Dr. Peter Julian Horneffer MD Thoracic and Cardiac Surgeon

Dr. Peter Horneffer is a thoracic and cardiac surgeon in Towson, Maryland. He is affiliated with multiple hospitals in the area, including Greater Baltimore Medical Center and Peninsula Regional Health System. He received his medical degree from Johns Hopkins University School of Medicine and has been in practice for 33 years. Dr. Horneffer accepts several types of health insurance, listed below. He is one of 4 doctors at Greater Baltimore Medical Center and one of 3 at Peninsula Regional Health System who specialize in Thoracic & Cardiac Surgery.

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Office Location

See Contact Information

Specialty & Clinical Interests

Thoracic and Cardiac Surgeon: General Cardiac/Thoracic Surgery

Clinical Interests: Cardiac Surgical Procedures, Medical Education

Education & Medical Training

Johns Hopkins University
Residency, General Surgery, 1981 - 1983

Johns Hopkins University
Residency, Thoracic Surgery, 1983 - 1985

Johns Hopkins University
Residency, General Surgery, 1985 - 1987

Johns Hopkins University
Fellowship, Thoracic Surgery, 1987 - 1990

Johns Hopkins University School of Medicine
Class of 1981

Certifications & Licensure

American Board of Internal Medicine
Certified 12 years in Internal Medicine

American Board of Internal Medicine
Certified 9 years in Endocrinology, Diabetes and Metabolism

MA State Medical License
Active through 2013

Publications & Presentations

Reperfusion before global ischemic arrest improves the salvage of infarcting myocardium.
Horneffer, P. J., Gott, V. L., Gardner, T. J.

The use of muscle flaps in the repair of aortic defects.
Horneffer, P. J., French, J. H., Hutchins, G. M., Gardner, T. J.

Stroke following coronary artery bypass grafting: a ten-year study.
Gardner, T. J., Horneffer, P. J., Manolio, T. A., Pearson, T. A., Gott, V. L., Baumgartner, W. A., Borkon, A. M., Watkins, L., Reitz, B. A.

See all 17 publications

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • Capital Blue Cross PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • First Health PPO
  • Great West PPO
  • HealthAmerica HealthAssurance PPO
  • HealthLink PPO
  • Highmark BCBS ClassicBlue
  • Highmark BCBS PPOBlue
  • Multiplan PHCS PPO
  • Multiplan PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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