Margarita M Ontiveros, MD

Cardiologist in San Antonio, Texas · NPI 1346310968

Margarita Ontiveros is one of 123 cardiologists practicing in San Antonio, Texas. Margarita Ontiveros practices with Methodist Physician Practices PLLC.

Registry record (NPPES)

NPI: 1346310968
Type: Type 1 · Individual
Primary taxonomy: Internal Medicine, Cardiovascular Disease · 207RC0000X
Address on file: 311 Camden St
San Antonio, TX 78215-2012
(210) 281-9800
Enumerated: Nov 9, 2006
Record last updated: May 1, 2008
License states listed: TX

Medicare (CMS)

Enrollment: Medicare-enrolled in TX
Cardiovascular Disease (Cardiology)
Revalidation due: No date set by CMS

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Part D prescribing
Procedure volumes by CPT code
Group affiliations and colleagues
Full enrollment history

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Practice locations

1200 Brooklyn Ave Suite 120
San Antonio, TX 78212
(210) 271-7266
3154 SE Military Dr D101
San Antonio, TX 78223
(210) 281-9800
3922 Wiseman Blvd Bldg II
San Antonio, TX 78251
(210) 281-9800
6800 I 10 Suite 100
San Antonio, TX 78201
(210) 575-8289
6800 W IH 10 Suite 130
San Antonio, TX 78201
(210) 932-1487
7390 Barlite Blvd Suite 105
San Antonio, TX 78224
(210) 921-0000

More cardiologists in San Antonio

Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.