Individual provider Active NPI

Madeleine Christine Howells, DO

  • Anesthesiology Physician
  • San Antonio, TX
National Provider Identifier
1861133654
Registry record updated Jun 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
W4117 Issued in TX
Practice address
7703 Floyd Curl Dr
San Antonio, TX 78229-3900
Phone
(210) 567-4509
NPI assigned
Apr 5, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 23, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X W4117 TX Primary

Addresses

Primary practice location

7703 Floyd Curl Dr
San Antonio, TX 78229-3900

Mailing address

7703 Floyd Curl Dr
San Antonio, TX 78229-3901
Phone (210) 567-4509

Other practice location 1

4502 Medical Dr
San Antonio, TX 78229-4402
Phone (210) 358-4000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260428000902 TX Practitioner - Anesthesiology 3173090172 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of North Texas HSC, College of Osteopathic Med, 2022
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

5001 LBJ Fwy
Suite 320
Dallas, TX 75244

633 S Saint Marys St
Unit 2115
San Antonio, TX 78205-2805

8431 Fredericksburg Rd
FL 5
San Antonio, TX 78229-3392

903 W Martin St
San Antonio, TX 78207-0903

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
W4117TXMDAnesthesiology Physician

Interoperability endpoints

  • Direct secure messaging: mhowells34149@direct.utmsa.com

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1649116800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782172800000",
    "number": "1861133654",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7703 FLOYD CURL DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782293901",
            "telephone_number": "210-567-4509"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7703 FLOYD CURL DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782293900",
            "telephone_number": "210-567-4509"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4502 Medical Dr",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782294402",
            "country_code": "US",
            "telephone_number": "210-358-4000",
            "fax_number": "210-358-4775",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOWELLS",
        "first_name": "MADELEINE",
        "middle_name": "CHRISTINE",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-04-05",
        "last_updated": "2026-06-23",
        "certification_date": "2026-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TX",
            "license": "W4117",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.