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 by the American Board of Internal Medicine. 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 or 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, or 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 in 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 Dr. Mercado 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.
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:
- Atrial Fibrillation
- Heart Palpitations
- Slow Heart Rate
- Arrhythmia
- Afib
- A-fib
- Irregular heart rhythm
- Skipped Heartbeat
- Fluttering Heart
- Pounding Heart
- Bradycardia
- Slow Pulse
- Low Heart Rate
ICD-10 Codes:
- I480: Paroxysmal atrial fibrillation
- I4891: Unspecified atrial fibrillation
- R002: Palpitations
- R001: Bradycardia, unspecified
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:
- 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:
- Chronic Systolic Heart Failure
- Heart Failure
- Long-term Systolic Heart Failure
- Chronic HFrEF
- Ongoing Pumping Heart Failure
- Congestive Heart Failure
- CHF
- Cardiac Insufficiency
ICD-10 Codes:
- I5022: Chronic systolic (congestive) heart failure
- I509: Heart failure, unspecified
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:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
Also known as:
- High Blood Pressure Heart and Kidney Disease with Heart Failure
- Chronic Kidney Disease
- Heart Failure
- High Blood Pressure
- Hypertensive Cardiorenal Syndrome
- Heart and Kidney Failure from High Blood Pressure
ICD-10 Codes:
- I130: Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
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:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
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:
- Peripheral Artery Disease
- PVD
- PAD
- Poor Circulation in Legs
- Blocked Leg Arteries
ICD-10 Codes:
- I739: Peripheral vascular disease, unspecified
Also known as:
- Shortness of Breath
- Breathing Problems
- Difficulty breathing
- Breathlessness
- Dyspnea
ICD-10 Codes:
- R0602: Shortness of breath
Also known as:
- Pre-Procedure Heart Examination
- Pre-Surgery Cardiac Checkup
- Heart Health Assessment (Before Procedure)
- Cardiovascular Clearance Exam
ICD-10 Codes:
- Z01810: Encounter for preprocedural cardiovascular examination
Also known as:
- Fainting
- Syncope
- Passing out
- Collapse
ICD-10 Codes:
- R55: Syncope and collapse
Which procedures does Dr. Mercado perform as a Cardiologist?
As a Cardiologist, procedures performed by a Dr. Mary Mercado may include:
- Absent Pulmonary Valve Repair
- Anomalous Coronary Artery Angiography
- Anticoagulation Management
- Aortic Stenosis Repair
- Aortic Valve Repair / Replacement
- Aortopulmonary Window Repair
- Arterial Doppler
- Balloon Septostomy
For detailed information, please contact Dr. Mercado's office.
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
Blue Cross Blue Shield of Illinois
Centene
CVS Health (formerly Aetna)
Devoted Health
Elevance Health Inc. (formerly Anthem)
Express Scripts
Health Care Service Corporation (HCSC)
Humana
Medicare
View All Insurances
Where is Dr. Mercado's office located?
What is Dr. Mercado's NPI number?An 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. 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. Mercado to book an appointment today.
Is this 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
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 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 Mary Mercado?
Please contact Dr. Mercado's office at (281) 338-4004 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Mary Mercado have?
Dr. Mary Mercado is certified by the American Board of Internal Medicine.
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