Individual provider Active NPI

Olivia Ivonne Castro, MD

  • Pediatrics Physician
  • San Antonio, TX
National Provider Identifier
1811296569
Registry record updated Oct 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
P9172 Issued in TX
Practice address
540 Oak Centre Dr Ste 200
San Antonio, TX 78258-3937
Phone
(210) 705-5001
NPI assigned
Mar 21, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 22, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X P9172 TX Primary

Addresses

Primary practice location

540 Oak Centre Dr Ste 200
San Antonio, TX 78258-3937

Mailing address

540 Oak Centre Dr Ste 200
San Antonio, TX 78258-3937
Phone (210) 705-5001

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
I20151207001307 TX Practitioner - Pediatric Medicine 6608176102 Reassigns benefits to 2 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
P9172TXMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Community Medicine Associates Pediatrics CurrentSince Nov 1, 2015 Accepting new patients
Christus Trinity Clinic Texas Pediatrics CurrentSince Mar 1, 2023 Accepting new patients
Christus Trinity Clinic Texas CurrentSince Mar 1, 2023 Accepting new patients
Pain Management Specialists PastSince Feb 7, 2021 Accepting new patients

Locations

302 Dora St
San Antonio, TX 78212
Phone (210) 644-8000

540 Oak Centre Dr
Ste 200
San Antonio, TX 78258
Phone (210) 403-2229

903 W Martin St
#492
San Antonio, TX 78207
Phone (210) 358-3441

630 S Fleishel Ave
Tyler, TX 75701
Phone (903) 510-8888

Interoperability endpoints

  • Direct secure messaging: ocastro27272@uhssa.direct-ci.com
  • Direct secure messaging: ocastro300870@christushealth.direct-ci.net

Organizations & group practices 4

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": "1300665600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1811296569",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "540 OAK CENTRE DR STE 200",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782583937",
            "telephone_number": "210-705-5001",
            "fax_number": "210-705-5004"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "540 OAK CENTRE DR STE 200",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782583937",
            "telephone_number": "210-705-5001"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTRO",
        "first_name": "OLIVIA",
        "middle_name": "IVONNE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-03-21",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "TX",
            "license": "P9172",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.