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Edit this profileAt a glance
- 9320 Parkwest Blvd, Knoxville, TN 37923
About Dr. Meriwether
Based in Knoxville, TN, John N. Meriwether, M.D. is listed in the NPI registry under cardiac electrophysiology. John graduated from University of South Alabama College of Medicine in 2011. John is also listed as specializing in cardiovascular disease and clinical cardiac electrophysiology. According to Medicare claims data, John cared for 1,866 Medicare patients across 2,964 services. 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, and evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days. NPI 1356630008 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
- (865) 373-7100
- Email not available
Practice Locations
9320 PARKWEST BLVD
Knoxville, TN 37923
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
Abnormal heart rhythms
Autonomic disorders
Conduction disorders
Dangerous heart rhythms
Device complications
Device issues
Fainting & reflex disorders
Genetic heart conditions
- Arrhythmogenic Right Ventricular Dysplasia
- Brugada Syndrome
- Catecholaminergic Polymorphic Ventricular Tachycardia
- 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)
Procedures & services
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Advanced therapies
Catheter ablation
- AV Node Ablation
- Cardioneuroablation
- Cryoablation
- Epicardial Catheter Ablation
- Heart Flutter Ablation
- Pulsed Field Ablation
- PVC Ablation
- Ventricular Tachycardia Ablation
Device care
Device management
Device placement
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
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
Heart rhythm treatments
Medication management
Minor device procedures
Rhythm restoration
Stroke prevention
Procedures Most Often Billed to Medicare
2,964 services · 1,866 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of pacemaker and upper and lower heart chamber electrode | Procedure | 33208 |
41 | More often than most peers in Cardiac Electrophysiology |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
31 | Less often than most peers in Cardiac Electrophysiology |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
19 | Less often than most peers in Cardiac Electrophysiology |
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
785 | More often than most peers in Cardiac Electrophysiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
312 | As often as other peers in Cardiac Electrophysiology |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | Treatment | 93295 |
288 | More often than most peers in Cardiac Electrophysiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
230 | As often as other peers in Cardiac Electrophysiology |
| Programming of dual lead pacemaker system | Treatment | 93280 |
212 | More often than most peers in Cardiac Electrophysiology |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
211 | As often as other peers in Cardiac Electrophysiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
88 | 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 1
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 Knoxville 8
Same specialty, same city.
Trained at University of South Alabama College of Medicine 3
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 2011 at University of South Alabama College of Medicine 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 7
Providers in TN who bill this service to Medicare most often.
Common questions
What kind of doctor is John N. Meriwether?
John N. Meriwether is a cardiac electrophysiology in Knoxville, TN. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is John N. Meriwether's address?
John N. Meriwether is listed at 9320 Parkwest Blvd, Knoxville, TN 37923. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John N. Meriwether?
The number on file is (865) 373-7100. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John N. Meriwether's NPI number?
John N. Meriwether's National Provider Identifier is 1356630008. 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 N. Meriwether train?
John N. Meriwether attended University of South Alabama College of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has John N. Meriwether been practicing?
John N. Meriwether has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What procedures does John N. Meriwether perform?
According to Medicare billing data, John N. Meriwether performs procedures including insertion of pacemaker and upper and lower heart chamber electrode and insertion of needle into vein for collection of blood sample; reads or performs imaging such as nuclear medicine studies of heart muscle at rest and with stress and spect; 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, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John N. Meriwether confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John N. Meriwether. If this is you, claiming it is free.
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