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Edit this profileAt a glance
- 2150 Pennsylvania Ave Nw, Dept. of Medicine, Washington, DC 20037
About Dr. Mercader
Marco Mercader, MD is a healthcare provider in Washington, DC specializing in cardiac electrophysiology. Marco trained at State University of Ny Upstate Medical University, graduating in 1995. Marco is also listed as specializing in cardiovascular disease and clinical cardiac electrophysiology. Medicare claims data shows Marco provided 2,379 services to 1,482 patients. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1275629321.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (202) 741-3333
- Email not available
Practice Locations
2150 PENNSYLVANIA AVE NW DEPT. OF MEDICINE
Washington, DC 20037
Conditions Commonly Evaluated or Treated
Within Clinical Cardiac Electrophysiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Abnormal heart rhythms
Autonomic disorders
Conduction disorders
Dangerous heart rhythms
Device complications
Device issues
Fainting & reflex disorders
Genetic heart conditions
- Arrhythmogenic Right Ventricular Dysplasia
- Brugada Syndrome
- Catecholaminergic Polymorphic Ventricular Tachycardia
- Long QT syndrome
Heart failure and muscle
Heart muscle conditions
Heart rhythm disorders
Inherited rhythm disorders
Structural heart conditions
Symptoms
- Dizziness and Lightheadedness
- Fainting and syncope
- Heart palpitations
- Premature ventricular contractions
- Slow heart rate (bradycardia)
Procedures & services
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Advanced therapies
Catheter ablation
- AV Node Ablation
- Cardioneuroablation
- Cryoablation
- Epicardial Catheter Ablation
- Heart Flutter Ablation
- Pulsed Field Ablation
- PVC Ablation
- Ventricular Tachycardia Ablation
Device care
Device management
Device placement
Device procedures
- Cardiac resynchronization therapy device placement
- Conduction System Pacing
- Implantable cardioverter-defibrillator placement
- Leadless Pacemaker Placement
- Pacemaker Battery Replacement
- Pacemaker Lead Removal
- Subcutaneous Defibrillator Placement
Diagnostic imaging
Diagnostic monitoring
Diagnostic testing
Diagnostic tests
- 30-Day Cardiac Event Monitor
- Electrophysiology study
- Genetic Arrhythmia Testing
- Heart monitor
- Implantable Loop Recorder (Cardiac Monitor Implant)
- Tilt Table Test
- Wearable Heart Patch Monitor
External devices
Heart rhythm treatments
Medication management
Minor device procedures
Rhythm restoration
Stroke prevention
Procedures Most Often Billed to Medicare
2,379 services · 1,482 patients · 24 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
354 | As often as other peers in Cardiac Electrophysiology |
| Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | Treatment | 93296 |
230 | Less often than most peers in Cardiac Electrophysiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
171 | As often as other peers in Cardiac Electrophysiology |
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
156 | Less often than most peers in Cardiac Electrophysiology |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
140 | As often as other peers in Cardiac Electrophysiology |
| Programming of dual lead pacemaker system | Treatment | 93280 |
85 | As often as other peers in Cardiac Electrophysiology |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | Treatment | 93295 |
73 | Less often than most peers in Cardiac Electrophysiology |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
61 | As often as other peers in Cardiac Electrophysiology |
| Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | Treatment | 93244 |
53 | More often than most peers in Cardiac Electrophysiology |
| Heart rhythm recording of continous external ekg over 8-15 days | Treatment | 93246 |
47 | More often than most peers in Cardiac Electrophysiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiac electrophysiology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other cardiac electrophysiology specialists in Washington 7
Same specialty, same city.
More connections — 18 related providers in 3 groups
Trained at State University of Ny Upstate Medical University 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at State University of Ny Upstate Medical University 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 2
Providers in DC who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Mercader?
Dr. Mercader is a cardiac electrophysiology in Washington, DC. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Mercader's address?
Dr. Mercader is listed at 2150 Pennsylvania Ave Nw Dept. of Medicine, Washington, DC 20037. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Mercader?
The number on file is (202) 741-3333. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Mercader?
Dr. Mercader's National Provider Identifier is 1275629321. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Mercader train?
Dr. Mercader attended State University of Ny Upstate Medical University, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Mercader have?
Dr. Mercader has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Mercader perform?
According to Medicare billing data, Dr. Mercader provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Mercader's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mercader. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.