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Edit this profileAt a glance
- 660 W Broadway, Glendale, CA 91204
About Dr. Mckenzie
John P. McKenzie, M.D. is a healthcare provider in Glendale, CA specializing in clinical cardiac electrophysiology. John trained at University of Missouri, Columbia School of Medicine, graduating in 1988. John is also listed as specializing in cardiovascular disease. Medicare claims data shows John provided 10,048 services to 5,940 patients. The services billed most often include evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report. This provider record is associated with NPI 1366422685.
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
- (818) 542-9420
- Email not available
Practice Locations
660 W BROADWAY
Glendale, CA 91204
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
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
10,048 services · 5,940 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
178 | More often than most peers in Clinical Cardiac Electrophysiology |
| Complete ultrasound scan of abdomen | Imaging | 76700 |
115 | Too few peers to compare |
| Limited ultrasound scan behind abdominal cavity | Imaging | 76775 |
110 | Too few peers to compare |
| Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | Treatment | 93297 |
1,440 | More than most peers in Clinical Cardiac Electrophysiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
1,268 | 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 |
848 | More often than most peers in Clinical Cardiac Electrophysiology |
| Programming of dual lead pacemaker system | Treatment | 93280 |
603 | 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 |
471 | More than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
339 | More often than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of implantable heart and blood vessel monitoring system | Treatment | 93290 |
244 | 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 Glendale 3
Same specialty, same city.
More connections — 17 related providers in 3 groups
Trained at University of Missouri, Columbia School of Medicine 5
Other providers in the same specialty who trained at the same institution.
Class of 1988 at University of Missouri, Columbia School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 4
Providers in CA who bill this service to Medicare most often.
Common questions
What does John P. McKenzie specialize in?
John P. McKenzie is a clinical cardiac electrophysiology in Glendale, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is John P. McKenzie located?
John P. McKenzie is listed at 660 W Broadway, Glendale, CA 91204. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John P. McKenzie's phone number?
The number on file is (818) 542-9420. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John P. McKenzie?
John P. McKenzie's National Provider Identifier is 1366422685. 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 John P. McKenzie train?
John P. McKenzie attended University of Missouri, Columbia School of Medicine, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John P. McKenzie have?
John P. McKenzie has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What does John P. McKenzie do most often?
According to Medicare billing data, John P. McKenzie performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as complete ultrasound scan of abdomen and limited ultrasound scan behind abdominal cavity; provides treatments such as evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John P. McKenzie's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John P. McKenzie. If this is you, claiming it is free.
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