NPIMap

Organization Active NPI

South Heart Clinic, PLLC

  • Cardiovascular Disease Physician
  • Harlingen, TX
National Provider Identifier
1851626352
Registry record updated Feb 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
Legal business name
SOUTH HEART CLINIC, PLLC
Practice address
2310 N Ed Carey Dr Ste 1a
Harlingen, TX 78550-8200
Phone
(956) 428-5522
Fax
(956) 412-5109
NPI assigned
Oct 16, 2009
Last updated
Feb 25, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Feb 25, 2026

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

Authorized official

Name
Antonio Romero
Title
Ceo
Phone
(956) 428-5522

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207R00000X
Cardiovascular Disease PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RC0000X Primary
Clinical Cardiac Electrophysiology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RC0001X
Interventional Cardiology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RI0011X
Nuclear Cardiology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207UN0901X

Addresses

Primary practice location

2310 N Ed Carey Dr Ste 1a
Harlingen, TX 78550-8200

Mailing address

2310 N Ed Carey Dr
Suite 1a
Harlingen, TX 78550-8200
Phone (956) 428-5522

Other practice location 1

1117 James St
Weslaco, TX 78596-6656
Phone (956) 968-6430

Other practice location 2

100 E Alton Gloor Blvd Bldg C
Brownsville, TX 78526-3328
Phone (956) 406-0980

Other practice location 3

100 E Ridge Rd Ste A
McAllen, TX 78503-1346
Phone (956) 322-5961

Other practice location 4

512 Victoria Ln Ste 12
Harlingen, TX 78550-3228
Phone (956) 368-5228

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20091231000359 TX Part B Supplier - Clinic/Group Practice 1355482035 Receives reassigned benefits from 18 practitioners
Practice locations: Brownsville, TX; Harlingen, TX; Weslaco, TX

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
45D2007934South Heart Clinic PLLC2310 N Ed Carey Dr Ste 1a, Harlingen, TX 78550Certificate of waiverMay 27, 2028
45D2009223South Heart Clinic, PLLC - Weslaco Satillite1117 James St, Weslaco, TX 78596RegistrationApr 12, 2028

National Provider Directory

National Provider Directory
Tax ID family
South Heart Clinic PLLC2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

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

Locations

2310 N Ed Carey Dr
Harlingen, TX 78550
Phone (956) 428-5522

2310 N Ed Carey Dr
#1A
Harlingen, TX 78550
Phone (956) 428-5522

101 E Ridge Rd
Ste A
McAllen, TX 78503

1117 James St
Weslaco, TX 78596
Phone (956) 968-6430

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/EGDCDA

Ownership & related parties

Subparts reporting this organization as parent 1

Organizations that report themselves as subparts in NPPES and name this organization, in the same state, as their parent.

Practitioners & affiliated clinicians

Practitioners 19

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.

View all 19

NPI Registry JSON

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

{
    "created_epoch": "1255651200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1771977600000",
    "number": "1851626352",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2310 N ED CAREY DR",
            "address_2": "SUITE 1A",
            "city": "HARLINGEN",
            "state": "TX",
            "postal_code": "785508200",
            "telephone_number": "956-428-5522"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2310 N ED CAREY DR STE 1A",
            "city": "HARLINGEN",
            "state": "TX",
            "postal_code": "785508200",
            "telephone_number": "956-428-5522",
            "fax_number": "956-412-5109"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1117 James St",
            "address_purpose": "LOCATION",
            "city": "Weslaco",
            "state": "TX",
            "postal_code": "785966656",
            "country_code": "US",
            "telephone_number": "956-968-6430",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 E Alton Gloor Blvd Bldg C",
            "address_purpose": "LOCATION",
            "city": "Brownsville",
            "state": "TX",
            "postal_code": "785263328",
            "country_code": "US",
            "telephone_number": "956-406-0980",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 E Ridge Rd Ste A",
            "address_purpose": "LOCATION",
            "city": "McAllen",
            "state": "TX",
            "postal_code": "785031346",
            "country_code": "US",
            "telephone_number": "956-322-5961",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "512 Victoria Ln Ste 12",
            "address_purpose": "LOCATION",
            "city": "Harlingen",
            "state": "TX",
            "postal_code": "785503228",
            "country_code": "US",
            "telephone_number": "956-368-5228",
            "fax_number": "956-368-5226",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "SOUTH HEART CLINIC, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2009-10-16",
        "last_updated": "2026-02-25",
        "certification_date": "2026-02-25",
        "status": "A",
        "authorized_official_last_name": "ROMERO",
        "authorized_official_first_name": "ANTONIO",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "956-428-5522"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207UN0901X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nuclear Medicine, Nuclear Cardiology",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Harlingen, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 25, 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.