NPIMap

Organization Active NPI

Houston Northwest Operating Company, LLC

  • Emergency Care Clinic/Center
  • Spring, TX
National Provider Identifier
1083550818
Registry record updated Apr 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Care Clinic/CenterTaxonomy code 261QE0002X
Legal business name
HOUSTON NORTHWEST OPERATING COMPANY, LLC
Practice address
621 Rayford Rd
Spring, TX 77386-1921
Phone
(281) 440-1000
NPI assigned
Apr 24, 2026
Organization subpart
Yes
Parent organization
HOUSTON NORTHWEST OPERATING COMPANY, LLCAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Apr 24, 2026

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

Authorized official

Name
Thomas A Holt
Title
Cfo
Phone
(281) 440-1000

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Care Clinic/Center 261QE0002X Primary

Addresses

Primary practice location

621 Rayford Rd
Spring, TX 77386-1921

Mailing address

621 Rayford Rd
Spring, TX 77386-1921
Phone (281) 440-1000

Other names 1

  • HCA Houston ER 24/7-Spring, a department of HCA Houston Healthcare Northwest Doing business as

Electronic endpoints 1

TypeEndpointUseAffiliation
CONNECT URL https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other Ability Network

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
45D2207415HCA Houston ER 24/7, a Department of HCA Houston621 Rayford Road, Spring, TX 77386AccreditationJun 21, 2028

National Provider Directory

National Provider Directory
Tax ID family
Houston Northwest Operating Company LLC3 organizations share this tax ID, including this one
Part of
Houston Northwest Operating Company LLC

Other organizations with this tax ID 2

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

Ownership & related parties

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": "1776988800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776988800000",
    "number": "1083550818",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "621 RAYFORD RD",
            "city": "SPRING",
            "state": "TX",
            "postal_code": "773861921",
            "telephone_number": "281-440-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "621 RAYFORD RD",
            "city": "SPRING",
            "state": "TX",
            "postal_code": "773861921",
            "telephone_number": "281-440-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "HOUSTON NORTHWEST OPERATING COMPANY, LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "HOUSTON NORTHWEST OPERATING COMPANY, LLC",
        "enumeration_date": "2026-04-24",
        "last_updated": "2026-04-24",
        "certification_date": "2026-04-24",
        "status": "A",
        "authorized_official_last_name": "HOLT",
        "authorized_official_first_name": "THOMAS",
        "authorized_official_middle_name": "A",
        "authorized_official_title_or_position": "CFO",
        "authorized_official_telephone_number": "281-440-1000"
    },
    "taxonomies": [
        {
            "code": "261QE0002X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Emergency Care",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "affiliationName": "Ability Network",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "64 S Price Rd",
            "city": "Brownsville",
            "state": "TX",
            "country_code": "US",
            "postal_code": "785212459",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "organization_name": "HCA Houston ER 24/7-Spring, a department of HCA Houston Healthcare Northwest",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Spring, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • 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.