24 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Mercader, Clinical Cardiac Electrophysiologist in Washington, DC?
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.
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.
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
Kaiser Permanente
Medicare
UMR Administered Payer
UnitedHealth Group
View All Insurances
Where is Dr. Mercader's office located?
What hospitals are Dr. Mercader affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Mercader has admitting privileges at the following hospitals:
What is Dr. Mercader's NPI number?A 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
