Josiah Nguyen

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

11800 Sunrise Valley Dr Ste 700
Reston, VA 20191-5315

Phone

(703) 834-1473

NPI assigned

Jun 24, 2025

Sex

Male

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

Enrolled in DC

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Fairfax Family Practice Centers PCGroup PAC ID 4082513031, 106 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jnguyen1631008@soc.inova.org

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.

• Fairfax Family Practice Centers PC

  • Family Medicine Physician
  • Herndon, VA
  • NPI 1205944964

  DC, Physician Assistant

  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1750723200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750723200000",
    "number": "1063300788",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1501 LAKESIDE DR",
            "city": "LYNCHBURG",
            "state": "VA",
            "postal_code": "245013113"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11800 SUNRISE VALLEY DR STE 700",
            "city": "RESTON",
            "state": "VA",
            "postal_code": "201915315",
            "telephone_number": "703-834-1473"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "JOSIAH",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-06-24",
        "last_updated": "2025-06-24",
        "certification_date": "2025-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• New Image Plastic Surgery Associates,PLC
• Next Step Therapy, PLLC
• Amanda Ngui-Yen, D.C.
• Giang Nguyen
• Hang T Nguyen
• Lo an T Nguyen, MD
• Nhi Phuong Tran Nguyen
• Phi Anh Nguyen, PHARM D
• Phong Quang Nguyen, MD
• Phuong Dung Nguyen

• Physician Assistant in Reston, VA
• Providers in Reston, VA by specialty
• Physician Assistant in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.