Todd Merchen

Mason Distinguished Chair in Trans Surgery & Immun

Todd Merchen

Mason Distinguished Chair in Trans Surgery & Immun

Associate Professor

Academic Appointment(s)

Medical College of Georgia
Department of Surgery: Transplant

Medical College of Georgia
Department of Medicine


Dr. Todd Merchen, Mason Distinguished Chair of Transplant Surgery and Immunology, has been a faculty member at the Medical College of Georgia since 2007 and Chief of Transplant Surgery/Program Director of the Abdominal Transplant Program at MCG since 2012. A native of Savannah, Dr. Merchen earned his bachelors degree at the University of Georgia and his medical degree at Mercer University School of Medicine. He completed his residency at Wright State University School of Medicine in Dayton in 2002, OH followed by a Liver, Pancreas and Kidney Transplant Surgery Fellowship at the University of Cincinnati College of Medicine in 2004.

  • (706) 721-4761
  • (706) 721-1107
  • AD 3401


  • MD, Medicine. Mercer University - School of, 1997

  • BS, Biochemistry University of Georgia, 1993


  • PHY GA State Bd of Med Examiners, 2007

  • ABS 2005

Awards & Honors

  • Member of Medical College of Georgia Faculty Senate 2009

  • Coordinated Mock Oral Schedule for the Medical College of Georgia and the Dwight David Eisenhower Army Medical Center Senior Surgical Residents 2008

Courses Taught Most Recent Academic Year

  • RSUR 5000

  • SURG 5000

    Basic Clkshp in Surgery Core
  • SURG 5007

    Surgery Sub-I

Teaching Interests

Dr. Merchen’s clinical areas of interest are kidney and pancreas transplantation, dialysis access and, both open and minimally invasive, liver, bile duct and pancreas surgery for benign and malignant disease.


Selected Recent Publications

  • Indoleamine 2,3-dioxygenase inhibition alters the non-coding RNA transcriptome following renal ischemia-reperfusion injury, 2014
    Journal Article, Academic Journal
  • Protein kinase C and Src family kinases mediate angiotensin II-induced protein kinase D activation and acute aldosterone production, 2014
    Journal Article, Academic Journal
  • Transcriptome profiling reveals differentially expressed transcripts between the human adrenal zona fasciculata and zona reticularis, 2014
    Journal Article, Academic Journal
  • Radical nephrectomy and inferior vena caval thrombectomy: Outcomes in a lower volume practice, 2011
    Journal Article, Academic Journal
  • Complications impair the usefulness and validity of the rat tail arteriovenous fistula model, 2009
    Journal Article, Academic Journal

Research Interests

Dr. Merchen's research interests include novel immunosuppression regimens for transplant patients, animal models of transplantation, and tolerance.