Overview
Ryan Callahan is an Interventional Cardiologist and a Pediatrics provider in Philadelphia, Pennsylvania. Dr. Callahan is highly rated in 6 conditions, according to our data. His top areas of expertise are Pulmonary Vein Stenosis, Infantile Pneumothorax, Total Anomalous Pulmonary Venous Return, Pulmonary Valve Stenosis, and Stent Placement.
His clinical research consists of co-authoring 65 peer reviewed articles and participating in 1 clinical trial. MediFind looks at clinical research from the past 15 years.
Insurance
Please contact the provider to confirm they accept your insurance or if you don't see your insurance listed.
Accepted insurance plans
- Humana
Locations
3401 Civic Ctr Blvd, Philadelphia, PA 19104
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.
1 Clinical Trials
University Of Penn - Medical Group
Howard Herrmann is an Interventional Cardiologist and a Cardiologist in Philadelphia, Pennsylvania. Dr. Herrmann is highly rated in 32 conditions, according to our data. His top areas of expertise are Aortic Valve Stenosis, Mitral Valve Regurgitation, Patent Foramen Ovale, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).
Childrens Health Care Associates Inc
Matthew O'connor is a Pediatric Cardiologist and a Cardiologist in Philadelphia, Pennsylvania. Dr. O'connor has been practicing medicine for over 21 years is highly rated in 8 conditions, according to our data. His top areas of expertise are Pediatric Myocarditis, Congenital Heart Disease (CHD), Cardiomyopathy, Heart Transplant, and Pacemaker Implantation.
Jack Rychik is a Pediatric Cardiologist and a Cardiologist in Philadelphia, Pennsylvania. Dr. Rychik has been practicing medicine for over 40 years is highly rated in 16 conditions, according to our data. His top areas of expertise are Hypoplastic Left Heart Syndrome (HLHS), Lymphangiectasis, Congenital Pulmonary Lymphangiectasia, Congenital Heart Disease (CHD), and Heart Transplant.
Areas of Expertise
When evaluating expertise, MediFind pulls from factors such as the 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.
To learn more about how MediFind determines the expertise levels, check out our expert tiers page.
- Distinguished
- Infantile Pneumothorax
- Advanced
- Hypoplastic Left Heart Syndrome (HLHS)
- Patent Ductus Arteriosus
- Pulmonary Valve Stenosis
- Total Anomalous Pulmonary Venous Return
- Experienced
- Aortic Valve Stenosis
- Atrial Septal Defect (ASD)
- Coarctation of the Aorta
- Congenital Cardiovascular Shunt
- Congenital Coronary Artery Malformation
- Congenital Heart Disease (CHD)