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Edit this profileAt a glance
- 15225 Shady Grove Rd, Suite 201, Rockville, MD 20850
About Dr. Asser
Alexander S. Asser, M.D. practices clinical cardiac electrophysiology in Rockville, MD. Alexander is a 2002 graduate of Temple University School of Medicine. Alexander is also listed as specializing in cardiovascular disease. According to Medicare claims data, Alexander cared for 4,827 Medicare patients across 9,086 services. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1861656670.
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
- (301) 670-3000
- Email not available
Practice Locations
15225 SHADY GROVE RD SUITE 201
Rockville, MD 20850
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
Abnormal heart rhythms
- Atrial Tachycardia
- Premature atrial contractions
Conduction disorders
- Bundle Branch Block
- Junctional Rhythm
- Tachy-Brady Syndrome
- Heart block
Dangerous heart rhythms
- Ventricular Fibrillation
- Cardiac Arrest
- Ventricular tachycardia
Device issues
- Frequent Defibrillator Shocks
- Pacemaker Syndrome
Fainting & reflex disorders
- Carotid Sinus Hypersensitivity
Genetic heart conditions
- Brugada Syndrome
- Catecholaminergic Polymorphic Ventricular Tachycardia
- Arrhythmogenic Right Ventricular Dysplasia
- Long QT syndrome
Heart failure and muscle
- Weak Heart Muscle
Heart muscle conditions
- Cardiac Sarcoidosis
- Hypertrophic cardiomyopathy
Heart rhythm disorders
- Inappropriate Sinus Tachycardia
- Supraventricular tachycardia
- Wolff-Parkinson-White Syndrome
Inherited rhythm disorders
- Short QT Syndrome
Structural heart conditions
- Arrhythmic Mitral Valve Prolapse
Symptoms
- Dizziness and Lightheadedness
- Fainting and syncope
- Heart palpitations
- Premature ventricular contractions
- Slow heart rate (bradycardia)
Most searched conditions
- AFib
- Arrhythmias
- Coronary artery disease
- Heart attack
Autonomic disorders
Device complications
Procedures & services
Advanced therapies
- Stereotactic Cardiac Radioablation (STAR)
Catheter ablation
- AV Node Ablation
- Cardioneuroablation
- Epicardial Catheter Ablation
- Heart Flutter Ablation
- Pulsed Field Ablation
- PVC Ablation
- Ventricular Tachycardia Ablation
- Cryoablation
Device care
- Pacemaker Check
- Remote Device Monitoring
Device management
- Pacemaker or Defibrillator Reprogramming
Device placement
- Extravascular Defibrillator Placement (EV-ICD)
Device procedures
- Cardiac resynchronization therapy device placement
- Conduction System Pacing
- Leadless Pacemaker Placement
- Pacemaker Battery Replacement
- Pacemaker Lead Removal
- Subcutaneous Defibrillator Placement
- Implantable cardioverter-defibrillator placement
Diagnostic imaging
- Cardiac MRI for Heart Scarring
- Transesophageal echocardiogram
Diagnostic monitoring
- 24-Hour Holter Monitor
- Exercise Stress Test for Arrhythmia
Diagnostic testing
- Brugada Drug Challenge Test
- Carotid Sinus Massage
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
- LifeVest Fitting
Medication management
- Heart Rhythm Medication Management
Minor device procedures
- Loop Recorder Removal
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Heart rhythm treatments
- AED Shock or Defibrillation
Rhythm restoration
Stroke prevention
Procedures Most Often Billed to Medicare
9,086 services · 4,827 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of pacemaker and upper and lower heart chamber electrode | Procedure | 33208 |
76 | More than most peers in Clinical Cardiac Electrophysiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
1,561 | More than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | Treatment | 93296 |
1,280 | More than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | Treatment | 93297 |
1,093 | More than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
921 | More often than most peers in Clinical Cardiac Electrophysiology |
| Programming of dual lead pacemaker system | Treatment | 93280 |
568 | More than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | Treatment | 93295 |
364 | More often than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
321 | More often than most peers in Clinical Cardiac Electrophysiology |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
267 | More than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of implantable heart and blood vessel monitoring system | Treatment | 93290 |
250 | More than most peers in Clinical 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.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 clinical cardiac electrophysiology specialists in Rockville 3
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Temple University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Temple University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of pacemaker and upper and lower heart chamber electrode 8
Providers in MD who bill this service to Medicare most often.
Common questions
What does Alexander S. Asser specialize in?
Alexander S. Asser is a clinical cardiac electrophysiology in Rockville, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Alexander S. Asser located?
Alexander S. Asser is listed at 15225 Shady Grove Rd Suite 201, Rockville, MD 20850. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Alexander S. Asser's phone number?
The number on file is (301) 670-3000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Alexander S. Asser's NPI number?
Alexander S. Asser's National Provider Identifier is 1861656670. 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 Alexander S. Asser train?
Alexander S. Asser attended Temple University School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Alexander S. Asser been practicing?
Alexander S. Asser has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does Alexander S. Asser do most often?
According to Medicare billing data, Alexander S. Asser performs procedures including insertion of pacemaker and upper and lower heart chamber electrode; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report 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
Has Alexander S. Asser confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Alexander S. Asser. If this is you, claiming it is free.
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