Active NPI
Mario E Ruiz, MD
- Pediatric Radiology Physician
- San Antonio, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Radiology Physician
- License
- K1917
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 117724806 | Medicaid | TX |
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
Enrollment records 1
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
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
| License | State | Type | Specialty |
|---|---|---|---|
| K1917 | TX | MD | Pediatric Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Singleton Associates PA | Current | Accepting new patients | |
| The University of Texas Rio Grande Valley | Current | Accepting new patients | |
| University of Texas Health Science Center at San Antonio | Current | Accepting new patients | |
| The University of Texas Rio Grande Valley | Current | Accepting new patients | |
| Singleton Associates PA | Pediatric Radiology | Current | 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 | Current | Accepting new patients | |
| Edinburg Radiology, LLP | Current | Accepting new patients | |
| RFC Radiology Associates LLC | Current | Accepting new patients | |
| Imagecare Radiology PLLC | Past | Accepting new patients | |
| South Texas Urgent Care, PLLC | Past | 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.
-
- Diagnostic Radiology Physician
- McAllen, TX
- NPI 1437478302
-
- Diagnostic Radiology Physician
- Shenandoah, TX
- NPI 1538107875
Pediatric Radiology
-
- Specialist
- Pharr, TX
- NPI 1982827150
-
- Internal Medicine Physician
- Harlingen, TX
- NPI 1477960730
-
- Internal Medicine Physician
- San Antonio, TX
- NPI 1720051717
-
- Diagnostic Radiology Physician
- Harlingen, TX
- NPI 1609866003
-
- Diagnostic Radiology Physician
- Shenandoah, TX
- NPI 1487811766
-
- General Acute Care Hospital
- San Antonio, TX
- NPI 1326829904
-
- Physiological Laboratory
- McAllen, TX
- NPI 1376436998
-
- Dental Clinic/Center
- San Antonio, TX
- NPI 1760424873
-
- Diagnostic Radiology Physician
- McAllen, TX
- NPI 1386415990
-
- Urgent Care Clinic/Center
- San Antonio, TX
- NPI 1003935107
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Critical Access Hospital
- Canadian, TX
- NPI 1437851235
-
- Psychiatric Hospital Unit
- Edinburg, TX
- NPI 1053301754
-
- General Acute Care Hospital
- Edinburg, TX
- NPI 1770573586
-
- General Acute Care Hospital
- Brownsville, TX
- NPI 1184911877
-
- General Acute Care Hospital
- Harlingen, TX
- NPI 1154618742
-
- General Acute Care Hospital
- Floresville, TX
- NPI 1871599829
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.