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UR Medicine

Physician Directory

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Koji Tomiyama, M.D., Ph.D.

UR Medicine Welcomes Outstanding New Surgeons to Abdominal Transplant Team

Dr. Hernandez-Alejandro, Professor of Surgery and Chief of the Division of Transplantation is an established multi-organ transplant surgeon, pioneer in Liver Transplantation from Donors After Cardio circulatory Death (DCD) with additional surgical training in Live Donor Liver Transplantation. Dr Hernandez is an international leader in the field of transplantation and liver resections for metastases with outstanding results with the innovative surgical technique of the ALPPS procedure. He is currently the Chair of the Publication Committee at the AHPBA, member of the Scientific Committee of the ALPPS Registry and member of the Scholarship Committee of ILTS. Dr Hernandez is an active researcher with a record of peer reviewed publications and has lectured worldwide on current issues in the field.

Dr Koji Tomiyama is a fully trained Hepatobiliary and Transplant Surgeon with strong expertise in the field of Live Donor Liver Transplantation. He has extensive training at Baylor University and Kyoto University. Dr. Tomiyama did an extra training fellowship in complex hepatobiliary surgery at University of Toronto. His areas of expertise include complex HPB cases such as in situ/ex vivo liver cold preservation, 3D simulation of liver surgery, DCD and live donor liver transplantation.


Sunil M. Prasad, M.D., has been appointed chief of Cardiac Surgery at UR Medicine’s Strong Memorial Hospital. Prasad performs a range of complex surgical procedures, including heart transplants, and has special expertise in the use of mechanical devices — LVADs and ECMO — for the treatment of heart or respiratory failure.

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complex care Staff



UR Medicine has opened Rochester’s first primary care practice dedicated to caring for adults with chronic childhood-onset conditions such as cystic fibrosis, sickle cell anemia, childhood cancers, autism, and intellectual and developmental disabilities.

One of the first centers of its kind in the nation, the practice brings together internal medicine-pediatrics specialty care, dental care provided by Eastman Institute of Oral health, nutrition services, physical therapy and other essential health services. The Center will be a resource for providers across the region who care for patients with complex conditions; it will offer telephone consults and training, as well as new protocols for this patient population.