Individual provider Active NPI

Mario E Ruiz, MD

  • Pediatric Radiology Physician
  • San Antonio, TX
National Provider Identifier
1174569842
Registry record updated Sep 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Radiology PhysicianTaxonomy code 2085P0229X
License
K1917 Issued in TX
Practice address
18126 Prestonshire
San Antonio, TX 78258-4473
Phone
(210) 844-7575
Fax
(210) 493-8297
NPI assigned
Jun 21, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 14, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Radiology Physician 2085P0229X K1917 TX Primary

Addresses

Primary practice location

18126 Prestonshire
San Antonio, TX 78258-4473

Mailing address

18126 Prestonshire
San Antonio, TX 78258-4473
Phone (210) 844-7575

Other identifiers 1

IdentifierTypeStateIssuer
117724806MedicaidTX

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
I20040604000178 TX Practitioner - Diagnostic RadiologyPractitioner - Interventional Pain Management 9931181773 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Other, 1984
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Singleton Associates PAGroup PAC ID 6305731118, 814 clinicians
Valley Radiologists and AssociatesGroup PAC ID 5092798645, 12 clinicians
RFC Radiology Associates LLCGroup PAC ID 8022141894, 33 clinicians

Practice addresses (Care Compare)

18126 Prestonshire
San Antonio, TX 78258-4473
Phone (281) 870-4592

2101 Pease St
Harlingen, TX 78550-8307
Phone (956) 389-1100

26 S Coria St B
Dr. Francis M. Gumbel
Brownsville, TX 78520-7566
Phone (956) 546-8677

330 W Expressway
Suite 83
Weslaco, TX 78599-4332
Phone (956) 975-2300

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
K1917TXMDPediatric Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Singleton Associates PA CurrentSince Jun 1, 2019 Accepting new patients
The University of Texas Rio Grande Valley CurrentSince Nov 21, 2025 Accepting new patients
University of Texas Health Science Center at San Antonio CurrentSince Jun 1, 2020 Accepting new patients
The University of Texas Rio Grande Valley CurrentSince Nov 21, 2025 Accepting new patients
Singleton Associates PA Pediatric Radiology CurrentSince Jun 1, 2019 Accepting new patients
University of Texas Health Science Center at San Antonio Current Accepting new patients
The University of Texas Health Science Center at San Antonio CurrentSince Jun 1, 2020 Accepting new patients
Edinburg Radiology, LLP CurrentSince Aug 1, 2011 Accepting new patients
RFC Radiology Associates LLC CurrentSince Oct 1, 2025 Accepting new patients
Imagecare Radiology PLLC PastSince Jan 14, 2024 Accepting new patients
South Texas Urgent Care, PLLC PastSince Apr 4, 2012 Accepting new patients
University of Texas Rio Grande Valley Past Accepting new patients

Locations

140 Frontage Rd
Alamo, TX 78516
Phone (956) 403-5100

3216 S Sugar Rd
Edinburg, TX 78539

3216 S Sugar Rd
Unit H
Edinburg, TX 78539
Phone (956) 928-1882

1102 W Trenton Rd
Edinburg, TX 78539
Phone (956) 388-6500

2001 N Oregon St
El Paso, TX 79902
Phone (915) 577-6011

1110 N Sarah Dewitt Dr
Gonzales, TX 78629
Phone (830) 672-3845

2902 Haine Dr
Harlingen, TX 78550
Phone (956) 296-3821

2102 Treasure Hills Blvd
Harlingen, TX 78550
Phone (956) 296-1437

6720 Bertner Ave
#2270
Houston, TX 77030
Phone (832) 355-4092

1400 N Commerce Ctr
Ste 2350
McAllen, TX 78501
Phone (956) 296-4900

301 W Expressway 83
McAllen, TX 78503
Phone (956) 467-9552

2810 W Expressway 83
Mercedes, TX 78570
Phone (956) 296-1831

3910 N Jackson Rd
Pharr, TX 78577
Phone (956) 928-1882

7946 W Loop 1604 N FL 1
San Antonio, TX 78254

111 Dallas St
San Antonio, TX 78205
Phone (210) 297-7000

7703 Floyd Curl Dr
San Antonio, TX 78229
Phone (210) 450-3700

333 N Santa Rosa
San Antonio, TX 78207
Phone (210) 704-2190

4502 Medical Dr
San Antonio, TX 78229
Phone (210) 358-3555

330 W Interstate 2
Weslaco, TX 78599
Phone (956) 520-3300

Organizations & group practices 13

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.

View all 13

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": "1150848000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789344000000",
    "number": "1174569842",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18126 PRESTONSHIRE",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782584473",
            "telephone_number": "210-844-7575",
            "fax_number": "210-493-8297"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18126 PRESTONSHIRE",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782584473",
            "telephone_number": "210-844-7575",
            "fax_number": "210-493-8297"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RUIZ",
        "first_name": "MARIO",
        "middle_name": "E",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-06-21",
        "last_updated": "2026-09-14",
        "certification_date": "2026-09-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085P0229X",
            "taxonomy_group": "",
            "desc": "Radiology, Pediatric Radiology",
            "state": "TX",
            "license": "K1917",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "117724806",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.