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Edit this profileWhere to find Sung H. Chun, MD
- Stanford location main office
300 Pasteur Dr, Stanford, CA 94305 - Palo Alto location
87 Encina Ave, Palo Alto, CA 94301 - Palo Alto location
795 El Camino Real, Palo Alto, CA 94301
About Dr. Chun
Sung H. Chun, MD is a healthcare provider in Stanford, CA specializing in clinical cardiac electrophysiology. Sung trained at George Washington University School of Medicine, graduating in 1989. Sung is also listed as specializing in cardiovascular disease. Medicare claims data shows Sung provided 4,317 services to 2,909 patients. 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, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days. This provider record is associated with NPI 1477640381.
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
- (650) 723-4000
- Email not available
Practice Locations
300 PASTEUR DR
Stanford, CA 94305
87 Encina Ave
Palo Alto, CA 94301
795 El Camino Real
Palo Alto, CA 94301
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
Conduction disorders
Dangerous heart rhythms
Device issues
Fainting & reflex disorders
Genetic heart conditions
- Brugada Syndrome
- Catecholaminergic Polymorphic Ventricular Tachycardia
- Arrhythmogenic Right Ventricular Dysplasia
- 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)
Most searched conditions
Autonomic disorders
Device complications
Procedures & services
Advanced therapies
Catheter ablation
- AV Node Ablation
- Cardioneuroablation
- Epicardial Catheter Ablation
- Heart Flutter Ablation
- Pulsed Field Ablation
- PVC Ablation
- Ventricular Tachycardia Ablation
- Cryoablation
Device care
Device management
Device placement
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
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
Medication management
Minor device procedures
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Heart rhythm treatments
Rhythm restoration
Stroke prevention
Procedures Most Often Billed to Medicare
4,317 services · 2,909 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of heart rhythm monitor under skin | Procedure | 33285 |
12 | Less often 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 |
717 | More often than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
572 | More often than most peers in Clinical Cardiac Electrophysiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
480 | As often as other peers in Clinical Cardiac Electrophysiology |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
449 | More often than most peers in Clinical Cardiac Electrophysiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
251 | As often as other peers in Clinical Cardiac Electrophysiology |
| Programming of dual lead pacemaker system | Treatment | 93280 |
158 | More often than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | Treatment | 93295 |
149 | As often as other peers in Clinical Cardiac Electrophysiology |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
86 | More often than most peers in Clinical Cardiac Electrophysiology |
| Heart rhythm recording of continous external ekg over 8-15 days | Treatment | 93246 |
86 | More often 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 2
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 Stanford 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at George Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at George Washington University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of heart rhythm monitor under skin 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Chun?
Dr. Chun is a clinical cardiac electrophysiology in Stanford, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Chun's address?
Dr. Chun is listed at 300 Pasteur Dr, Stanford, CA 94305. 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. Chun?
The number on file is (650) 723-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Chun?
Dr. Chun's National Provider Identifier is 1477640381. 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. Chun train?
Dr. Chun attended George Washington University School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chun have?
Dr. Chun has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Chun perform?
According to Medicare billing data, Dr. Chun performs procedures including insertion of heart rhythm monitor under skin; 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
Is Dr. Chun's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chun. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.