Jason Dat Nguyen

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

0704019202 Issued in VA

Practice address

10379B Democracy LN
Fairfax, VA 22030-2505

Phone

(571) 530-9538

NPI assigned

May 5, 2025

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": "1746403200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782172800000",
    "number": "1407645633",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5025 CLIFFHAVEN DR",
            "city": "ANNANDALE",
            "state": "VA",
            "postal_code": "220034346",
            "telephone_number": "571-286-8382"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10379B DEMOCRACY LN",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220302505",
            "telephone_number": "571-530-9538"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "JASON",
        "middle_name": "DAT",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-05-05",
        "last_updated": "2026-06-23",
        "certification_date": "2026-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "VA",
            "license": "0704019202",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hang Thanh Nguyen
• Harrison Nguyen, M.D.
• Hieu Phuong Nguyen
• Hoai Nguyen, R.PH.
• Jacob Nguyen, DPT
• Jennifer Haiyen Nguyen, PHARM.D.
• Jennifer T Nguyen, DMD
• Jimmy Nguyen, M.ED.
• Kathy Nguyen
• Kiet Trung Nguyen, M.D.

• Mental Health Counselor in Fairfax, VA
• Providers in Fairfax, 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 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.