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Dr. Margarita Ontiveros, MD

Dr. Margarita Ontiveros, MD

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 by the American Board of Internal Medicine. 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, UnitedHealthcare 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 in 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 Dr. Ontiveros 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.

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Coronary Artery Disease with Angina
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis
    • Atherosclerotic Heart Disease with Angina
    • Chest Pain from Heart Disease
    • Angina Pectoris

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
    • I25119: Atherosclerotic heart disease of native coronary artery with unspecified angina pectoris

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Heart Palpitations
    • Atrial Fibrillation
    • Arrhythmia
    • Skipped Heartbeat
    • Fluttering Heart
    • Pounding Heart
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • R002: Palpitations
    • I480: Paroxysmal atrial fibrillation
    • I4891: Unspecified atrial fibrillation

    Also known as:

    • Having a Coronary Angioplasty Implant or Graft
    • Angioplasty
    • Coronary stent
    • Heart artery graft
    • Angioplasty device

    ICD-10 Codes:

    • Z955: Presence of coronary angioplasty implant and graft

    Also known as:

    • Abnormal EKG
    • Other Abnormal Heart Test Results
    • Heart Health Tests
    • Heart Disease
    • Irregular Electrocardiogram
    • Unusual Heart Rhythm Test
    • ECG Abnormalities
    • Irregular Cardiovascular Function Study
    • Unusual Heart Exam Findings
    • Heart Disease Diagnosis

    ICD-10 Codes:

    • R9431: Abnormal electrocardiogram [ECG] [EKG]
    • R9439: Abnormal result of other cardiovascular function study

    Also known as:

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

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Coronary Artery Bypass Graft
    • Coronary Artery Bypass Surgery
    • CABG
    • Heart Bypass Graft
    • Bypass Surgery Graft

    ICD-10 Codes:

    • Z951: Presence of aortocoronary bypass graft

    Also known as:

    • Having a Pacemaker
    • Pacemakers and Implantable Defibrillators
    • Heart pacemaker
    • Artificial pacemaker
    • Implanted heart device

    ICD-10 Codes:

    • Z950: Presence of cardiac pacemaker

    Also known as:

    • Mixed High Cholesterol and Triglycerides
    • Cholesterol
    • Triglycerides
    • Mixed hyperlipidemia
    • Combined hyperlipidemia
    • High lipids

    ICD-10 Codes:

    • E782: Mixed hyperlipidemia

    Also known as:

    • Chronic Venous Insufficiency
    • Vascular Disease
    • CVI
    • Venous Reflux Disease
    • Leg Vein Incompetence
    • Peripheral Venous Insufficiency

    ICD-10 Codes:

    • I872: Venous insufficiency (chronic) (peripheral)

    Also known as:

    • Enlarged Heart
    • Heart Disease
    • Cardiomegaly
    • Big heart
    • Heart enlargement

    ICD-10 Codes:

    • I517: Cardiomegaly

    Also known as:

    • Peripheral Artery Disease
    • PVD
    • PAD
    • Poor Circulation in Legs
    • Blocked Leg Arteries

    ICD-10 Codes:

    • I739: Peripheral vascular disease, unspecified

    Also known as:

    • Heart Murmur
    • Congenital Heart Defects
    • Heart Valve Disease
    • Cardiac murmur
    • Abnormal heart sound
    • Heart sound abnormality

    ICD-10 Codes:

    • R011: Cardiac murmur, unspecified

    Also known as:

    • Carotid Artery Disease
    • Carotid Stenosis
    • Blocked Carotid Artery
    • Neck Artery Disease
    • Carotid Artery Narrowing

    ICD-10 Codes:

    • I6523: Occlusion and stenosis of bilateral carotid arteries

    Which procedures does Dr. Ontiveros perform as a Cardiologist?

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

    For detailed information, please contact Dr. Ontiveros' office.

    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 Third Party

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Health Care Service Corporation (HCSC)

    • Medicare

    • Molina

    • Oscar Health Insurance Co

    • Other Health Care Provider

    • Scan Health Plan

    • UnitedHealthcare

    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

    11212 Highway 151 Ste 360

    San Antonio, TX 78251

    Get Directions

    Dr. Margarita Ontiveros' Practice 3

    6800 W Interstate 10 Ste 100

    San Antonio, TX 78201

    Get Directions

    What is Dr. Ontiveros's NPI number?An 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. 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. Contact Dr. Ontiveros to book an appointment today.

    Is this 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

    Where can I learn more about Cardiologist?

    Explore Cardiologist with 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 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's office at (210) 281-9800 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Margarita Ontiveros?

    Please contact Dr. Ontiveros's office at (210) 281-9800 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Margarita Ontiveros have?

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

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