Advanced Southern Gastroenterology PLLC

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

Legal business name

ADVANCED SOUTHERN GASTROENTEROLOGY PLLC

Practice address

535 Gordon St
Corpus Christi, TX 78404-2535

Phone

(361) 320-1890

NPI assigned

Mar 31, 2026

Last updated

Jul 29, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Mr. Amir R Ahmed, MDNPI 1205824810

Title

President

Phone

(832) 622-6621

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in TX

Enrollment records 1

Locations

Practitioners 3

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.

• Amir R Ahmed, M.D.

  • Gastroenterology Physician
  • Columbia, SC
  • NPI 1205824810

  TX

  Medicare reassignment Care Compare group NPD Authorized official
• Alyssa Canales, MSN, AGACNP-BC

  • Acute Care Nurse Practitioner
  • Corpus Christi, TX
  • NPI 1013633742
  Medicare reassignment Care Compare group NPD
• Hana Svejdova

  • Family Nurse Practitioner
  • New York, NY
  • NPI 1487168415

  TX

  Medicare reassignment

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

{
    "created_epoch": "1774915200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785283200000",
    "number": "1881534501",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "27211 ASHFORD SKY LN",
            "city": "KATY",
            "state": "TX",
            "postal_code": "774943715",
            "fax_number": "361-320-1891"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "535 GORDON ST",
            "city": "CORPUS CHRISTI",
            "state": "TX",
            "postal_code": "784042535",
            "telephone_number": "361-320-1890"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "601 E San Antonio St Ste 303W",
            "address_purpose": "LOCATION",
            "city": "Victoria",
            "state": "TX",
            "postal_code": "779016002",
            "country_code": "US",
            "telephone_number": "361-320-1890",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "ADVANCED SOUTHERN GASTROENTEROLOGY PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-03-31",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A",
        "authorized_official_last_name": "AHMED",
        "authorized_official_first_name": "AMIR",
        "authorized_official_middle_name": "R",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "832-622-6621",
        "authorized_official_name_prefix": "Mr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Gastroenterology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Advanced Hearing Solutions of South Texas Inc
• Advanced Home & Community Care, Inc.
• Advanced Kidney and Hypertension Center, PLLC
• Advanced Lymphedema Specialists
• Advanced Medical Care P.a.
• Advanced Steps Medical Equipment, Inc
• Carl H Aeby, DPM
• Aegis Group Practice LLC
• Aeon Homecare & Hospice, LLC
• Affiliated Therapy Group Practice, Inc

• Gastroenterology Physician in Corpus Christi, TX
• Providers in Corpus Christi, TX by specialty
• Gastroenterology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.