NPIMap

Organization Active NPI

United Medical Centers

  • Federally Qualified Health Center (FQHC)
  • Eagle Pass, TX
National Provider Identifier
1821411224
Registry record updated Apr 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Federally Qualified Health Center (FQHC)Taxonomy code 261QF0400X
Legal business name
UNITED MEDICAL CENTERS
Practice address
4018 El Indio Hwy
Eagle Pass, TX 78852-6690
Phone
(830) 872-3460
Fax
(830) 872-3470
NPI assigned
Jan 22, 2014
Last updated
Apr 15, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
UNITED MEDICAL CENTERSAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Apr 15, 2026

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

Authorized official

Name
William Worrell
Title
Ceo
Phone
(830) 773-8917

Specialties & licenses 12

Specialty (taxonomy)CodeLicenseStatePrimary
Federally Qualified Health Center (FQHC) 261QF0400X TX Primary
Physician Assistant 363A00000X
Family Nurse Practitioner 363LF0000X
Mental Health Counselor 101YM0800X
Clinical Social Worker 1041C0700X
Family Medicine Physician 207Q00000X
Internal Medicine Physician 207R00000X
Interventional Cardiology Physician 207RI0011X
Obstetrics & Gynecology Physician 207V00000X TX
Pediatrics Physician 208000000X
General Practice Physician 208D00000X
Podiatrist 213E00000X TX

Addresses

Primary practice location

4018 El Indio Hwy
Eagle Pass, TX 78852-6690

Mailing address

PO Box 1470
Eagle Pass, TX 78853-1470
Phone (830) 773-8917

Other identifiers 2

IdentifierTypeStateIssuer
137809302 (GROUPALL)MedicaidTX
137809314 (FQHC SITEMedicaidTX

Other names 1

  • El Indio Hwy Clinic Other name

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20140422001428 TX Part A Provider - Federally Qualified Health Center (FQHC) 7618957135 Practice locations: Eagle Pass, TX

NPI to CCN mapping 1

The Medicare certification numbers (CCNs) connected to NPI 1821411224. Details of each certification follow.

Federally qualified health center certification: CCN 741839

Legal name
UNITED MEDICAL CENTERS
Certification status
Active
Provider type (POS)
Federally qualified health center
Participating since
Apr 21, 2014
Last certification
Apr 21, 2014
Ownership / control type
For profit – corporation
Organization structure
CorporationNon-profit
Incorporated
Jul 24, 1978 in TX
Enrollment address
4018 El Indio Hwy
Eagle Pass, TX 78852-6690

Other NPIs with the same Medicare PAC ID 10

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

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
45D2076569United Medical Centers4018 El Indio Hwy, Eagle Pass, TX 78852AccreditationOct 26, 2026

National Provider Directory

National Provider Directory
Tax ID family
United Medical Centers10 organizations share this tax ID, including this one
Part of
United Medical Centers

Other organizations with this tax ID 9

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

Ownership & related parties

All disclosed owners & managing parties 4

As disclosed on the Medicare enrollment (CMS All Owners files). Individuals include officers, directors and managing employees, who may not hold ownership.

NameRoleSinceShare
Alma Gonzalez Individual W-2 Managing Employee Jan 27, 2014
William M Worrell Individual Corporate OfficerChief Executive Officer Jan 4, 2016 100%
Operational/Managerial ControlChief Executive Officer Jan 4, 2016 100%
OtherChief Executive Officer Jan 4, 2016
Lydia T Olvera Individual W-2 Managing Employee Nov 17, 2017
Rafael E Olvera Individual Corporate OfficerChief Financial Officer Jun 18, 2010 100%
Operational/Managerial ControlChief Financial Officer Jun 18, 2010 100%
OtherChief Financial Officer Jun 18, 2010

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

NPI Registry JSON

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

{
    "created_epoch": "1390348800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776211200000",
    "number": "1821411224",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1470",
            "city": "EAGLE PASS",
            "state": "TX",
            "postal_code": "788531470",
            "telephone_number": "830-773-8917",
            "fax_number": "830-773-1892"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4018 EL INDIO HWY",
            "city": "EAGLE PASS",
            "state": "TX",
            "postal_code": "788526690",
            "telephone_number": "830-872-3460",
            "fax_number": "830-872-3470"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "UNITED MEDICAL CENTERS",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "UNITED MEDICAL CENTERS",
        "enumeration_date": "2014-01-22",
        "last_updated": "2026-04-15",
        "certification_date": "2026-04-15",
        "status": "A",
        "authorized_official_last_name": "WORRELL",
        "authorized_official_first_name": "WILLIAM",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "830-773-8917"
    },
    "taxonomies": [
        {
            "code": "261QF0400X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Federally Qualified Health Center (FQHC)",
            "state": "TX",
            "license": null,
            "primary": true
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "TX",
            "license": null,
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "213E00000X",
            "taxonomy_group": "",
            "desc": "Podiatrist",
            "state": "TX",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "137809302 (GROUPALL)",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "137809314 (FQHC SITE",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "El Indio Hwy Clinic",
            "code": "5",
            "type": "Other Name"
        },
        {
            "organization_name": "El Indio Hwy Clinic",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Eagle Pass, TX

Sources for this page

Verify at the official NPI Registry.