Sylvia Andersen Haydash, L.C.S.W.

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

0904004373 Issued in VA

Practice address

7502 Diplomat Dr
Suite 101
Manassas, VA 20109-2631

Phone

(703) 392-7944

Fax

(703) 878-2629

NPI assigned

Mar 18, 2006

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

Other identifiers 2

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1142640000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1962461186",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6167 RIVER FOREST DR",
            "city": "MANASSAS",
            "state": "VA",
            "postal_code": "201123047",
            "telephone_number": "703-392-7944",
            "fax_number": "703-878-2629"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7502 DIPLOMAT DR",
            "address_2": "SUITE 101",
            "city": "MANASSAS",
            "state": "VA",
            "postal_code": "201092631",
            "telephone_number": "703-392-7944",
            "fax_number": "703-878-2629"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAYDASH",
        "first_name": "SYLVIA",
        "middle_name": "ANDERSEN",
        "name_prefix": "Ms.",
        "credential": "L.C.S.W.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-18",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "VA",
            "license": "0904004373",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAQH",
            "identifier": "11526293",
            "state": "VA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8198023",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Diane Yvonne Hattler, LPC
• Lindsay S Hauer
• Elizabeth Haugh
• Ahmad Hawasli
• Andy Hay, M.D.
• Kathryn Hayes, DPT
• Larry Haygood
• Monica N Hayward, MSW
• Keith Andrew Hazen, CERTIFIED PEDORTHIST
• Headquarters Therapy LLC

• Clinical Social Worker in Manassas, VA
• Providers in Manassas, VA by specialty
• Clinical Social Worker in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.