": "703-435-4021",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3433 Brambleton Ave Ste 201A",
            "address_purpose": "LOCATION",
            "city": "Roanoke",
            "state": "VA",
            "postal_code": "240186527",
            "country_code": "US",
            "telephone_number": "703-496-4371",
            "fax_number": "703-435-4021",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11835 Fishing Point Dr Ste 202",
            "address_purpose": "LOCATION",
            "city": "Newport News",
            "state": "VA",
            "postal_code": "236062585",
            "country_code": "US",
            "telephone_number": "703-496-4371",
            "fax_number": "703-435-4021",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7960 Donegan Dr Ste 200",
            "address_purpose": "LOCATION",
            "city": "Manassas",
            "state": "VA",
            "postal_code": "201098236",
            "country_code": "US",
            "telephone_number": "703-496-4371",
            "fax_number": "703-435-4021",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YANEZ",
        "first_name": "NANCY",
        "credential": "BCABA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-02-25",
        "last_updated": "2026-03-18",
        "certification_date": "2026-03-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106E00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Assistant Behavior Analyst",
            "state": "VA",
            "license": "0134000669",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• All providers in Herndon, VA
• Assistant Behavior Analyst in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 18, 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.