Individual provider Active NPI

Santiago Villarreal, M.D.

  • Nephrology Physician
  • San Antonio, TX
National Provider Identifier
1225035199
Registry record updated Oct 6, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
TX8995 Issued in TX
Practice address
4151 Callaghan Rd
Suite 103
San Antonio, TX 78228-3419
Phone
(210) 647-1195
Fax
(210) 521-9473
NPI assigned
Jul 7, 2005
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 6, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X TX8995 TX Primary

Addresses

Primary practice location

4151 Callaghan Rd
Suite 103
San Antonio, TX 78228-3419

Mailing address

4151 Callaghan Rd
Suite 103
San Antonio, TX 78228-3419
Phone (210) 647-1195

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
I20080417000298 TX Practitioner - NephrologyPractitioner - Internal Medicine 5890707152 Practice locations: Pearsall, TX; San Antonio, TX

Care Compare profile

Medicare Care Compare
Specialty
NephrologyAlso: Internal Medicine
Education
Other, 1977
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

151 Medical Dr
Pearsall, TX 78061-6604
Phone (830) 334-4142

4151 Callaghan Rd
San Antonio, TX 78228-3419
Phone (210) 647-1195

Hospital & facility affiliations

  • DaVita San Antonio West Dialysis Dialysis facility, San Antonio, TX, CCN 452587
  • DaVita Pearsall Dialysis Dialysis facility, Pearsall, TX, CCN 452740
  • DaVita Southwest San Antonio Dialysis Dialysis facility, San Antonio, TX, CCN 452605
  • Methodist Hospital Hospital, San Antonio, TX, CCN 450388
  • Baptist Medical Center Hospital, San Antonio, TX, CCN 450058
  • Frio Regional Hospital Hospital, Pearsall, TX, CCN 451391

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
TX8995TXMDNephrology Physician

Interoperability endpoints

  • Direct secure messaging: santiago.villarreal@direct.davitaphysiciansolutions.com

Hospital & facility affiliations 7

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1120694400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1696550400000",
    "number": "1225035199",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4151 CALLAGHAN RD",
            "address_2": "SUITE 103",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782283419",
            "telephone_number": "210-647-1195",
            "fax_number": "210-521-9473"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4151 CALLAGHAN RD",
            "address_2": "SUITE 103",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782283419",
            "telephone_number": "210-647-1195",
            "fax_number": "210-521-9473"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VILLARREAL",
        "first_name": "SANTIAGO",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-07-07",
        "last_updated": "2023-10-06",
        "certification_date": "2023-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "TX",
            "license": "TX8995",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.