
Overview
Douglas Johnston is a Thoracic Surgeon in Chicago, Illinois. Dr. Johnston has been practicing medicine for over 27 years and is rated as an Experienced provider by MediFind in the treatment of Anomalous Left Coronary Artery from the Pulmonary Artery. His top areas of expertise are Constrictive Pericarditis, Bicuspid Aortic Valve, Aortic Regurgitation, Heart Valve Repair, and Transcatheter Aortic Valve Replacement (TAVR).
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Cardiac Surgery Associates, SC
Todd Guynn is a Thoracic Surgeon in Chicago, Illinois. Dr. Guynn is rated as an Advanced provider by MediFind in the treatment of Anomalous Left Coronary Artery from the Pulmonary Artery. His top areas of expertise are Carotid Artery Disease, Abdominal Aortic Aneurysm (AAA), Aortic Valve Stenosis, Heart Bypass Surgery, and Heart Valve Repair.
Cardiac Surgery Associates, SC
Juan Bonilla is a Thoracic Surgeon in Downers Grove, Illinois. Dr. Bonilla is rated as an Advanced provider by MediFind in the treatment of Anomalous Left Coronary Artery from the Pulmonary Artery. His top areas of expertise are Carotid Artery Disease, Pleuropulmonary Blastoma, Aortic Valve Stenosis, Heart Bypass Surgery, and Heart Valve Repair.
Amy O'connor is a Pediatric Cardiologist and a Thoracic Surgeon in Chicago, Illinois. Dr. O'connor is rated as an Advanced provider by MediFind in the treatment of Anomalous Left Coronary Artery from the Pulmonary Artery. Her top areas of expertise are Hypoplastic Left Heart Syndrome (HLHS), Mitral Atresia, Double Outlet Right Ventricle, Pulmonary Atresia with Ventricular Septal Defect, and Heart Transplant.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Constrictive PericarditisDr. Johnston isDistinguished. Learn about Constrictive Pericarditis.
- Advanced
- Aortic DissectionDr. Johnston isAdvanced. Learn about Aortic Dissection.
- Aortic RegurgitationDr. Johnston isAdvanced. Learn about Aortic Regurgitation.
- Aortic Valve ReplacementDr. Johnston isAdvanced. Learn about Aortic Valve Replacement.
- Aortic Valve StenosisDr. Johnston isAdvanced. Learn about Aortic Valve Stenosis.
- Atrial MyxomaDr. Johnston isAdvanced. Learn about Atrial Myxoma.
- Bicuspid Aortic ValveDr. Johnston isAdvanced. Learn about Bicuspid Aortic Valve.
- Experienced
- Adenosine Deaminase 2 DeficiencyDr. Johnston isExperienced. Learn about Adenosine Deaminase 2 Deficiency.
- Aneurysm RepairDr. Johnston isExperienced. Learn about Aneurysm Repair.
- Anomalous Left Coronary Artery from the Pulmonary Artery
- ArachnodactylyDr. Johnston isExperienced. Learn about Arachnodactyly.
- Cardiac TamponadeDr. Johnston isExperienced. Learn about Cardiac Tamponade.
- Congenital Coronary Artery MalformationDr. Johnston isExperienced. Learn about Congenital Coronary Artery Malformation.

