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Edit this profileAt a glance
- 930 Franklin St Se, Huntsville, AL 35801
About Dr. Jennings
John Jennings, MD is a healthcare provider in Huntsville, AL specializing in clinical cardiac electrophysiology. John is also listed as specializing in internal medicine and cardiovascular disease. Medicare claims data shows John provided 3,435 services to 1,926 patients. The services billed most often include evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and programming of dual lead pacemaker system. This provider record is associated with NPI 1386856243.
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
- (256) 539-4080
- Email not available
Practice Locations
930 FRANKLIN ST SE
Huntsville, AL 35801
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
3,435 services · 1,926 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of pacemaker and upper and lower heart chamber electrode | Procedure | 33208 |
55 | More than most peers in Clinical Cardiac Electrophysiology |
| Repair of left upper heart chamber with implant with review by radiologist | Procedure | 33340 |
19 | Less 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 |
979 | More than most peers in Clinical Cardiac Electrophysiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
601 | More often than most peers in Clinical Cardiac Electrophysiology |
| Programming of dual lead pacemaker system | Treatment | 93280 |
327 | 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 |
289 | More often than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | Treatment | 93297 |
184 | As often as other peers in Clinical Cardiac Electrophysiology |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
147 | As often as other peers in Clinical Cardiac Electrophysiology |
| Programming of multiple lead implantable defibrillator system | Treatment | 93284 |
64 | More often than most peers in Clinical Cardiac Electrophysiology |
| Programming of dual lead implantable defibrillator system | Treatment | 93283 |
50 | 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 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 Huntsville 5
Same specialty, same city.
More connections — 20 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Other 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 4
Providers in AL who bill this service to Medicare most often.
Common questions
What does Dr. Jennings specialize in?
Dr. Jennings is a clinical cardiac electrophysiology in Huntsville, AL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Jennings located?
Dr. Jennings is listed at 930 Franklin St Se, Huntsville, AL 35801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Jennings's phone number?
The number on file is (256) 539-4080. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Jennings?
Dr. Jennings's National Provider Identifier is 1386856243. 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. Jennings go to medical school?
Dr. Jennings attended Other, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Jennings have?
Dr. Jennings has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Jennings do most often?
According to Medicare billing data, Dr. Jennings performs procedures including insertion of pacemaker and upper and lower heart chamber electrode and repair of left upper heart chamber with implant with review by radiologist; provides treatments such as evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days and routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Jennings's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Jennings. If this is you, claiming it is free.
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