NPIMap

Organization Active NPI

Rio Grande Valley Adult & Internal Medicine Specialists PLLC

  • Internal Medicine Physician
  • Weslaco, TX
National Provider Identifier
1528039120
Registry record updated Sep 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
J9202 Issued in TX
Legal business name
RIO GRANDE VALLEY ADULT & INTERNAL MEDICINE SPECIALISTS PLLC
Practice address
1010 James St
Weslaco, TX 78596-6654
Phone
(956) 968-1621
Fax
(956) 447-0646
NPI assigned
Jan 31, 2006
Last updated
Sep 28, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 28, 2026

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

Authorized official

Name
Dr. Pedro E. McDougal, M.D.NPI 1144275355
Title
President
Phone
(956) 968-1621

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X J9202 TX Primary

Addresses

Primary practice location

1010 James St
Weslaco, TX 78596-6654

Mailing address

1010 James St
Weslaco, TX 78596-6654
Phone (956) 968-1621

Other practice location 1

1730 E 8th St
Weslaco, TX 78596-6646
Phone (956) 998-4101

Other identifiers 2

IdentifierTypeStateIssuer
155526001MedicaidTX
155526003MedicaidTX

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20050118000786 TX Part B Supplier - Clinic/Group Practice 2769431642 Receives reassigned benefits from 27 practitioners
Practice locations: Weslaco, TX

National Provider Directory

National Provider Directory

Locations

1010 James St
Weslaco, TX 78596
Phone (956) 968-1621

1010 James St
#B
Weslaco, TX 78596
Phone (956) 968-1621

1710 E 8th St
Weslaco, TX 78596
Phone (956) 969-2536

Practitioners & affiliated clinicians

Practitioners 48

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 48

NPI Registry JSON

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

{
    "created_epoch": "1138665600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1790553600000",
    "number": "1528039120",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1010 JAMES ST",
            "city": "WESLACO",
            "state": "TX",
            "postal_code": "785966654",
            "telephone_number": "956-968-1621",
            "fax_number": "956-447-0646"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1010 JAMES ST",
            "city": "WESLACO",
            "state": "TX",
            "postal_code": "785966654",
            "telephone_number": "956-968-1621",
            "fax_number": "956-447-0646"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1730 E 8th St",
            "address_purpose": "LOCATION",
            "city": "Weslaco",
            "state": "TX",
            "postal_code": "785966646",
            "country_code": "US",
            "telephone_number": "956-998-4101",
            "fax_number": "956-998-4104",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "RIO GRANDE VALLEY ADULT & INTERNAL MEDICINE SPECIALISTS PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-01-31",
        "last_updated": "2026-09-28",
        "certification_date": "2026-09-28",
        "status": "A",
        "authorized_official_last_name": "MCDOUGAL",
        "authorized_official_first_name": "PEDRO",
        "authorized_official_middle_name": "E.",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "956-968-1621",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "J9202",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "155526001",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "155526003",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Weslaco, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 28, 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.