NPIMap

Organization Active NPI

Gastrointestinal Associates, LLC

  • Gastroenterology Physician
  • Columbia, MO
National Provider Identifier
1912950585
Registry record updated Jun 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
Legal business name
GASTROINTESTINAL ASSOCIATES, LLC
Practice address
210 Portland St Ste 100
Columbia, MO 65201-6677
Phone
(573) 777-8818
Fax
(573) 777-8819
NPI assigned
May 18, 2006
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 30, 2026

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

Authorized official

Name
James J Weber, MD
Title
Ceo/Authorized Official
Phone
(573) 777-8818

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207RG0100X Primary

Addresses

Primary practice location

210 Portland St Ste 100
Columbia, MO 65201-6677

Mailing address

210 Portland St Ste 100
Columbia, MO 65201-6677
Phone (573) 777-8818

Other names 1

  • Gastrointestinal Associates, LLP Former legal business name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20070103000068 MO Part B Supplier - Clinic/Group Practice 9537166236 Receives reassigned benefits from 37 practitioners
Practice locations: Columbia, MO

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
26D2272060Gastrointestinal Associates LLC210 Portland St, Suite 100, Columbia, MO 65201ComplianceSep 19, 2027

National Provider Directory

National Provider Directory

Member of 1

Organizations this organization is a member of, according to the National Provider Directory.

Locations

210 Portland St
Columbia, MO 65201

3520 W Edgewood Dr
Jefferson City, MO 65109
Phone (573) 556-7765

Interoperability endpoints

  • FHIR API: https://ff23a4b4-465d-44fa-a7d8-99a59a9660e5.gastro.prod.fhir.ema-api.com/fhir/r4/

Practitioners & affiliated clinicians

Practitioners 37

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

View all 37

NPI Registry JSON

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

{
    "created_epoch": "1147910400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782777600000",
    "number": "1912950585",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "210 PORTLAND ST STE 100",
            "city": "COLUMBIA",
            "state": "MO",
            "postal_code": "652016677",
            "telephone_number": "573-777-8818",
            "fax_number": "573-777-8819"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "210 PORTLAND ST STE 100",
            "city": "COLUMBIA",
            "state": "MO",
            "postal_code": "652016677",
            "telephone_number": "573-777-8818",
            "fax_number": "573-777-8819"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GASTROINTESTINAL ASSOCIATES, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-05-18",
        "last_updated": "2026-06-30",
        "certification_date": "2026-06-30",
        "status": "A",
        "authorized_official_last_name": "WEBER",
        "authorized_official_first_name": "JAMES",
        "authorized_official_middle_name": "J",
        "authorized_official_title_or_position": "CEO/AUTHORIZED OFFICIAL",
        "authorized_official_telephone_number": "573-777-8818",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Gastroenterology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Gastrointestinal Associates, LLP",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

Other providers in Columbia, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.