Active NPI
Gastrointestinal Associates, LLC
- Gastroenterology Physician
- Columbia, MO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- 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
- Last updated
- Jun 30, 2026
- Organization subpart
- No
NPPES NPI Registry
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) | Code | License | State | Primary |
|---|---|---|---|---|
| Gastroenterology Physician | 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
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MO
Enrollment records 1
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 26D2272060 | Gastrointestinal Associates LLC | Compliance | Sep 19, 2027 |
National Provider Directory
National Provider DirectoryMember of 1
Organizations this organization is a member of, according to the National Provider Directory.
-
- Gastroenterology Physician
- Cary, NC
- NPI 1619790821
Member Of
Locations
210 Portland St
Columbia, MO 65201
Interoperability endpoints
- 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, and the practitioner matching its NPPES authorized official.
-
- Gastroenterology Physician
- Columbia, MO
- NPI 1649533878
-
- Gastroenterology Physician
- Columbia, MO
- NPI 1588644488
-
- Family Nurse Practitioner
- Columbia, MO
- NPI 1558131078
-
- Certified Registered Nurse Anesthetist
- Columbia, MO
- NPI 1194309351
-
- Certified Registered Nurse Anesthetist
- Columbia, MO
- NPI 1417210949
-
- Gastroenterology Physician
- Columbia, MO
- NPI 1841244191
-
- Certified Registered Nurse Anesthetist
- Columbia, MO
- NPI 1760808182
-
- Certified Registered Nurse Anesthetist
- Columbia, MO
- NPI 1174946610
-
- Gastroenterology Physician
- Columbia, MO
- NPI 1942268206
-
- Family Nurse Practitioner
- Columbia, MO
- NPI 1306499520
-
- Certified Registered Nurse Anesthetist
- Columbia, MO
- NPI 1952460818
-
- Certified Registered Nurse Anesthetist
- Columbia, MO
- NPI 1033174800
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.