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Dr. Jonathan Alexander, MD
Cardiology* Age 78
Dr. Jonathan Alexander, MD

Offers telehealth

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Dr. Jonathan Alexander, MD is a Cardiologist in Ridgefield, CT.
Dr. Jonathan Alexander, MD
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Dr. Jonathan Alexander, MD

Cardiology* Age 78
Ridgefield, CT
Accepting new patients
53 years of experience

Offers telehealth

Dr. Jonathan Alexander, MD is a Cardiologist in Ridgefield, CT.
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About Dr. Jonathan Alexander, MD

Dr. Alexander graduated from Albert Einstein College of Medicine. Dr. Jonathan Alexander, MD is a Cardiologist in Ridgefield, CT and has 53 years experience. Dr. Alexander has experience treating conditions like Chest Pain, Hyperlipidemia, Lipid Disorders, Hypertension, Atherosclerosis, Coronary Artery Disease (CAD), Aortic Ectasia, Heart Palpitations, Aortic Valve Disease, Aortic Stenosis and Mitral Valve Prolapse among other conditions at varying frequencies. Dr. Alexander's office accepts new patients and telehealth appointments. Dr. Alexander is board certified in Cardiovascular Disease and accepts multiple insurance plans.

Experience Check

Enter a condition or procedure
Chest Pain
Hyperlipidemia
Lipid Disorders
Chest Pain
Hyperlipidemia
Lipid Disorders
Hypertension
Atherosclerosis
Coronary Artery Disease (CAD)
Aortic Ectasia
Heart Palpitations
Aortic Valve Disease
Aortic Stenosis
Mitral Valve Prolapse
Heart Disease
Heart Valve Disorders
Syncope
  • View other providers who treat Syncope
Peripheral Edema
Arrhythmias
Hypertensive Heart Disease
Cardiomegaly
Heart Attack (Acute Myocardial Infarction)
Peripheral Vascular Disease (PAD, PVD)
Sinus Tachycardia
Cardiomyopathy
Acute Coronary Syndrome
Electrocardiogram (EKG)
Vascular Duplex Ultrasonography and Plethysmography
Acute Deep Vein Thrombosis (DVT)
Mitral Valve Disease
Acute Venous Embolism Thrombosis
Hypertensive Heart without Failure
Atrial Fibrillation
Mitral Valve Regurgitation
Mitral and Aortic Valve Disorder
Rheumatic Tricuspid Disease
Rheumatic Aortic Valve Disorders
Pericardial Disease
Carotid Artery Disease
Heart Attack (NSTEMI)
Acute Congestive Heart Failure
Heart Attack (STEMI)
Cardiac Ultrasound
Hypertensive Heart with Failure
Cardiac Myocardial Perfusion Imaging
Deep Vein Thrombosis (DVT)
Congestive Heart Failure
Tricuspid Valve Disease
Aortic Valve Regurgitation
Hypertensive Heart and Chronic Kidney Disease
Angina
  • View other providers who treat Angina
Atherosclerosis of Aorta
Supraventricular Tachycardia
Congenital Heart Defects
Sinus Bradycardia
Sick Sinus Syndrome
Third Degree Heart Block
Atrial Flutter
Hypertensive Chronic Kidney Disease
Systolic Heart Failure
Paroxysmal Atrial Fibrillation
Aortic Aneurysm
First Degree Heart Block
Heart Murmur
Congenital Aortic Valve Disorders
Vitamin D Deficiency
Hypokalemia
Chronic Congestive Heart Failure
Ventricular Tachycardia (VT)
Unstable Angina
Hypotension
Hypotension (Excluding Maternal)
Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
Pulmonary Hypertension
Pulmonary Valve Disease
Atrial Septal Defect
Aneurysm
  • View other providers who treat Aneurysm
Aneurysm and Dissection of Heart
Aneurysm of Heart
Aortic Dissection
Aortic Embolism and Thrombosis
Autonomic Disorders
Cardiac Tamponade
Cardiomyopathy, Dilated
Cardiomyopathy, Hypertrophic
Coarctation of the Aorta
Congenital Heart Disease
Constrictive Pericarditis
Coronary Artery Dissection
Ehlers-Danlos Syndrome
Endocarditis
Hyperkalemia
Limb Swelling
Long COVID Disorder
Long QT Syndrome
Marfan Syndrome
Mitral Valve Stenosis
Muscular Dystrophy (MD)
Noninfective Endocarditis
Nonrheumatic Mitral Stenosis
Nonrheumatic Tricuspid Disease
Orthostatic Hypotension
Patent Foramen Ovale (PFO)
Pericarditis
Peripheral Arterial Disease of Extremities
Primary Pulmonary Hypertension
Prinzmetal Angina
Rheumatic Mitral Stenosis
Scleroderma
Second Degree Heart Block
Septal Defect
Tetralogy of Fallot
Type 2 Heart Block - Mobitz
Typical Atrial Flutter
Vascular Disease
Venous Hypertension
Ventricular Fibrillation
Ventricular Septal Defect
Wolff-Parkinson-White Pattern
Arrhythmia Screening
Automatic Implantable Cardioverter Defibrillator (ICD) Implantation
Cardiac Imaging
Cardiac MRI (Magnetic Resonance Imaging) of Heart or Chest
Cardiovascular Diagnostic Test
Cardiovascular Stress Test
Chest Pain Evaluation
Cholesterol Screening
Coronary Angiogram
Dobutamine Thallium Stress Test
HeartAware Online Risk Screening
Nuclear Stress Testing
Peripheral Arterial Disease Screening (PAD)
Pharmacologic Nuclear Stress Test
Pharmacologic Stress Test, Adenosine
Stress Test
Structural Heart Disease Evaluations and Treatment
TCD Bubble Test
Tilt Table Testing
Treadmill Stress Test

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Emblem Health
  • GEHA
  • Medicare
  • Medicaid
  • Coventry Health Care
  • MVP Health Care
  • Curative EPO
    Curative PPO Plus
    Curative PPO
  • Empire Blue Cross Blue Shield
  • Amerigroup (Wellpoint)
  • National Elevator
  • Golden Rule
  • Oxford Health Plans
  • Humana
  • Assurant Health
  • United Healthcare
  • Blue Cross Blue Shield
  • Health Net
  • Connecticare
  • Community Health Network
  • Cigna
  • MultiPlan PPO
  • Aetna
  • Commercial Insurance Company
  • Anthem
  • HealthyBlue Advantage
  • Community Health Choice
  • First Health (Coventry Health Care)
  • Staywell (Wellcare)
  • Harvard Pilgrim Health Care PPO
  • POMCO Group

Where Dr. Jonathan Alexander, MD Sees Patients

  1. 1 Nuvance Ridgefield Primary Care
    21 South St, Ridgefield, CT 06877
  2. 2 Nuvance Health Cardiothoracic Surgery-Danbury
    111 Osborne St Ste 131, Danbury, CT 06810
  3. 3 Danbury Hospital
    24 Hospital Ave, Danbury, CT 06810
  4. 4 Danbury Hospital Medical Arts Center (Dhmac)
    111 Osborne St, Danbury, CT 06810

What Patients Say

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Telehealth Options
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Call now to make an appointment
(203) 438-1323

Meet Dr. Jonathan Alexander, MD

Specialties*
Cardiology
Internal Medicine
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.
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Does Dr. Alexander offer an online patient portal?
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FAQs About Dr. Alexander'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. Jonathan Alexander, MD. To arrange an appointment, call the number on Dr. Alexander's profile.

Dr. Alexander frequently treats the following conditions: Chest Pain, Hyperlipidemia, Lipid Disorders, Hypertension, Atherosclerosis, Coronary Artery Disease (CAD), Aortic Ectasia, Heart Palpitations, Aortic Valve Disease, Aortic Stenosis and Mitral Valve Prolapse. See more on Sharecare.

Dr. Jonathan Alexander, MD is affiliated with Danbury Hospital.

Yes, Dr. Jonathan Alexander, MD holds board certification in Cardiovascular Disease and Internal Medicine.

Training & Medical Education
Medical Education
  • Albert Einstein College of Medicine
    1973
Medical Education
Board Certifications
  • Cardiovascular Disease and Internal Medicine
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.
Fellowship Hospital
  • Yale New Haven Hospital
    1978
Fellowship Hospital

Hospitals Where Dr. Jonathan Alexander, MD Practices

  • Danbury Hospital

    24 Hospital Ave, Danbury, CT

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