Dr. Johnny Dy, MD

Dr. Johnny Dy, MD

Cardiology  ·  
Male  ·  
Age 55
Dr. Johnny Dy, MD is a cardiology specialist in Lenoir, NC and has been practicing for 20 years. He graduated from De La Salle University / College Of Medicine and specializes in cardiology and internal medicine.

224 Sharon Ave NW

Lenoir, NC 28645

Contact Information

(828) 572-0778

Insurance Accepted

  • Aetna
  • Assurant Health
  • Cigna
  • Commercial Insurance Company
  • CoreSource
  • Coventry Health Care
  • EmblemHealth
  • HealthSmart
  • 9 More

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Learn about Dr. Dy

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Dy performs your care needs compared to other doctors.

Chest Pain
very high
more than 99% of peers
Heart Palpitations
very high
more than 98% of peers
Coronary Artery Disease (CAD)
very high
more than 97% of peers

Dr. Dy's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

2  Specialties

  • Cardiology
  • Internal Medicine

2  Board Certifications

  • Cardiovascular Disease
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*

52  Conditions Treated

  • Aneurysm
  • Aneurysm and Dissection of Heart
  • Aneurysm of Heart
  • Angina and Acute Coronary Syndrome
  • Aortic Aneurysm
  • Aortic Ectasia
  • Aortic Embolism and Thrombosis
  • Aortic Stenosis
  • Aortic Valve Disease
  • Aortic Valve Regurgitation
  • Arrhythmias
  • Atrial Fibrillation
  • Atrial Flutter
  • Autonomic Disorders
  • Benign Tumor
  • Cardiomegaly
  • Cardiomyopathy
  • Carotid Artery Disease
  • Chest Pain
  • Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
  • Congenital Heart Defects
  • Congenital Heart Disease
  • Congestive Heart Failure
  • Coronary Artery Disease (CAD)
  • Coronary Artery Dissection
  • Endocarditis
  • Heart Attack (Acute Myocardial Infarction)
  • Heart Disease
  • Heart Murmur
  • Heart Palpitations
  • Hyperlipidemia
  • Hypertension
  • Hypertensive Chronic Kidney Disease
  • Hypertensive Heart and Chronic Kidney Disease
  • Hypertensive Heart Disease
  • Hypotension
  • Limb Swelling
  • Limb Swelling Caused by Fluid Overload
  • Mitral Valve Disease
  • Mitral Valve Regurgitation
  • Mitral Valve Stenosis
  • Pericardial Disease
  • Pulmonary Disease
  • Pulmonary Edema
  • Pulmonary Hypertension
  • Pulmonary Valve Disease
  • Septal Defect
  • Syncope
  • Tetralogy of Fallot
  • Thrombosis
  • Tricuspid Valve Disease
  • Vascular Disease


Read Less

12  Procedures

Background Check

0 Malpractice Claims

No malpractice history found for North Carolina.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • De La Salle University / College Of Medicine
    Medical School | Graduated
  • Allegheny University Hosps
    Residency Hospital | Completed 1998
  • Med College Of Pa and Hospital
    Residency Hospital | Completed 1997

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Dy has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Dy does not have any memberships or affiliations listed. If you are Dr. Dy and would like to add memberships or affiliations, please update your profile.

Dr. Dy's Reviews

Likelihood of recommending Dr. Dy to family and friends
7 total reviews (2 have comments)

Likelihood to Recommend (7)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Dy's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    10 to 15 minutes

Patient Comments (2)

I just waited over an hour to see him and he wasn't even in the office. He arrived while I was waiting for my refund for the visit since I had not yet seen him. Office policy is to schedule patients prior to his arrival to get things rolling. I was not the first patient in line with a 9:45...more
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I have been going to Dr Dy for about 15 years and I highly recommend his practice to anyone. Him and his staff are very very good and they are extremly polite. They treat you like family and they do care about your health
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