Search

See All Interventional Cardiologists in Knoxville, TN
Dr. Nicholas Xenopoulos, MD
Interventional Cardiology* Age 65
Dr. Nicholas Xenopoulos, MD
5.0 (1 Ratings)

Offers telehealth

Dr. Nicholas Xenopoulos, MD is an Interventional Cardiologist in Knoxville, TN.
Dr. Nicholas Xenopoulos, MD
5.0 (1 Ratings)

Dr. Nicholas Xenopoulos, MD

Interventional Cardiology* Age 65
Knoxville, TN
Accepting new patients
41 years of experience

Offers telehealth

Dr. Nicholas Xenopoulos, MD is an Interventional Cardiologist in Knoxville, TN.

About Dr. Nicholas Xenopoulos, MD

Dr. Xenopoulos graduated from Aristotle University Of Thessaloniki, Faculty Of Medicine in 1985 and completed a residency at East Carolina University School of Med. Dr. Nicholas Xenopoulos, MD is an Interventional Cardiologist in Knoxville, TN and has 41 years experience. Dr. Xenopoulos currently practices at National Psychopharmachology Lab and is affiliated with Starr Regional Medical Center Athens and Parkwest Medical Center. Dr. Xenopoulos has experience treating conditions like Hyperlipidemia, Aortic Valve Disease, Hypertensive Heart with Failure, Rheumatic Aortic Valve Disorders, Lipid Disorders, Hypertension, Coronary Artery Disease (CAD), Paroxysmal Atrial Fibrillation, Mitral and Aortic Valve Disorder, Aortic Ectasia, Pulmonary Hypertension, Atherosclerosis, Heart Valve Disorders, Atrial Fibrillation, Hypertensive Heart Disease, Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension), Congestive Heart Failure, Mitral Valve Disease, Chest Pain, Cardiomegaly, Sinus Bradycardia, Congenital Aortic Valve Disorders, Tricuspid Valve Disease, Syncope, Congenital Heart Defects, Heart Attack (Acute Myocardial Infarction), Heart Disease, Arrhythmias, Systolic Heart Failure, Hypertensive Heart and Chronic Kidney Disease, Aortic Stenosis, Sinus Tachycardia, Patent Foramen Ovale (PFO), Mitral Valve Regurgitation, Rheumatic Tricuspid Disease and Acute Coronary Syndrome among other conditions at varying frequencies. Dr. Xenopoulos's office accepts new patients and telehealth appointments. Dr. Xenopoulos also speaks Greek. Dr. Xenopoulos is board certified in Cardiovascular Disease and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Low Wait Times

Patients are usually seen in 10 minutes or less.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

Experience Check

Enter a condition or procedure
Hyperlipidemia
Cardiac Catheterization (incl. Coronary Angiography)
Aortic Valve Disease
Cardiac Catheterization (incl. Coronary Angiography)
Hyperlipidemia
Cardiac Catheterization (incl. Coronary Angiography)
Aortic Valve Disease
Hypertensive Heart with Failure
Rheumatic Aortic Valve Disorders
Lipid Disorders
Hypertension
Coronary Artery Disease (CAD)
Paroxysmal Atrial Fibrillation
Mitral and Aortic Valve Disorder
Aortic Ectasia
Pulmonary Hypertension
Atherosclerosis
Heart Valve Disorders
Atrial Fibrillation
Hypertensive Heart Disease
Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
Congestive Heart Failure
Mitral Valve Disease
Chest Pain
Cardiomegaly
Transcatheter Aortic Valve Replacement/Implantation (TAVR/TAVI)
Sinus Bradycardia
Percutaneous Coronary Intervention (PCI)
Congenital Aortic Valve Disorders
Aortic Valve Surgery
Tricuspid Valve Disease
Syncope
  • View other providers who treat Syncope
Valve Repair or Replacement (Aortic, Mitral, Tricuspid, and Pulmonary)
Congenital Heart Defects
Heart Attack (Acute Myocardial Infarction)
Heart Disease
Arrhythmias
Systolic Heart Failure
Hypertensive Heart and Chronic Kidney Disease
Aortic Stenosis
Sinus Tachycardia
Patent Foramen Ovale (PFO)
Cardiac Myocardial Perfusion Imaging
Mitral Valve Regurgitation
Chest CT (incl. Heart and Lungs)
Cardioversion, Elective
Rheumatic Tricuspid Disease
Acute Coronary Syndrome
Chronic Congestive Heart Failure
Coronary Angioplasty, Atherectomy and Stent
Pulmonary Valve Disease
Atherosclerosis of Aorta
Atrial Septal Defect
Orthostatic Hypotension
Hypertensive Heart without Failure
Hypertensive Chronic Kidney Disease
Aortic Valve Regurgitation
Acute Congestive Heart Failure
Heart Attack (NSTEMI)
Hypotension
Cardiomyopathy, Hypertrophic
Atrial Flutter
Hypotension (Excluding Maternal)
Angina
  • View other providers who treat Angina
Aortic Aneurysm
Heart Murmur
First Degree Heart Block
Peripheral Vascular Disease (PAD, PVD)
Septal Defect
Electrocardiogram (EKG)
Tilt_Testing
Vascular Duplex Ultrasonography and Plethysmography
Heart Palpitations
Cardiomyopathy
Peripheral Edema
Ventricular Tachycardia (VT)
Pericardial Disease
Nonrheumatic Tricuspid Disease
Impella Device
Patent Ductus Arteriosus
Cardiac Ultrasound
Mitral Valve Prolapse
Supraventricular Tachycardia
Pulmonary Edema
Cardiac MRI (Magnetic Resonance Imaging) of Heart or Chest
Vitamin D Deficiency
Long QT Syndrome
Heart Attack (STEMI)
Mitral Valve Repair
Typical Atrial Flutter
Unstable Angina
Carotid Artery Disease
Hypokalemia
Third Degree Heart Block
Mitral Valve Surgery
Sick Sinus Syndrome
Hyperkalemia
Mitral Valve Stenosis
Peripheral Arterial Disease of Extremities
Abdominal Aortic Aneurysm (AAA)
Acute Deep Vein Thrombosis (DVT)
Acute Endocarditis
Acute Venous Embolism Thrombosis
Adhesive Pericarditis
Aneurysm
  • View other providers who treat Aneurysm
Aneurysm and Dissection of Heart
Aneurysm of Heart
Aortic Dissection
Aortic Embolism and Thrombosis
Arteriovenous Fistula
Atypical Atrial Flutter
Autonomic Disorders
Benign Tumor
Cardiomyopathy, Dilated
Cardiomyopathy, Restrictive
Chronic Thromboembolic Pulmonary Hypertension
Coarctation of the Aorta
Congenital Heart Disease
Cor Pulmonale
Coronary Artery Aneurysm
Coronary Artery Dissection
Coronary Vessel Malformation
Deep Vein Thrombosis (DVT)
Endocarditis
Granulomatosis
Hypertensive Encephalopathy
Infective Endocarditis
Limb Swelling
Limb Swelling Caused by Fluid Overload
Long COVID Disorder
Marfan Syndrome
Median Arcuate Ligament Syndrome (MALS)
Noninfective Endocarditis
Nonrheumatic Mitral Stenosis
Pericarditis
Primary Pulmonary Hypertension
Prinzmetal Angina
Pulmonary Disease
Reflex Sympathetic Dystrophy
Rheumatic Mitral Stenosis
Scleroderma
Second Degree Heart Block
Secondary Hypertension
Secondary Renovascular Hypertension
Septic Embolism
Subacute Endocarditis
Thrombosis
Type 2 Heart Block - Mobitz
Vascular Disease
Venous Compression
Ventricular Fibrillation
Ventricular Septal Defect
Wolff-Parkinson-White Pattern
Arrhythmia Screening
Cardiac Electrophysiology
Cardiac Imaging
Cardiovascular Diagnostic Test
Cardiovascular Intervention
Cardiovascular Stress Test
Carotid Artery Stent Placement
Chest Pain Evaluation
Cholesterol Screening
Coronary Angiogram
Dobutamine Thallium Stress Test
HeartAware Online Risk Screening
Insertion of Epicardial Lead for Pacemaker or Cardioverter and Defibrillator
Insertion of Left Ventricular Lead for Pacemaker or Cardioverter and Defibrillator
Non-Coronary Angioplasty, Atherectomy, and Stenting
Nuclear Stress Testing
Pacemaker Insertion or Replacement
Peripheral Arterial Disease Screening (PAD)
Peripheral Artery Catheterization
Peripheral Vascular Intervention
Pharmacologic Nuclear Stress Test
Pharmacologic Stress Test, Adenosine
Pulmonary Valve Surgery
Stress Test
Structural Heart Disease Evaluations and Treatment
TCD Bubble Test
Thoracentesis
Thrombolysis
Tilt Table Testing
Transcatheter Mitral Valve Repair
Treadmill Stress Test
Tricuspid Valve Surgery
Vascular Surgical Procedure

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • HealthyBlue Advantage
  • Elect Choice (Open Access) EPO
    Choice Plus POS II
    Premier Care Network Plus - Innovation Health
    Open Choice PPO
    Managed Choice (Open Access) POS
  • Navigate HMO
    Options PPO
    Navigate Plus POS
    Choice Plus POS
  • BlueCard PPO
  • Superior Health Plan
  • Blue Network S
    Blue Network P PPO

Where Dr. Nicholas Xenopoulos, MD Sees Patients

What Patients Say

Likelihood to recommend Dr. Xenopoulos
5.0
Based on 1 Reviews
5 Stars (1)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)

Leave a review

How likely are you to recommend Dr. Xenopoulos?

(Select your rating)
Patient Reviews
Jun 12, 2025
Dr. Xenopoulos is a very thorough and professional cardiologist. My wife and I have been a patient of his for the last several years and he is an excellent cardiologist. I trust his judgment and knowledge. I recommend him highly!
— Jun 12, 2025
See more reviews on Healthgrades
Claim Your Profile
Are you Dr. Nicholas Xenopoulos, MD?
Respond to reviews, add information, and reach more patients. Claiming is free and only takes a minute.

Claim my profile
Telehealth Options
This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Xenopoulos?
Call now to make an appointment
(865) 373-7100

Meet Dr. Nicholas Xenopoulos, MD

Languages Spoken
Greek
Languages Spoken
Specialties*
Internal Medicine
Interventional Cardiology
Cardiology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Xenopoulos communicate via email?
1 user said yes.
Yes
(1)
No
(2)
Does Dr. Xenopoulos offer telehealth services or virtual visits?
3 users said yes.
Yes
(3)
No
(0)
Does Dr. Xenopoulos offer an online patient portal?
3 users said yes.
Yes
(3)
No
(1)
Does Dr. Xenopoulos have free onsite parking?
6 users said yes.
Yes
(6)
No
(0)
Does Dr. Xenopoulos offer weekend visits?
No users said yes.
Yes
(0)
No
(2)
Does Dr. Xenopoulos offer evening visits?
No users said yes.
Yes
(0)
No
(2)
Does Dr. Xenopoulos specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Xenopoulos specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Xenopoulos specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Xenopoulos specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Xenopoulos accept insurance?
No responses yet.
Yes
(0)
No
(0)

FAQs About Dr. Xenopoulos's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Nicholas Xenopoulos, MD. To arrange an appointment, call the number on Dr. Xenopoulos's profile.

Dr. Xenopoulos frequently treats the following conditions: Hyperlipidemia, Aortic Valve Disease, Hypertensive Heart with Failure, Rheumatic Aortic Valve Disorders, Lipid Disorders, Hypertension, Coronary Artery Disease (CAD), Paroxysmal Atrial Fibrillation, Mitral and Aortic Valve Disorder, Aortic Ectasia, Pulmonary Hypertension, Atherosclerosis, Heart Valve Disorders, Atrial Fibrillation, Hypertensive Heart Disease, Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension), Congestive Heart Failure, Mitral Valve Disease, Chest Pain, Cardiomegaly, Sinus Bradycardia, Congenital Aortic Valve Disorders, Tricuspid Valve Disease, Syncope, Congenital Heart Defects, Heart Attack (Acute Myocardial Infarction), Heart Disease, Arrhythmias, Systolic Heart Failure, Hypertensive Heart and Chronic Kidney Disease, Aortic Stenosis, Sinus Tachycardia, Patent Foramen Ovale (PFO), Mitral Valve Regurgitation, Rheumatic Tricuspid Disease and Acute Coronary Syndrome. See more on Sharecare.

Dr. Nicholas Xenopoulos, MD is affiliated with Starr Regional Medical Center Athens and Parkwest Medical Center.

Yes, Dr. Nicholas Xenopoulos, MD holds board certification in Cardiovascular Disease and Interventional Cardiology.

Training & Medical Education
Medical Education
  • Aristotle University Of Thessaloniki, Faculty Of Medicine
    1985
Medical Education
Board Certifications
  • Cardiovascular Disease and Interventional Cardiology
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Internship
  • Good Samaritan Hospital-Johns Hopkins Hospital
    1989
Internship
Residency Hospital
  • East Carolina University School of Med
    1991
Residency Hospital
Fellowship Hospital
  • Wake Forest University
    1995
Fellowship Hospital

Hospitals Where Dr. Nicholas Xenopoulos, MD Practices

  • Starr Regional Medical Center Athens

    1114 W Madison Ave, Athens, TN

  • Parkwest Medical Center

    9352 Park West Blvd, Knoxville, TN

Explore More Providers