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Dr. Margarita Ontiveros, MD

Dr. Margarita Ontiveros, MD

Cardiologist

San Antonio, TX

32 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Ontiveros, Cardiologist in San Antonio, TX?

    Dr. Margarita Ontiveros, MD is a Cardiologist, who primarily practices in San Antonio, TX with 2 additional practice locations. She has been practicing for over 32 years and is board certified. Dr. Ontiveros graduated from University of California and completed her residency at Univ Tx Med Sch-San Antonio, Cardiovascular Diseases Univ Hosp-S Tx Med Ctr, Internal Medicine. Dr. Ontiveros is fluent in English and Spanish, and is currently seeing new patients. Dr. Ontiveros’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ontiveros’s office at (210) 281-9800.

    Where did Dr. Ontiveros go to medical school and complete their residency?

    • Residency: Univ Tx Med Sch-San Antonio, Cardiovascular Diseases Univ Hosp-S Tx Med Ctr, Internal Medicine | University of Texas Health Science Center at Houston Program

    • Medical School: University Of Ca- Irvine- Ca Coll Of Med- Irvine Ca | University of California

    Is Dr. Ontiveros board certified as a Cardiologist?

    Yes, Dr. Margarita Ontiveros, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Ontiveros speak?

    Dr. Ontiveros and their clinical team can communicate with patients in the following languages:

    • English
    • Spanish

    What conditions does a Cardiologist like Dr. Ontiveros typically treat?

    As a Cardiologist, Dr. Ontiveros diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Ontiveros. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Other Pre-Procedure Examination
    • Various pre-op checks
    • Miscellaneous pre-surgery exams
    • Other pre-treatment assessments

    ICD-10 Codes:

    • Z01818: Encounter for other preprocedural examination

    Also known as:

    • Shortness of Breath
    • Breathing Problems
    • Difficulty breathing
    • Breathlessness
    • Dyspnea

    ICD-10 Codes:

    • R0602: Shortness of breath

    What procedures does a Cardiologist like Dr. Ontiveros typically perform?

    As a Cardiologist, procedures performed by Dr. Margarita Ontiveros may include:

    Please contact Dr. Ontiveros' office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Ontiveros accept my insurance?

    Dr. Ontiveros accepts most major insurance plans. Important: Please call our office at (210) 281-9800 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ontiveros accept in San Antonio, TX?

    Dr. Ontiveros in San Antonio, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Territories

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Health Care Service Corporation

    • HealthRight Group

    • Medicare

    • Molina Healthcare

    • Oscar Health

    • Other Health Care Provider

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Ontiveros' office located?

    Dr. Margarita Ontiveros' Primary Practice

    311 Camden St Ste 102

    San Antonio, TX 78215

    (210) 281-9800

    Get Directions

    Dr. Margarita Ontiveros' Practice 2

    6800 W Ih 10 Ste 130

    San Antonio, TX 78201

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    Dr. Margarita Ontiveros' Practice 3

    11212 Highway 151 Ste 360

    San Antonio, TX 78251

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    What is Dr. Ontiveros's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Ontiveros's National Provider Identifier (NPI) number is 1346310968.

    What common questions do patients ask about Dr. Ontiveros?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ontiveros

    What is Dr. Margarita Ontiveros's specialty?

    Dr. Ontiveros is a Cardiologist near San Antonio, TX.

    What does a Cardiologist do?

    An internist specializing in cardiovascular diseases focuses on the diagnosis and management of complex heart and blood vessel conditions, including heart attacks and life-threatening arrhythmias.

    Is Dr. Margarita Ontiveros affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Ontiveros is affiliated with Baptist Medical Center - San Antonio which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see a Cardiologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Cardiologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Dr. Margarita Ontiveros accepting new patients in San Antonio, TX?

    Yes, Dr. Margarita Ontiveros is accepting new patients at this time.

    Does Dr. Margarita Ontiveros offer online booking?

    Please contact Dr. Ontiveros' office at (210) 281-9800 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Margarita Ontiveros?

    Please contact Dr. Ontiveros' office at (210) 281-9800 to schedule an appointment.

    Where is Dr. Ontiveros' office located?

    Dr. Ontiveros' office is located in San Antonio, TX.

    Which board certifications does Dr. Margarita Ontiveros have?

    Dr. Margarita Ontiveros is certified by the American Board of Internal Medicine.