NPIMap

Organization Active NPI

Southwest Mississippi Regional Medical Center

Doing business as Gastroenterlogy Associates

  • Gastroenterology Physician
  • McComb, MS
National Provider Identifier
1467401331
Registry record updated Feb 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
Legal business name
SOUTHWEST MISSISSIPPI REGIONAL MEDICAL CENTER
Doing business as
Gastroenterlogy Associates
Southwest Gastroenterology Associates
Practice address
300 Rawls Dr Ste I
McComb, MS 39648-2877
Phone
(601) 249-4710
Fax
(601) 249-4716
NPI assigned
May 9, 2006
Last updated
Feb 27, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Feb 27, 2026

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

Authorized official

Name
Mrs. Charla Rowley
Title
Ceo
Phone
(601) 249-1805

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X Primary

Addresses

Primary practice location

300 Rawls Dr Ste I
McComb, MS 39648-2877

Mailing address

PO Box 490
McComb, MS 39649-0490
Phone (601) 249-2701

Other identifiers 1

IdentifierTypeStateIssuer
09015927MedicaidMS

Other names 2

  • GASTROENTERLOGY ASSOCIATES Doing business as
  • Southwest Gastroenterology Associates Doing business as

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20080512000004 MS Part B Supplier - Clinic/Group Practice 5193633907 Receives reassigned benefits from 86 practitioners
28 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: McComb, MS; Summit, MS; Monticello, MS

Other NPIs on the same Medicare enrollment 22

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

View all 22

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
25D0919056Smrmc Dba Southwest Gastroenterology Associates300 Rawls Dr Ste I, McComb, MS 39648Certificate of waiverAug 26, 2026

National Provider Directory

National Provider Directory
Tax ID family
SW Mississippi Reg Med Ctr35 organizations share this tax ID, including this one

Other organizations with this tax ID 34

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

View all 34

Locations

300 Rawls Dr
Ste 1200
McComb, MS 39648
Phone (601) 249-4282

300 Rawls Dr
Ste 700
McComb, MS 39648
Phone (601) 250-4381

300 Rawls Dr
Ste F
McComb, MS 39648
Phone (601) 249-4282

Practitioners & affiliated clinicians

Practitioners 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1147132800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772150400000",
    "number": "1467401331",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 490",
            "city": "MCCOMB",
            "state": "MS",
            "postal_code": "396490490",
            "telephone_number": "601-249-2701",
            "fax_number": "601-249-2195"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 RAWLS DR STE I",
            "city": "MCCOMB",
            "state": "MS",
            "postal_code": "396482877",
            "telephone_number": "601-249-4710",
            "fax_number": "601-249-4716"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SOUTHWEST MISSISSIPPI REGIONAL MEDICAL CENTER",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-05-09",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-27",
        "status": "A",
        "authorized_official_last_name": "ROWLEY",
        "authorized_official_first_name": "CHARLA",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "601-249-1805",
        "authorized_official_name_prefix": "Mrs."
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "09015927",
            "state": "MS"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "GASTROENTERLOGY ASSOCIATES",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Southwest Gastroenterology Associates",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in McComb, MS

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 27, 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.