This site is not optimized for Internet Explorer 8 (or older).

Please upgrade to a newer version of Internet Explorer or use an alternate browser such as Chrome or Firefox.

Gerhard Ziemer

Gerhard Ziemer, MD, PhD

Geisinger Medical Center: Heart Institute
100 N. Academy Avenue
Danville, PA  17822
United States
(570 ) 214-9727
(312) 912-5752 (alternative)
You need to be logged in to see this email (login)
Surgeon - Cardiothoracic


Kiel University Medical School (M.D.1978)
German Navy, Medical Officer, Hyperbaric Medicine (1979)
Hannover Medical School, General Surgery Residency (1980-1984)
Boston Children's Hospital Cardiovascular Surgery Residency (Senior-, Chief- 1984-1986)
Harvard Medical School Boston, Fellow in Surgery (1985)
Hannover Medical School, Cardiothoracic & Vascular Residency (Senior-, Chief- 1986-1988)
Hannover Medical School, Staff Surgeon,Assistant Professor Cardiothoracic Surgery (1988-1993)
Hannover Medical School, Senior Associate, Associate Professor Cardiothoracic Surgery (1993-1994)
Tuebingen University, Professor of Surgery (1995), Director Cardiothoracic & Vascular Surgery (1994-2009), Pediatric Cardiac Surgery (2009-2011)
University of Chicago, Professor of Surgery (2011-2018), Director Pediatric Cardiac Surgery, Adult Congenital Heart Surgery (2011- 2018)
Johns Hopkins All Children's Hospital, Saint Petersburg, FL, Director, Heart Institute, Chief, Cardiovascular Surgery (2018-2019)
Geisinger Heart Institute, Danville, PA, Director Pediatric Cardiac Surgery; Director, Adult Congenital Heart Surgery (2020-present), Professor of Surgery and Pediatrics, Geisinger Commonwealth School of Medicine, Scranton, PA (2021-pres.)

Other Interests

Reconstructive Valve Surgery
Pulmonary Valve Autograft (Ross-Proc.)
Aortic Surgery
Surgery for Congenital Heart Defects (Neonate-Adult)
Pediatric Tracheo-bronchial lesions
Consulting Surgeon National Institute Cardiac Surgery, Astana, Kazakhstan
Yearly Charity Missions Instituto Nacional de Salud del Nino, San Borja, Lima,Peru

Practice Areas

  • Cardiac
  • Congenital
  • Vascular
  • Cardiac
  • Electrophysiology/arrhythmia
  • Endocarditis
  • Extracorporeal circulation
  • Pericardium
  • Aortic valve disease
  • Mitral valve disease
  • Tricuspid valve disease
  • Lung
  • Pleura
  • Trachea and bronchi
  • Congenital thoracic
  • Congenital
  • Adult congenital procedures
  • Aorta