Physician Profile
Zachary T. Hollis, M.D.
Unclaimed ProfileAbout Dr. Hollis
Based in Fairfax, VA, Zachary T. Hollis, M.D. is listed in the NPI registry under cardiac electrophysiology. Zachary graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2010. Zachary is also listed as specializing in internal medicine, cardiovascular disease, and clinical cardiac electrophysiology. According to Medicare claims data, Zachary cared for 3,240 Medicare patients across 3,953 services. The services billed most often include evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days, evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report. NPI 1104142744 identifies this record in the national registry.
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
- (571) 472-3270
- Email not available
Practice Locations
8081 INNOVATION PARK DR STE 602
Fairfax, VA 22031
3300 Gallows Rd
Falls Church, VA 22042
224D Cornwall St NW Ste 306
Leesburg, VA 20176
44084 Riverside Pkwy
Leesburg, VA 20176
3025 Hamaker Ct Ste 101
Fairfax, VA 22031
21785 Filigree Ct Ste 203
Ashburn, VA 20147
4320 Seminary Rd
Alexandria, VA 22304
44045 Riverside Pkwy
Leesburg, VA 20176
104 Selma Dr
Winchester, VA 22601
351 Valley Health Way # 200
Front Royal, VA 22630
190 Campus Blvd Ste 201
Winchester, VA 22601
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
- AFib
- Arrhythmias
- Coronary artery disease
- Heart attack
Abnormal heart rhythms
- Atrial Tachycardia
- Premature atrial contractions
Autonomic disorders
Conduction disorders
- Bundle Branch Block
- Heart block
- Junctional Rhythm
- Tachy-Brady Syndrome
Dangerous heart rhythms
- Cardiac Arrest
- Ventricular Fibrillation
- Ventricular tachycardia
Device complications
Device issues
- Frequent Defibrillator Shocks
- Pacemaker Syndrome
Fainting & reflex disorders
- Carotid Sinus Hypersensitivity
Genetic heart conditions
- Arrhythmogenic Right Ventricular Dysplasia
- Brugada Syndrome
- Catecholaminergic Polymorphic Ventricular Tachycardia
- 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)
Procedures & services
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Advanced therapies
- Stereotactic Cardiac Radioablation (STAR)
Catheter ablation
- AV Node Ablation
- Cardioneuroablation
- Cryoablation
- Epicardial Catheter Ablation
- Heart Flutter Ablation
- Pulsed Field Ablation
- PVC Ablation
- Ventricular Tachycardia Ablation
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
- Implantable cardioverter-defibrillator placement
- Leadless Pacemaker Placement
- Pacemaker Battery Replacement
- Pacemaker Lead Removal
- Subcutaneous 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
Heart rhythm treatments
- AED Shock or Defibrillation
Medication management
- Heart Rhythm Medication Management
Minor device procedures
- Loop Recorder Removal
Rhythm restoration
Stroke prevention
Procedures Most Often Billed to Medicare
3,953 services · 3,240 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of pacemaker and upper and lower heart chamber electrode | Procedure | 33208 |
32 | More often than most 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 |
974 | More often than most peers in Cardiac Electrophysiology |
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
705 | More often than most peers in Cardiac Electrophysiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
449 | More often than most peers in Cardiac Electrophysiology |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
323 | More often than most peers in Cardiac Electrophysiology |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | Treatment | 93295 |
271 | More often than most peers in Cardiac Electrophysiology |
| Programming of dual lead pacemaker system | Treatment | 93280 |
82 | As often as other peers in Cardiac Electrophysiology |
| Evaluation of single, dual, multiple lead or leadless pacemaker system | Treatment | 93288 |
81 | More often than most peers in Cardiac Electrophysiology |
| Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation | Treatment | 93656 |
51 | More often than most peers in Cardiac Electrophysiology |
| Destruction of tissue of upper heart chamber through tube to treat abnormal heart rhythm | Treatment | 93657 |
42 | As often as other 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.
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 Fairfax 3
Same specialty, same city.
Trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2010 at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
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 VA who bill this service to Medicare most often.
Common questions
What does Zachary T. Hollis specialize in?
Zachary T. Hollis is a cardiac electrophysiology in Fairfax, VA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Zachary T. Hollis located?
Zachary T. Hollis is listed at 8081 Innovation Park Dr Ste 602, Fairfax, VA 22031. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Zachary T. Hollis's phone number?
The number on file is (571) 472-3270. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Zachary T. Hollis's NPI number?
Zachary T. Hollis's National Provider Identifier is 1104142744. 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 Zachary T. Hollis train?
Zachary T. Hollis attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How long has Zachary T. Hollis been practicing?
Zachary T. Hollis has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What does Zachary T. Hollis do most often?
According to Medicare billing data, Zachary T. Hollis performs procedures including insertion of pacemaker and upper and lower heart chamber electrode; provides treatments such as evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days and evaluation of single, dual, multiple lead or leadless pacemaker 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 Zachary T. Hollis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Zachary T. Hollis. If this is you, claiming it is free.
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