Barry Vassar

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

0704008157 Issued in VA

Practice address

12020 Sunrise Valley Dr Ste 100
Reston, VA 20191-3429

Phone

(804) 822-7594

NPI assigned

Aug 31, 2026

Sex

Male

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

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

{
    "created_epoch": "1788134400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788134400000",
    "number": "1558279687",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "68 PINEGROVE RD",
            "city": "CUMBERLAND",
            "state": "VA",
            "postal_code": "230402110",
            "telephone_number": "804-822-7594"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12020 SUNRISE VALLEY DR STE 100",
            "city": "RESTON",
            "state": "VA",
            "postal_code": "201913429",
            "telephone_number": "804-822-7594"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VASSAR",
        "first_name": "BARRY",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-08-31",
        "last_updated": "2026-08-31",
        "certification_date": "2026-08-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Counselor, Mental Health",
            "state": "VA",
            "license": "0704008157",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Abigail F Vandivier, LPC
• Peter H. Vangeertruyden, MD
• Supriya Varma, M.D., F.A.C.O.G.
• Vascular Associates of Northern Virginia PC
• Mark Emanuel Vasiliadis, M.D.
• Jayne Vecchio
• Kelly H. Veenstra, MS CCC-SLP
• Advika Venkatesh
• Monica Mary Vickers, LPTA
• Tara Vieth, DPT

• Mental Health Counselor in Reston, VA
• Providers in Reston, VA by specialty
• Mental Health Counselor in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 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.