Gansevoort H Dunnington, Jr., MD
Cardiothoracic Surgery
Highlights
Age Groups Seen
- Adult 21-65
- Older Adult >65
Languages
- English
Gender
MaleAbout Gansevoort H Dunnington, Jr.
About The Provider
Dr. Gan Dunnington is a board certified cardiothoracic surgeon, specializing in minimally invasive complex cardiac procedures such as the Hybrid Maze for treatment of atrial fibrillation, mitral valve repair and replacement, transcatheter aortic valve replacement as well as VATS lobectomy for the treatment of lung cancer. Dr. Dunnington received his medical degree from Medical College of Virginia. He completed his residency at Stanford University where he also served as Chief Resident of Surgery. In addition, he also completed a fellowship in cardiothoracic surgery at the University of Virginia.
Prior to joining Adventist Heart Institute, Dr. Dunnington was an assistant professor at Stanford University and assistant director of cardiothoracic surgery at El Camino Hospital—a Stanford University affiliate.
Provider Type
Physician
Video
Locations
- Adventist Heart Institute: Adventist Health St. Helena
- 6 Woodland Road, Suite 304, Saint Helena, CA 94574
- Get Directions
- phone: 707-963-7200
- 401 I Street, Marysville, CA 95901
- Get Directions
- phone: 530-743-5125
Expertise
Education
- Medical School: Virginia Commonwealth University Medical School
- Residency Program: Stanford University Medical Center
- Fellowship Program: University of Virginia Medical Center
- Post Graduate Education: Virginia Commonwealth University Medical School
Board Certifications
- Thoracic Surgery: American Board of Thoracic Surgery, 2011
- Thoracic and Cardiac Surgery: American Board of Thoracic Surgery, 2011
- Surgery (General Surgery): American Board of Surgery, 2008
Insurance
- Adventist Health Employee Health Plan / Incentive Health
- Aetna
- Blue Cross
- Blue Cross Medi-cal
- Blue Shield
- CA Health & Wellness
- Cigna
- Coventry
- Galaxy
- Health Net
- Health Smart
- IPA Meritage
- IPA Providence
- Medi-cal ORP1
- Medicare
- MultiPlan
- Networks By Design
- Nivano Physicians IPA
- Pacific Foundation for Medical Care
- Partnership Health Plan of CA
- Tricare
- Triwest1
- UHC
- Western Growers
Ratings & Reviews
4.9 out of 5
71 ratings, 11 reviewsOur providers are at the heart of delivering whole-person care. We encourage patients to share their experiences through a patient satisfaction survey they receive following visits. Provider star ratings are calculated using patient responses to provider-focused questions in this survey. Please see the provider’s star rating and patient reviews below. Thank you for giving Adventist Health the opportunity to support your best health.
- 5 out of 5 starsReviewed on 2/19/2026
I felt very comfortable with Dr. Dunnington he explained everything about my case, he listened to me and answered all my questions. He gave a way to be able to call him to talk to him about my case. He put me at ease with my up coming surgery.
- 5 out of 5 starsReviewed on 2/18/2026
Dr Dunnington was very kind he explained things very well and asked if we had questions
- 5 out of 5 starsReviewed on 2/18/2026
Listened very carefully and was very up to date in my health status.
- 5 out of 5 starsReviewed on 2/11/2026
Clarified my questioned very well.
- 5 out of 5 starsReviewed on 11/19/2025
I trust this dr
- 5 out of 5 starsReviewed on 11/18/2025
Dr Dunnington listened wellAnd answered all of my questions very thoroughly
- 5 out of 5 starsReviewed on 11/14/2025
Dr. Dunnington was fantastic and listened to everything I had to say.
- 5 out of 5 starsReviewed on 10/4/2025
Dr. Dunnington was suppose to get back to me after reviewing the Disc of my heart (he could not get it to work at my appointment) have not heard from him yet I sent message a few days after my appointment
- 5 out of 5 starsReviewed on 7/20/2025
Answered all relevant questions to my satisfaction.
- 5 out of 5 starsReviewed on 7/16/2025
Dr Dunnington was great, explained things very well & was very reassuring/encouraging as to my situation.
- 5 out of 5 starsReviewed on 6/19/2025
Doctors was very positive and and forthcoming about my procedure