
Overview
Dr. Jonathan 'Blaine' John is board certified in pediatric cardiology, specializes in fetal cardiology, and is with BayCare Medical Group in Tampa Bay, Florida, where he sees patients from birth to age 21. Before joining BayCare Medical Group, he practiced at Pediatric Cardiology Associates. Dr. John earned a Doctor of Medicine from Jefferson Medical College in Philadelphia, Pennsylvania, performed a pediatrics residency at Shands Hospital/University of Florida in Gainesville, Florida, and completed pediatric cardiology and noninvasive imaging fellowships at Texas Children’s Hospital/Baylor College of Medicine in Houston, Texas. He received the MAP-Reader’s Digest International Fellowship and the Christian Medical Society's Westra Fellowship for his medical missionary work in Zambia, Africa.Dr. John’s clinical interests include pediatric cardiology, fetal cardiology, noninvasive imaging and cardiac intensive care medicine. He’s a Fellow of the American College of Cardiology and the American Society of Echocardiography. Dr. John is the director of pediatric cardiology and the director of fetal cardiology at St. Joseph’s Children’s Hospital. He’s affiliated with St. Joseph’s Hospital, St. Joseph’s Children’s Hospital and many other hospitals throughout Tampa Bay.
Dr. John is highly rated in 15 conditions, according to our data. His clinical expertise encompasses Pulmonary Valve Stenosis, Pulmonary Supravalvular Stenosis, Ventricular Septal Defects, and Patent Ductus Arteriosus.
Dr. John is board certified in AB Pediatrics (Pediatric Cardiology).
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Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
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- INDEMNITY
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Locations
427 S Parsons Ave, Ste 122, Brandon, FL 33511
508 S Habana Ave, Ste 280, Tampa, FL 33609
560 Jackson St N, Ste 140, Saint Petersburg, FL 33705
3003 W Dr Martin Luther King Jr Blvd, Fl 3, Tampa, FL 33607
BMG Pediatric Cardiology & Congenital Heart At St. Joseph's Hospital MAB
Dr. Jeremy Ringewald is fellowship trained in pediatric and congenital interventional cardiology, is board certified in pediatric cardiology and is with BayCare Medical Group in Tampa Bay, Florida, where he sees patients from birth throughout adulthood. Before joining BayCare Medical Group, he practiced at Pediatric Cardiology Associates, was on the faculty at the Medical University of South Carolina (2004-09) in Charleston, South Carolina, and was on the faculty at the Children’s Hospital at the University of Oklahoma Medical Center (2001-04) in Oklahoma City, Oklahoma. Dr. Ringewald earned a Doctor of Medicine from the University of Illinois in Chicago, Illinois, and performed a pediatric internship and residency at Rainbow Babies and Children’s Hospital/Case Western Reserve University in Cleveland, Ohio. He completed a pediatric cardiology fellowship at Children’s Memorial Hospital/Northwestern University in Chicago, Illinois, and a pediatric interventional cardiology fellowship at Texas Children's Hospital/Baylor College of Medicine in Houston, Texas.Dr. Ringewald was the first pediatric interventional cardiologist in Oklahoma and the first in the state to close an atrial septal defect and a ventricular septal defect without open-heart surgery. At the Medical University of South Carolina, he served as co-director of the cardiac catheterization labs and director of the heart transplant program. While there, Dr. Ringewald contributed to several U.S. FDA clinical trials testing new devices and new medications in the catheterization lab. He has performed over 6,000 cardiac catheterizations and is a national leader in the field. Dr. Ringewald is a consultant for several medical industry vendors and teaches other physicians to perform the procedures he helped pioneer. He’s also an experienced researcher and has published numerous articles in medical journals.A few of the interventional program milestones achieved under Dr. Ringewald’s leadership at St. Joseph’s Hospital include many first applications, such as the Medtronic/Melody transcatheter pulmonary valve in Tampa Bay, the Edwards/Sapien transcatheter pulmonary valve in central Florida, the Gore/Cardioform ASD device in Florida, the Abbott/Piccolo device implant in a NICU premie in Tampa Bay, the Medtronic/Harmony transcatheter pulmonary valve in Florida, a Renata/Minima infant stent in the Southeastern U.S., and the world’s leading implanter of Alterra/Sapien transcatheter pulmonary valves in 2023.\xa0Dr. Ringewald educates his patients and their families about their unique cardiac conditions and includes them when developing the most viable treatment plan. He’s a Fellow of the Society for Cardiac Angiography and Interventions. Dr. Ringewald has served as the director of the cardiac catheterization labs at St. Joseph’s Children’s Hospital for over 10 years. He’s affiliated with St. Joseph’s Hospital, St. Joseph’s Children’s Hospital and many other hospitals throughout Tampa Bay. Dr. Ringewald is highly rated in 27 conditions, according to our data. His clinical expertise encompasses Pulmonary Valve Stenosis, Tetralogy of Fallot, Pulmonary Supravalvular Stenosis, and Double Inlet Left Ventricle. Dr. Ringewald is board certified in AB Pediatrics (Pediatric Cardiology).
Bay Pediatric Cardiology
Elsa Suh is a Pediatric Cardiologist practicing medicine in Tampa, Florida. Dr. Suh is highly rated in 32 conditions, according to our data. Her clinical expertise encompasses Pulmonary Valve Stenosis, Double Inlet Left Ventricle, Pulmonary Supravalvular Stenosis, and Subpulmonary Stenosis. Dr. Suh is board certified in AB Pediatrics (Pediatric Cardiology).
Pediatrix Cardiology Associates
Dr. Suying Lam Barriga is board certified in pediatrics, pediatric cardiology and adult congenital heart disease and is with BayCare Medical Group in Tampa Bay, Florida, where she sees patients from birth throughout adulthood. Before joining BayCare Medical Group, she practiced at Pediatric Cardiology Associates. Dr. Lam Barriga earned a Doctor of Medicine from the Universidad Católica Santiago de Guayaquil in Guayaquil, Ecuador, performed a pediatric internship and residency at St. Barnabas Hospital in the Bronx, New York, and completed a pediatric cardiology fellowship at Jackson Memorial Hospital/Holtz Children’s Hospital in Miami, Florida. Dr. Lam Barriga's clinical interests include caring for adults living with congenital heart disease, cardio-obstetrics, transition from pediatric to adult care and pulmonary hypertension secondary to congenital heart disease. Dr. Lam Barriga is a member of the Adult Congenital Heart Association and the American Academy of Pediatrics. She’s affiliated with St. Joseph’s Hospital, St. Joseph’s Children’s Hospital and many other hospitals throughout Tampa Bay. Dr. Barriga is highly rated in 32 conditions, according to our data. Her clinical expertise encompasses Transposition of the Great Arteries, Tetralogy of Fallot, Double Inlet Left Ventricle, and Bicuspid Aortic Valve. Dr. Barriga is board certified in Pediatric Cardiology and Pediatrics.
Frequently Asked Questions about Dr. Jonathan B. John
How do I make an appointment with Dr. Jonathan B. John?
You can book an appointment with Dr. Jonathan B. John by calling their office at 813-554-8701. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Jonathan B. John a top-rated expert for Pulmonary Valve Stenosis?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Jonathan B. John is classified as an Advanced expert for Pulmonary Valve Stenosis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Jonathan B. John specialize in?
While Dr. Jonathan B. John is a Pediatric Cardiology, they have specific expertise in Pulmonary Valve Stenosis, Pulmonary Supravalvular Stenosis, and Ventricular Septal Defects. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Pediatric Cardiology.
Does Dr. Jonathan B. John accept my insurance?
Dr. Jonathan B. John accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 813-554-8701 to verify that your specific plan is currently accepted before your visit.
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
- Advanced
- Bicuspid Aortic ValveDr. John isAdvanced. Learn about Bicuspid Aortic Valve.
- Coarctation of the AortaDr. John isAdvanced. Learn about Coarctation of the Aorta.
- Congenital Mitral Malformation
- Congenital Mitral StenosisDr. John isAdvanced. Learn about Congenital Mitral Stenosis.
- Isthmian CoarctationDr. John isAdvanced. Learn about Isthmian Coarctation.
- Patent Ductus ArteriosusDr. John isAdvanced. Learn about Patent Ductus Arteriosus.
- Experienced
- Aberrant Subclavian ArteryDr. John isExperienced. Learn about Aberrant Subclavian Artery.
- Anomalous Left Coronary Artery from the Pulmonary Artery
- Aortic RegurgitationDr. John isExperienced. Learn about Aortic Regurgitation.
- ArachnodactylyDr. John isExperienced. Learn about Arachnodactyly.
- ArrhythmiasDr. John isExperienced. Learn about Arrhythmias.
- Asthma in ChildrenDr. John isExperienced. Learn about Asthma in Children.


