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Dr. Mary Mercado, MD

Dr. Mary Mercado, MD

Cardiologist

Webster, TX

27 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mercado, Cardiologist in Webster, TX?

    Dr. Mary Mercado, MD is a Cardiologist, who primarily practices in Webster, TX with 2 additional practice locations. She has been practicing for over 27 years and is board certified. Dr. Mercado graduated from Baylor College of Medicine and completed her residency at University of Texas Health Science Center at San Antonio and Affiliated Hospitals. Dr. Mercado is fluent in English and Spanish, and is currently seeing new patients. Dr. Mercado’s practice accepts Medicare, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mercado’s office at (281) 338-4004.

    What are Areas of Expertise for Dr. Mercado?

    Dr. Mary Mercado, MD is a highly-rated, board-certified Cardiologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Mercado empowers patients to confidently navigate their health journey, specializing in Echocardiography, Echocardiography-Transesophageal, Invasive Cardiology, and comprehensive wellness support. Serving the Webster, TX community, Dr. Mercado is dedicated to enhancing lives through expert, patient-centered care.

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

    • Fellowship: (Cardiovascular Disease (Internal Medicine)), UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER SAN ANTONIO, SAN ANTONIO, TX

    • Residency: University of Texas Health Science Center at San Antonio and Affiliated Hospitals

    • Medical School: Baylor College of Medicine

    Is Dr. Mercado board certified as a Cardiologist?

    Yes, Dr. Mary Mercado, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Mercado speak?

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

    • English
    • Spanish

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

    As a Cardiologist, Dr. Mercado 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. Mercado. 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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • High Blood Pressure Heart Disease with Heart Failure
    • Heart Failure
    • High Blood Pressure
    • Hypertensive Heart Failure
    • High Blood Pressure Causing Heart Failure

    ICD-10 Codes:

    • I110: Hypertensive heart disease with heart failure

    Also known as:

    • Other Mental Health Screening
    • Mental Health Screening
    • Behavioral Disorder Screening
    • Psychological Evaluation
    • Mental Wellness Check

    ICD-10 Codes:

    • Z1339: Encounter for screening examination for other mental health and behavioral disorders

    Also known as:

    • Atrial Fibrillation
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • I480: Paroxysmal atrial fibrillation

    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

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

    As a Cardiologist, procedures performed by Dr. Mary Mercado may include:

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

    Does Dr. Mercado accept my insurance?

    Dr. Mercado accepts most major insurance plans. Important: Please call our office at (281) 338-4004 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mercado accept in Webster, TX?

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

    Top Insurances

    • Blue Cross Blue Shield

    • Centene Corporation

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Devoted Health

    • Elevance Health Inc. (formerly Anthem)

    • Health Care Service Corporation

    • Humana

    • Medicare

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Mercado's office located?

    Dr. Mary Mercado's Primary Practice

    530 Orchard St

    Webster, TX 77598

    (281) 338-4004

    Get Directions

    Dr. Mary Mercado's Practice 2

    5010 Crenshaw Rd Ste 110

    Pasadena, TX 77505

    Get Directions

    Dr. Mary Mercado's Practice 3

    500 N Kobayashi

    Webster, TX 77598

    Get Directions

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

    Dr. Mercado's National Provider Identifier (NPI) number is 1366540023.

    What common questions do patients ask about Dr. Mercado?

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

    What is Dr. Mary Mercado's specialty?

    Dr. Mercado is a Cardiologist near Webster, 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. Mary Mercado affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mercado is affiliated with Hca Houston Healthcare Clear Lake, Houston Methodist Clear Lake Hospital 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

    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. Mary Mercado accepting new patients in Webster, TX?

    Yes, Dr. Mary Mercado is accepting new patients at this time.

    Does Dr. Mary Mercado offer online booking?

    Please contact Dr. Mercado's office at (281) 338-4004 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Mary Mercado?

    Please contact Dr. Mercado's office at (281) 338-4004 to schedule an appointment.

    Where is Dr. Mercado's office located?

    Dr. Mercado's offices are located in Webster, TX and Pasadena, TX.

    Which board certifications does Dr. Mary Mercado have?

    Dr. Mary Mercado is certified by the American Board of Internal Medicine.