Dr. Gansevoort Dunnington Jr, MD

Dr. Gansevoort Dunnington Jr, MD

Cardiac Surgery  ·  
Male  ·  
44 y/o

Accepting new patients

Dr. Gansevoort Dunnington Jr, MD is a cardiac surgery specialist in Saint Helena, CA and has been practicing for 8 years. He specializes in cardiac surgery, thoracic surgery, and more.

Adventist Heart & Vascular Institute

6 Woodland Rd Ste 304

Saint Helena, CA 94574
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Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Cigna
  • First Health (Coventry Health Care)
  • Health Net
  • Humana
  • Medicaid of California
  • MultiPlan

Learn about Dr. Dunnington Jr

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. Dunnington Jr performs your care needs compared to other doctors.

Maze Procedure
very high
more than 98% of peers
Chest CT (incl. Heart and Lungs)
very high
more than 96% of peers
Lung Surgery
very high
more than 95% of peers

Dr. Dunnington Jr'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.

Care Philosophy

This content was provided by Dr. Dunnington Jr "Every patient is a unique individual and care must be given accordingly. My aim is to deliver state of the art care with as minimally invasive an approach as possible."

3  Specialties

  • Cardiac Surgery
  • Cardiothoracic Surgery (Physician Assistant)
  • Thoracic Surgery

4  Board Certifications

  • Cardiovascular Surgery
    Accredited by: American Board of Medical Specialties*
  • General Surgery
    Accredited by: American Board of Surgery*
  • Thoracic Cardiovascular Surgery
    Accredited by: American Board of Thoracic Surgery*
  • Thoracic Surgery
    Accredited by: American Board of Thoracic Surgery*

53  Conditions Treated

  • Aneurysm
  • Aneurysm of Heart
  • Angina and Acute Coronary Syndrome
  • Aortic Aneurysm
  • Aortic Diseases
  • Aortic Dissection
  • Aortic Ectasia
  • Aortic Embolism and Thrombosis
  • Aortic Stenosis
  • Aortic Valve Disease
  • Aortic Valve Regurgitation
  • Arrhythmias
  • Atrial Fibrillation
  • Atrial Flutter
  • Benign Tumor
  • Cancer
  • Cardiomegaly
  • Cardiomyopathy
  • Carotid Artery Disease
  • Congenital Aortic Valve Disorders
  • Congenital Heart Defects
  • Congenital Heart Disease
  • Congestive Heart Failure
  • Coronary Artery Disease (CAD)
  • Empyema
  • Endocarditis
  • Esophageal Cancer
  • Esophageal Diseases
  • Heart Attack (Acute Myocardial Infarction)
  • Heart Disease
  • Heart Tumors, Benign
  • Hiatal Hernia
  • Lung Cancer
  • Lung Neoplasms, Not Specified as Malignant
  • Mediastinal Tumors, Malignant
  • Mediastinal Tumors, Not Specified as Malignant
  • Mitral Valve Disease
  • Mitral Valve Regurgitation
  • Mitral Valve Stenosis
  • Neuroendocrine Tumors
  • Pericardial Disease
  • Peripheral Arterial Aneurysm
  • Peripheral Arterial Aneurysm and Dissection
  • Pleura Cancer
  • Pleural Cancer
  • Pulmonary Disease
  • Pulmonary Embolism
  • Ruptured Aortic Aneurysm
  • Septal Defect
  • Thoracoabdominal Aortic Aneurysm
  • Thrombosis
  • Thymomas
  • Vascular Disease
Read Less

79  Procedures

Read Less

Background Check

0 Malpractice Claims

No malpractice history found for California.

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.


  • Duke University
    Undergraduate School | Graduated 1996
  • Virginia Commonwealth University School Of Medicine
    Medical School | Graduated 2001
  • Virginia Commonwealth University / Medical College Of Virginia School Of Dentistry
    Internship Hospital | Completed 2002
  • Stanford Univsersity-General Surgery
    Residency Hospital | Completed 2008
  • University Of Virginia-Thoracic Surgery
    Fellowship Hospital | Completed 2010

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Dunnington Jr has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

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

Dr. Dunnington Jr's Reviews

Likelihood to recommend Dr. Dunnington Jr


Based on 15 reviews

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Average Wait Time
  • 10 – 15 minutes
Dr. Dunnington Jr's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Gansevoort Dunnington Jr, MD
Things seemed to move very fast when preparing for my surgery. TheHospital staff (Carrie) made me feel so at home that being nervous was not an option. I’m so thankful to Dr Dunnington for saving my life. I’m in recovery and doing well.
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Richard Martin in Sonoma Ca – Jan 03, 2018
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Great Great Great
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Charles Doyle in Cloverdale – Oct 01, 2017
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Since I had my surgery nobody called to check on me and I put myself in short disability and I have to give the number to them and I did give the number for my disability and I have been calling over a week nobody's returning my phone call and every time I called dr. Assistant always giving me...Read More
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Esen Houston in Fairfield, CA – Aug 18, 2017
Hi, Esen. Thank you for taking the time to share...Read More
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Wonderful surgeon, caring, and very attentive to my needs.
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san francisco, ca – Apr 02, 2017
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Dr Dunnington successfully eliminated my atrial fib (24 months ago and counting) He has a can-do attitude and inspires ease and confidence. Dr Dunnington is oriented toward FIXING your problem- not just prescribing medication while hoping for the best.
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Jack Magne in Willits, Ca – Sep 04, 2016
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