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Dr. Gary Maszak, MD

Dr. Gary Maszak, MD

San Antonio, TX

24 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

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

    Dr. Gary Maszak, MD is a Cardiologist, who primarily practices in San Antonio, TX with 2 additional practice locations. He has been practicing for over 24 years and is board certified. Dr. Maszak completed his residency at Cleveland Clinic. Dr. Maszak is fluent in English and Spanish, and is currently seeing new patients. Dr. Maszak’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Maszak’s office at (210) 271-3203.

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

    • Fellowship: Loyola University,University of Florida School of Medicine | Loyola University,University of Florida School of Medicine

    • Residency: Cleveland Clinic

    Is Dr. Maszak board certified as a Cardiologist?

    Yes, Dr. Gary Maszak, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Maszak speak?

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

    • English

    • Spanish

    What conditions does Dr. Maszak treat?

    As a Cardiologist, Dr. Maszak 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. Maszak. 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:

    • Abnormal EKG
    • Heart Health Tests
    • Irregular Electrocardiogram
    • Unusual Heart Rhythm Test
    • ECG Abnormalities

    ICD-10 Codes:

    • R9431: Abnormal electrocardiogram [ECG] [EKG]

    Also known as:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Unstable Angina
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis
    • Unstable Chest Pain
    • Acute Coronary Syndrome
    • Atherosclerotic Heart Disease with Unstable Angina

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
    • I25110: Atherosclerotic heart disease of native coronary artery with unstable angina pectoris

    Also known as:

    • Fast Heartbeat
    • Atrial Fibrillation
    • Right Bundle Branch Block
    • Arrhythmia
    • Tachycardia
    • Rapid heart rate
    • Racing heart
    • Afib
    • A-fib
    • Irregular heart rhythm
    • RBBB
    • Right Heart Block

    ICD-10 Codes:

    • R000: Tachycardia, unspecified
    • I4891: Unspecified atrial fibrillation
    • I4510: Unspecified right bundle-branch block

    Also known as:

    • Heart Attack (NSTEMI)
    • Heart Attack
    • Myocardial Infarction
    • Non-STEMI
    • Less Severe Heart Attack

    ICD-10 Codes:

    • I214: Non-ST elevation (NSTEMI) myocardial infarction

    Which procedures does Dr. Maszak perform as a Cardiologist?

    As a Cardiologist, procedures performed by Dr. Gary Maszak may include:

    For detailed information, please contact Dr. Maszak's office.

    Does Dr. Maszak accept my insurance?

    Dr. Maszak accepts most major insurance plans. Important: Please call our office at (210) 271-3203 before your appointment to verify that your specific plan and network are accepted.

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

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

    Top Insurances

    • Cigna

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Express Scripts

    • Health Care Service Corporation (HCSC)

    • Medicare

    • Oscar Health Insurance Co

    • Other Health Care Provider

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Maszak's office located?

    Dr. Gary Maszak's Primary Practice

    6800 W Ih 10 Ste 200

    San Antonio, TX 78201

    (210) 271-3203

    Get Directions

    Dr. Gary Maszak's Practice 2

    7700 Floyd Curl Dr

    San Antonio, TX 78229

    Get Directions

    Dr. Gary Maszak's Practice 3

    1310 McCullough Ave

    San Antonio, TX 78212

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

    Dr. Maszak's National Provider Identifier (NPI) number is 1962443812.

    What common questions do patients ask about Dr. Maszak?

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

    What is Dr. Gary Maszak's specialty?

    Dr. Maszak 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. Maszak to book an appointment today.

    Is this Dr. Gary Maszak affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Maszak is affiliated with Baptist Medical Center - San Antonio, Methodist Hospital - San Antonio which are a Castle Connolly Top Hospitals. 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 Gary Maszak accepting new patients in San Antonio, TX?

    Yes, Dr. Gary Maszak is accepting new patients at this time.

    Does Dr. Gary Maszak offer online booking?

    Please contact Dr. Maszak's office at (210) 271-3203 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Gary Maszak?

    Please contact Dr. Maszak's office at (210) 271-3203 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Gary Maszak have?

    Dr. Gary Maszak is certified by the American Board of Internal Medicine.

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