Dr. James Robert Hennessy MD Pediatric Cardiologist

Dr. James Hennessy is a pediatric cardiologist in Toledo, Ohio and is affiliated with multiple hospitals in the area, including Nationwide Children's Hospital and ProMedica Toledo Hospital. He received his medical degree from Cincinnati College of Medicine and Surgery and has been in practice for 43 years. Dr. Hennessy accepts several types of health insurance, listed below. He is one of 24 doctors at Nationwide Children's Hospital and one of 5 at ProMedica Toledo Hospital who specialize in Pediatric Cardiology. He also speaks multiple languages, including German.

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Office Location

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Specialty & Clinical Interests

Pediatric Cardiologist: General Pediatric Cardiology

Clinical Interests: Pediatrics, Heart

Hospital Affiliation

Mercy Willard Hospital

Nationwide Children's Hospital
Ranked #11 in Pediatrics: Cardiology & Heart Surgery

St. Rita's Medical Center

ProMedica Toledo Hospital

Education & Medical Training

Duke University Hospital
Residency, Pediatrics, 1971–1973

University of California at San Francisco
Fellowship, Pediatric Cardiology, 1973–1975

Cincinnati College of Medicine and Surgery
Class of 1971

University of Cincinnati College of Medicine
Class of 1971

Certifications & Licensure

Maintenance of Certification (MOC)
Certified 2 years in Pediatric cardiology

American Board of Pediatrics
Certified 38 years in Pediatrics

American Board of Pediatrics
Certified 31 years in Pediatric Cardiology

ID State Medical License
Active through 2015

MI State Medical License
Active through 2014

OH State Medical License
Active through 2014

Publications & Presentations

Descartes and the ECG Lettering Series
Henson, James R. 1971 4 1

Severe hypertrophic cardiomyopathy in an infant with a novel PRKAG2 gene mutation: potential differences between infantile and adult onset presentation.
Kelly, B.P., Russell, M.W., Hennessy, J.R., Ensing, G.J.

Echocardiographic estimate of left atrial pressure in children.
Levine, M., Davis, J. T., Hennessy, J. R., Roberts, S., Ehrlich, R.

See all 4 publications

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • Anthem Blue Access PPO
  • Anthem Blue Preferred HMO
  • BCBS Blue Card PPO
  • BCBS Illinois PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • Cofinity PPO
  • First Health PPO
  • Great West PPO
  • HealthAmerica HealthAssurance PPO
  • Humana ChoiceCare Network PPO
  • Medical Mutual of Ohio SuperMed Plus
  • Medical Mutual of Ohio SuperMed POS
  • Multiplan PHCS PPO
  • Multiplan PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO

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