MM
24 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Mercader, Clinical Cardiac Electrophysiologist in Washington, DC?
Dr. Marco Mercader, MD is a Clinical Cardiac Electrophysiologist, who primarily practices in Washington, DC with 1 additional practice location. He has been practicing for over 24 years and is board certified. Dr. Mercader completed his residency at Geo Washington Univ Sch Med, Cardiac Electrophysiology; Geo Washington Univ Sch Med, Cardiovascular Diseases; Geo Washington Univ Sch Med, Internal Medicine. Dr. Mercader is fluent in English, Arabic, and French, and is currently seeing new patients. Dr. Mercader’s practice accepts Kaiser Permanente, Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mercader’s office at (202) 741-3333.
What are Areas of Expertise for Dr. Mercader?
Dr. Marco Mercader, MD is a highly-rated, board-certified Clinical Cardiac Electrophysiologist 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. Mercader empowers patients to confidently navigate their health journey, specializing in Arrhythmias, Atrial Fibrillation, Catheter Ablation, Syncope, and comprehensive wellness support. Serving the Washington, DC community, Dr. Mercader is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Mercader go to medical school and complete their residency?
Residency: Geo Washington Univ Sch Med, Cardiac Electrophysiology; Geo Washington Univ Sch Med, Cardiovascular Diseases; Geo Washington Univ Sch Med, Internal Medicine
Medical School: Suny-Hlth Sci Ctr At Syracuse, Coll of Med, Syracuse Ny
Is Dr. Mercader board certified as a Clinical Cardiac Electrophysiologist?
Yes, Dr. Marco Mercader, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Mercader speak?
Dr. Mercader and their clinical team can communicate with patients in the following languages:
Arabic
English
French
What conditions does a Clinical Cardiac Electrophysiologist like Dr. Mercader typically treat?
As a Clinical Cardiac Electrophysiologist, Dr. Mercader 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. Mercader. 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 here.
Also known as:
- Atrial Fibrillation
- Heart Palpitations
- Complete Heart Block
- Arrhythmia
- Afib
- A-fib
- Irregular heart rhythm
- Skipped Heartbeat
- Fluttering Heart
- Pounding Heart
- Complete AV Block
- Third-Degree Heart Block
ICD-10 Codes:
- I480: Paroxysmal atrial fibrillation
- R002: Palpitations
- I4891: Unspecified atrial fibrillation
- I442: Atrioventricular block, complete
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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Chronic Systolic Heart Failure
- Heart Failure
- Long-term Systolic Heart Failure
- Chronic HFrEF
- Ongoing Pumping Heart Failure
ICD-10 Codes:
- I5022: Chronic systolic (congestive) heart failure
Also known as:
- Fainting
- Syncope
- Passing out
- Collapse
ICD-10 Codes:
- R55: Syncope and collapse
What procedures does a Clinical Cardiac Electrophysiologist like Dr. Mercader typically perform?
As a Clinical Cardiac Electrophysiologist, Dr. Mercader performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Mercader. 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 here.
Also known as:
- Subcutaneous Cardiac Rhythm Monitor Insertion
- Implantable Loop Recorder Insertion
- Under-Skin Heart Monitor
- Cardiac Event Recorder Implant
CPT Codes:
- 33285: Insertion, subcutaneous cardiac rhythm monitor, including programming
Also known as:
- Implantable Defibrillator Placement
- ICD insertion
- Permanent defibrillator implant
- Heart defibrillator replacement
- Transvenous defibrillator system
CPT Codes:
- 33249: Insertion or replacement of permanent implantable defibrillator system, with transvenous lead(s), single or dual chamber
Also known as:
- Dual-Chamber Pacemaker Insertion
- Permanent Pacemaker Placement
- Atrial and Ventricular Pacemaker
- Heart Rhythm Device Implantation
CPT Codes:
- 33208: Insertion of new or replacement of permanent pacemaker with transvenous electrode(s); atrial and ventricular
Also known as:
- Left Ventricle Pacing Lead Insertion
- Cardiac Pacing Electrode Placement
- LV Lead Insertion
- Pacemaker Upgrade Lead
CPT Codes:
- 33225: Insertion of pacing electrode, cardiac venous system, for left ventricular pacing, at time of insertion of implantable defibrillator or pacemaker pulse generator (eg, for upgrade to dual chamber system) (List separately in addition to code for primary procedure)
Also known as:
- Leadless Pacemaker Insertion
- Transcatheter Pacemaker
- Wireless Pacemaker Implant
- Right Ventricular Pacemaker
CPT Codes:
- 33274: Transcatheter insertion or replacement of permanent leadless pacemaker, right ventricular, including imaging guidance (eg, fluoroscopy, venous ultrasound, ventriculography, femoral venography) and device evaluation (eg, interrogation or programming), when performed
Also known as:
- Pacemaker Battery Replacement (Dual Lead)
- Pacemaker Generator Exchange
- Dual Lead Pacemaker Replacement
- Heart Pacemaker Battery Change
- Pacemaker Pulse Generator Replacement
CPT Codes:
- 33228: Removal of permanent pacemaker pulse generator with replacement of pacemaker pulse generator; dual lead system
Also known as:
- Removal of Implantable Heart Monitor
- Subcutaneous Cardiac Monitor Removal
- Loop Recorder Removal
- Implantable Loop Recorder Excision
CPT Codes:
- 33286: Removal, subcutaneous cardiac rhythm monitor
Does Dr. Mercader accept my insurance?
Dr. Mercader accepts most major insurance plans. Important: Please call our office at (202) 741-3333 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Mercader accept in Washington, DC?
Dr. Mercader in Washington, DC accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross Blue Shield of Michigan
Cigna Group
CVS Health (formerly Aetna)
District of Columbia
Humana
Johns Hopkins Health System
Medicare
UMR Administered Payer
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Mercader's office located?
What is Dr. Mercader's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Mercader's National Provider Identifier (NPI) number is 1275629321.
What common questions do patients ask about Dr. Mercader?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mercader
What is Dr. Marco Mercader's specialty?
Dr. Mercader is a Clinical Cardiac Electrophysiologist near Washington, DC.
What does a Clinical Cardiac Electrophysiologist do?
A specialized domain within the cardiovascular disease subspecialty of Internal Medicine that involves advanced technical procedures to evaluate heart rhythms and determine the most appropriate treatments.
Is this Dr. Marco Mercader affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Mercader is affiliated with George Washington University Hospital 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 Clinical Cardiac Electrophysiologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Clinical Cardiac Electrophysiologist. 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 Marco Mercader accepting new patients in Washington, DC?
Yes, Dr. Marco Mercader is accepting new patients at this time.
Does Dr. Marco Mercader offer online booking?
Please contact Dr. Mercader's office at (202) 741-3333 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Marco Mercader?
Please contact Dr. Mercader's office at (202) 741-3333 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Marco Mercader have?
Dr. Marco Mercader is certified by the American Board of Internal Medicine.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>