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- 1940 Alcoa Hwy, Suite E 310, Knoxville, TN 37920
About Dr. Mahlow
William J. Mahlow, MD is a healthcare provider in Knoxville, TN specializing in clinical cardiac electrophysiology. William trained at Johns Hopkins University School of Medicine, graduating in 2000. William is also listed as specializing in specialist, internal medicine, and cardiovascular disease. Medicare claims data shows William provided 1,259 services to 1,137 patients. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1205830171.
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) 544-2800
- Email not available
Practice Locations
1940 ALCOA HWY SUITE E 310
Knoxville, TN 37920
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
1,259 services · 1,137 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of pacemaker and upper and lower heart chamber electrode | Procedure | 33208 |
35 | More often than most peers in Clinical Cardiac Electrophysiology |
| Insertion of implantable defibrillator system | Procedure | 33249 |
25 | More often than most peers in Clinical Cardiac Electrophysiology |
| Insertion of left lower heart electrode for pacemaker or defibrillator | Procedure | 33225 |
14 | Less often than most peers in Clinical Cardiac Electrophysiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
233 | As often as other peers in Clinical Cardiac Electrophysiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
184 | As often as other peers in Clinical Cardiac Electrophysiology |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
95 | More often than most peers in Clinical Cardiac Electrophysiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
52 | Less often than most peers in Clinical 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 |
32 | As often as other peers in Clinical Cardiac Electrophysiology |
| Programming of dual lead pacemaker system | Treatment | 93280 |
30 | Less often than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of single, dual, multiple lead or leadless pacemaker system | Treatment | 93288 |
29 | As often as other 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 Knoxville 8
Same specialty, same city.
More connections — 21 related providers in 3 groups
Trained at Johns Hopkins University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Johns Hopkins University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of pacemaker and upper and lower heart chamber electrode 6
Providers in TN who bill this service to Medicare most often.
Common questions
What does Dr. Mahlow specialize in?
Dr. Mahlow is a clinical cardiac electrophysiology in Knoxville, TN. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Mahlow located?
Dr. Mahlow is listed at 1940 Alcoa Hwy Suite E 310, Knoxville, TN 37920. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Mahlow's phone number?
The number on file is (865) 544-2800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Mahlow?
Dr. Mahlow's National Provider Identifier is 1205830171. 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. Mahlow go to medical school?
Dr. Mahlow attended Johns Hopkins University School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Mahlow have?
Dr. Mahlow has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Mahlow do most often?
According to Medicare billing data, Dr. Mahlow performs procedures including insertion of pacemaker and upper and lower heart chamber electrode, insertion of implantable defibrillator system and insertion of left lower heart electrode for pacemaker or defibrillator; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only 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 Dr. Mahlow's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mahlow. If this is you, claiming it is free.
Guide.md
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