Gastroenterology Associates of Northern Virginia, LLC

Primary specialty

Non-Pharmacy Dispensing SiteTaxonomy code 332900000X

Legal business name

GASTROENTEROLOGY ASSOCIATES OF NORTHERN VIRGINIA, LLC

Practice address

3028 Javier Rd Ste 300
Fairfax, VA 22031-4622

Phone

(865) 303-8207

Fax

(305) 675-3378

NPI assigned

Jul 20, 2023

Organization subpart

Yes

Parent organization

GASTROENTEROLOGY ASSOCIATES OF NORTHERN VIRGINIA, LLCAs reported in NPPES

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Alan Oliver

Title

Ceo

Phone

(786) 530-3820

Specialties & licenses 1

Addresses

Other names 1

• VA NCPDP Other name

Tax ID family

Gastro Assoc of N VA LLC4 organizations share this tax ID, including this one

Part of

Gastro Assoc of N VA LLC

Other organizations with this tax ID 3

Organizations that report the same tax identification number in the National Provider Directory.

• Gastroenterology Associates of Northern Virginia, LLC

  • Gastroenterology Physician
  • Fairfax, VA
  • NPI 1053096461
  NPD tax ID
• Gastroenterology Associates of Northern Virginia, LLC

  • Ambulatory Surgical Clinic/Center
  • Fairfax, VA
  • NPI 1578341780
  NPD tax ID
• Gastroenteroloy Associates of Northern Virginia, LTD.

  • Specialist
  • Fairfax, VA
  • NPI 1568508414
  NPD tax ID

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

• Gastroenterology Associates of Northern Virginia, LLC

  • Gastroenterology Physician
  • Fairfax, VA
  • NPI 1205884368
  NPPES parent name

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

{
    "created_epoch": "1689811200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1747267200000",
    "number": "1629758180",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9500 S DADELAND BLVD STE 200",
            "city": "MIAMI",
            "state": "FL",
            "postal_code": "331562866",
            "telephone_number": "305-468-4185",
            "fax_number": "305-675-3378"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3028 JAVIER RD STE 300",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220314622",
            "telephone_number": "865-303-8207",
            "fax_number": "305-675-3378"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GASTROENTEROLOGY ASSOCIATES OF NORTHERN VIRGINIA, LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "GASTROENTEROLOGY ASSOCIATES OF NORTHERN VIRGINIA, LLC",
        "enumeration_date": "2023-07-20",
        "last_updated": "2025-05-15",
        "certification_date": "2025-05-15",
        "status": "A",
        "authorized_official_last_name": "OLIVER",
        "authorized_official_first_name": "ALAN",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "786-530-3820"
    },
    "taxonomies": [
        {
            "code": "332900000X",
            "taxonomy_group": "",
            "desc": "Non-Pharmacy Dispensing Site",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "VA NCPDP",
            "code": "5",
            "type": "Other Name"
        },
        {
            "organization_name": "VA NCPDP",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Stephen Gassaway
• Gastro Virginia LLC
• Gastroenterology Associates of Northern Virginia, LLC
• Gastroenterology Associates of Northern Virginia, LLC
• Gastroenterology Associates of Northern Virginia, LLC
• Gastroenterology Consultants of Northern Virginia PLC
• Gastroenteroloy Associates of Northern Virginia, LTD.
• Gastrointestinal Medicine Associates
• Gastrointestinal Medicine Associates, PC
• Sylvie C Gatcham Tieuzu'U

• Non-Pharmacy Dispensing Site in Fairfax, VA
• Providers in Fairfax, VA by specialty
• Non-Pharmacy Dispensing Site in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 15, 2025; 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.