Physician Profile
Mark D. Harwood, M.D.
Unclaimed ProfileAbout Dr. Harwood
Mark D. Harwood, M.D. is a healthcare provider in Spokane, WA specializing in clinical cardiac electrophysiology. Mark is also listed as specializing in cardiovascular disease and internal medicine. Medicare claims data shows Mark provided 6,046 services to 3,595 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, evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (509) 455-8820
- Email not available
Practice Locations
62 W 7TH AVE STE 450
Spokane, WA 99204
122 W. 7th Avenue Ste. 450
Spokane, WA 99204
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
- AFib
- Arrhythmias
- Coronary artery disease
- Heart attack
Abnormal heart rhythms
- Atrial Tachycardia
- Premature atrial contractions
Autonomic disorders
- Orthostatic hypotension
- Postural orthostatic tachycardia syndrome
Conduction disorders
- Bundle Branch Block
- Heart block
- Junctional Rhythm
- Tachy-Brady Syndrome
Dangerous heart rhythms
- Cardiac Arrest
- Ventricular Fibrillation
- Ventricular tachycardia
Device complications
- Pacemaker Infection
Device issues
- Frequent Defibrillator Shocks
- Pacemaker Syndrome
Fainting & reflex disorders
- Carotid Sinus Hypersensitivity
Genetic heart conditions
- Arrhythmogenic Right Ventricular Dysplasia
- Brugada Syndrome
- Catecholaminergic Polymorphic Ventricular Tachycardia
- 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)
Procedures & services
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Advanced therapies
- Stereotactic Cardiac Radioablation (STAR)
Catheter ablation
- AV Node Ablation
- Cardioneuroablation
- Cryoablation
- Epicardial Catheter Ablation
- Heart Flutter Ablation
- Pulsed Field Ablation
- PVC Ablation
- Ventricular Tachycardia Ablation
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
- Implantable cardioverter-defibrillator placement
- Leadless Pacemaker Placement
- Pacemaker Battery Replacement
- Pacemaker Lead Removal
- Subcutaneous 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
Heart rhythm treatments
- AED Shock or Defibrillation
Medication management
- Heart Rhythm Medication Management
Minor device procedures
- Loop Recorder Removal
Rhythm restoration
- Electrical cardioversion
Stroke prevention
- Left atrial appendage closure
Procedures Most Often Billed to Medicare
6,046 services · 3,595 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Repair of left upper heart chamber with implant with review by radiologist | Procedure | 33340 |
59 | More often than most peers in Clinical Cardiac Electrophysiology |
| Insertion of pacemaker and upper and lower heart chamber electrode | Procedure | 33208 |
48 | More 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 |
1,484 | 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 |
1,112 | More than most peers in Clinical Cardiac Electrophysiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
1,101 | 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 |
380 | More often than most peers in Clinical Cardiac Electrophysiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
320 | As often as other peers in Clinical Cardiac Electrophysiology |
| Programming of dual lead pacemaker system | Treatment | 93280 |
263 | More often than most peers in Clinical Cardiac Electrophysiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
196 | More often than most peers in Clinical Cardiac Electrophysiology |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
106 | Less 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 1
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 Spokane 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Repair of left upper heart chamber with implant with review by radiologist 8
Providers in WA who bill this service to Medicare most often.
Common questions
What does Mark D. Harwood specialize in?
Mark D. Harwood is a clinical cardiac electrophysiology in Spokane, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mark D. Harwood located?
Mark D. Harwood is listed at 62 W 7Th Ave Ste 450, Spokane, WA 99204. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mark D. Harwood's phone number?
The number on file is (509) 455-8820. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Mark D. Harwood?
Mark D. Harwood's National Provider Identifier is 1356559975. 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 Mark D. Harwood train?
Mark D. Harwood attended Other, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark D. Harwood have?
Mark D. Harwood has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What does Mark D. Harwood do most often?
According to Medicare billing data, Mark D. Harwood performs procedures including repair of left upper heart chamber with implant with review by radiologist and insertion of pacemaker and upper and lower heart chamber electrode; 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 Mark D. Harwood's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark D. Harwood. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.