Organization Active NPI

Caduceus Physician Associates PLLC

  • Emergency Medicine Physician
  • Houston, TX
National Provider Identifier
1457217010
Registry record updated Dec 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
Legal business name
CADUCEUS PHYSICIAN ASSOCIATES PLLC
Practice address
1535 West Loop S Ste 450
Houston, TX 77027-9510
Phone
(607) 437-7902
NPI assigned
Dec 29, 2025
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Dec 29, 2025

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

Authorized official

Name
Darleen Callahan
Title
Vicepresident, Revenue Cycle
Phone
(607) 437-7902

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207P00000X Primary

Addresses

Primary practice location

1535 West Loop S Ste 450
Houston, TX 77027-9510

Mailing address

1535 West Loop S Ste 450
Houston, TX 77027-9510
Phone (607) 437-7902

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20260420002401 TX Part B Supplier - Clinic/Group Practice 1557837234 Receives reassigned benefits from 1 practitioner
Practice locations: Houston, TX

National Provider Directory

National Provider Directory

Locations

1535 West Loop S
Ste 450
Houston, TX 77027
Phone (832) 219-3833

Practitioners & affiliated clinicians

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1766966400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1766966400000",
    "number": "1457217010",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1535 WEST LOOP S STE 450",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770279510",
            "telephone_number": "607-437-7902"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1535 WEST LOOP S STE 450",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770279510",
            "telephone_number": "607-437-7902"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CADUCEUS PHYSICIAN ASSOCIATES PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-12-29",
        "last_updated": "2025-12-29",
        "certification_date": "2025-12-29",
        "status": "A",
        "authorized_official_last_name": "CALLAHAN",
        "authorized_official_first_name": "DARLEEN",
        "authorized_official_title_or_position": "VICEPRESIDENT, REVENUE CYCLE",
        "authorized_official_telephone_number": "607-437-7902"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Emergency Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 29, 2025; 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.