Our Staff

Mount Sinai Beth Israel
Division of Cardiac Surgery
317 E. 17th Street, 11th Floor
New York, NY 10003
(212) 420-2584

Surgeons

Kamellia Dimitrova, MD

Kamellia R. Dimitrova, MD, an attending cardiac surgeon at Mount Sinai Beth Israel, earned her medical degree from the University of Sofia, in Sofia, Bulgaria in 1998. She then completed general surgery residencies at the University of Mississippi and Georgetown University Medical Center, and a fellowship in cardiothoracic surgery at New York University Medical Center, with a specialization in minimally invasive surgery. She is also a Clinical Instructor at the Albert Einstein College of Medicine.

Prior to joining Beth Israel, Dr. Dimitrova was an attending cardiothoracic surgeon at St. Vincent’s Hospital in New York City. Dr. Dimitrova has particular clinical experience in minimally invasive approach for mitral valve repair, minimally invasive surgical treatment of double and triple valvular disease, and minimally invasive aortic valve replacement. She also performs coronary artery bypass surgery. Her clinical research interest encompasses also multi-arterial grafting in women with coronary artery disease.

Dr. Dimitrova is fluent in English, Bulgarian and Russian.

Charles M. Geller, MD

Charles M. Geller, M.D. graduated summa cum laude from the Boston University 6-year medical program, jointly receiving BA and M.D. degrees in 1987. He completed a general surgery residency at Westchester Medical Center in 1992 and a cardiothoracic surgery fellowship at Montefiore Medical Center/Albert Einstein College of Medicine in 1994.

Dr. Geller served as an attending cardiac surgeon at Lenox Hill Hospital until joining the staff of Mount Sinai Beth Israel in 1999. He holds an appointment as an Assistant Professor of Cardiothoracic Surgery at Albert Einstein College of Medicine.

He has extensive experience with multiple arterial coronary bypass grafting, “off-pump” techniques, and heart valve surgery. He has particular expertise in surgery of the aorta including aortic valve and root replacements, the Ross Procedure, and replacements of the ascending aorta and arch. Dr. Geller also has a special interest in surgical critical care and is the Director of the Cardiac Surgery Intensive Care Unit at Mount Sinai Beth Israel.

Darryl M. Hoffman, MD

After completing Medical School at the University of the Witwatersrand, Johannesburg South Africa, Dr. Hoffman trained in Cardiothoracic Surgery at Wentworth Hospital, Durban, South Africa and the Royal Infirmary, Edinburgh, Scotland. He was admitted, after passing the surgical examinations, as a Fellow of the Royal College of Physicians and Surgeons (Glasgow) and the South African College of Surgeons. After completing formal Cardiothoracic training, he was registered as a Specialist Cardiothoracic Surgeon in both South Africa and Britain.

Dr. Hoffman spent the following two years in a research appointment at the Albert Einstein College of Medicine, Bronx, NY, teaching and performing clinical research and laboratory research focused on surgical therapy for heart failure and valvular heart disease. He spent two further years as a "superfellow" at Allegheny General Hospital in Adult Cardiac Surgery and Transplantation, and at the Mayo Clinic in Rochester, Minn., in Congenital Heart Surgery and Thoracic Transplantation.

Since 1994 he has been an attending cardiothoracic surgeon at Mount Sinai Beth Israel, and an Associate Professor of Cardiothoracic Surgery at Albert Einstein College of Medicine.

Dr. Hoffman introduced use of the radial artery conduit for coronary artery bypass at Beth Israel and performs on-pump coronary bypass and beating heart surgery. His particular clinical interests include valvular heart disease and the surgical management of arrhythmia and heart failure. Dr. Hoffman has vast experience in the field of pacemaker and implantable defibrillator placement and introduced Cardiac Resynchronization Therapy at Beth Israel. He started Beth Israel's program for surgical treatment of atrial fibrillation using minimally invasive beating heart radiofrequency ablation in 2004, performing the first such operation in New York City.

Wilson Ko, MD

Dr. Wilson Ko, an attending cardiac surgeon and surgical director of the newly formed Asian Cardiovascular Center at Mount Sinai Beth Israel, earned his medical degree from the Chicago Medical School, where he was valedictorian. He then completed his residency in general surgery, as well as research and surgical fellowships in cardiothoracic surgery at New York Hospital-Cornell Medical Center. Dr. Ko is also a Professor of Surgery at New York Medical College.

Prior to joining Beth Israel, Dr. Ko was professor and Chief of Cardiothoracic Surgery at the State University of New York - Downstate University Medical Center in Brooklyn from 2006 to 2009. In 2009 he became the Chairman of the Department of Cardiothoracic Surgery at St. Vincent’s Medical Center in Manhattan.

Dr. Ko has been consistently listed in the Castle Connolly Guide to New York Metro Area Top Doctors and New York Magazine’s Best Doctors list. Dr. Ko has been the President and served on the board of directors of the Chinese American Medical Society, is President of the China AIDS Fund and has contributed to numerous efforts to promote greater health in the Chinese American community in New York, and in China. For his dedication to community and charitable work, he was awarded the prestigious Ellis Island Medal of Honor in 2008.

Dr. Ko specializes in on- and off-pump coronary artery bypass surgery, thoracic aortic aneurysm repair, valve repair and replacement, atrial fibrillation surgery, minimally invasive techniques and thoracoscopy for lung cancer.

Robert F. Tranbaugh, MD

Robert F. Tranbaugh, MD, Chief of Cardiac Surgery, Mount Sinai Beth Israel is an expert in myocardial revascularization. He uses arterial grafting in essentially all patients undergoing coronary bypass surgery, and, in addition, uses multiple arterial grafting in younger patients. He is also a skilled valvular surgeon with a vast experience in repair techniques and valve replacements if needed.

A superb surgeon, Dr. Tranbaugh has consistently achieved outstanding results as measured by the New York State Department of Health Cardiac Surgery Reporting System. His risk-adjusted mortality rates have consistently been among the lowest of all surgeons in the metropolitan New York area, and he has been regularly named to the New York Magazine Best Doctors, America's Top Doctors and Super Doctors lists. He was recently named by US News and World Report as one of the Top 1% of all cardiac surgeons in the United States.

A graduate of the University of Pennsylvania School of Medicine, Dr. Tranbaugh completed his general and cardiothoracic surgical training at the University of California, San Francisco. He joined the State University of New York Health Science Center at Brooklyn surgical faculty as head of the Pediatric Cardiac Surgery Section in 1986. Dr. Tranbaugh then joined Mount Sinai Beth Israel as Chief of Cardiac Surgery in January of 1991.

The Beth Israel Cardiac Surgery Program has grown dramatically under Dr. Tranbaugh's leadership and vision. Key to the clinical success of this program has been the building of an outstanding committed team of highly skilled and compassionate surgeons, anesthesiologists, intensivists, cardiologists, nurse practitioners, physician's assistants, and nurses, along with numerous supporting ancillary personnel.


Cardiothoracic Nurse Practitioners

Sue Ann Scheer, RN, ANP

Sue Ann graduated from Hunter College in 1987 with a Bachelor of Science in Nursing. She began her career as a nurse at New York University Medical Center in General Surgery, Cardiac Surgery, and later on the Kidney and Liver Transplant unit. Sue Ann went on to get her Masters in Nursing and Adult/Acute Nurse Practitioner degree from NYU in 1994. She has been with Mount Sinai Beth Israel since 1994, and is the senior NP on the Cardio- Thoracic team.

Carmina C. Symonowicz, RN, ANP-C

Carmina graduated from Hunter College (CUNY) with a Bachelor of Science in Nursing in 1991. She started her nursing career at New York University Medical Center, working with Cardio-Thoracic/General Surgical/Liver & Renal Transplant patients from 1991-1996; she continued as a Nurse Care Manager in the Department of Medicine from 1996-1998. She pursued her graduate studies at New York University and received her Masters in Nursing with a specialty in Adult/Acute Care in 1997. Carmina has been a nurse practitioner and a proud member of the Beth Israel Cardio- Thoracic Surgery Department since 1998.

Kristyn Elish, RN, ANP

Kristyn began her nursing career as a registered nurse in cardiac telemetry at Brooklyn Hospital, after receiving her Bachelor of Science in Nursing in 1996 from the University of Pennsylvania. In 1998, she made a move to Manhattan, and she joined the Mount Sinai Health System - St. Luke's Division as a staff nurse in Cardiac Surgery Open Heart/Coronary Care Unit. Kristyn received her Masters in Nursing with a specialty in Adult Care from Columbia University in 2001. She then joined the Beth Israel Cardio-Thoracic Surgery Department as a nurse practitioner and is an integral member of their team.

Beth Israel cardiac surgeons have been included in New York Magazine "Best Doctors", Castle Connolly "America's Top Doctors", and "New York Super Doctors" lists, starting 12 years ago.

Appointments

212.420.2584
Mount Sinai Beth Israel
Division of Cardiac Surgery
317 E. 17th St., 11th Fl.
New York, NY 10003

Our Surgeons

Kamellia Dimitrova, MD

Charles M. Geller, MD

Darryl M. Hoffman, MD

Wilson Ko, MD


Robert F. Tranbaugh, MD
Chief