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SR Rozbruch, MD

S. Robert Rozbruch, MD

After graduating Magna Cum Laude from the University of Pennsylvania, Dr. Rozbruch attended Weill Medical College of Cornell University from which he graduated with honors in research. Residency training in Orthopaedic Surgery was followed by two fellowships. He did specialized training in Trauma as an AO fellow at the University of Bern in Switzerland. Additional training in adult and pediatric limb lengthening followed at the Maryland Center for Limb Lengthening & Reconstruction.

Dr. Rozbruch is the Chief of the Limb Lengthening and Complex Reconstruction Service at the Hospital for Special Surgery and is Professor of Clinical Orthopaedic Surgery at Weill Medical College of Cornell University. He is a member of several national medical societies including fellowship in the American Academy of Orthopaedic Surgeons, Orthopaedic Trauma Association, and The Limb Lengthening & Reconstruction Society (LLRS) of which he was President 2012-2013. He has lectured on his clinical and research works at both national and international meetings and has authored numerous articles in medical journals and chapters in Orthopaedic textbooks. He is the editor of Limb Lengthening & Reconstruction Surgery, a respected textbook in the field.

Curriculum Vitae (résumé)


Austin T. Fragomen, M.D.

Dr. Austin Fragomen attended medical school at the State University of New York Downstate College of Medicine. He excelled through a very hands-on surgical internship at Montefiore and Jacobi medical centers in the Bronx. He launched into his orthopaedic residency training program, under John R. Denton, MD, at the Saint Vincent Catholic Medical Center. As chief resident he took a strong interest in fracture care, limb reconstruction, and joint preservation surgery. He then relocated to San Francisco, California to dedicate himself to learning advanced techniques in surgery the of shoulder and knee with pioneer and innovator Eugene M. Wolf, MD. He returned to New York's Hospital for Special Surgery to become their first fellow in Limb Lengthening & Reconstruction Surgery. As an Assistant Attending, he is the newest member of the Hospital's Limb Lengthening & Deformity Service. He has presented his clinical and biomechanical research at medical meetings and has authored and edited articles for various Orthopaedic journals and textbooks. He has lectured extensively on related topics to residency training programs and in the community setting.

Skilled in the art of less invasive surgery, Dr. Fragomen will perform a sophisticated and comprehensive analysis of each patient to determine an optimal treatment plan. Whether performing an all-arthroscopic rotator cuff repair or mounting a percutaneous external fixation frame the goal is always to minimize the trauma of surgery and maximize a rapid and functional recovery.

Curriculum Vitae

Dustin Quig, PA-C
Dustin Quig, PA-C is physician assistant to Dr. S. Robert Rozbruch on the Limb Lengthening Service. He attended Penn State University where he graduated with Honors earning a degree in Kinesiology. Following graduation, Dustin attended the Cornell University Physician Assistant program. While at Cornell, Dustin had a strong desire to pursue Orthopedics completing an elective rotation at the Hospital for Special Surgery and writing his senior thesis on hip replacement surgery. After graduation Dustin joined the HSS Limb Lengthening team. In his spare time Dustin enjoys playing guitar, participating in both baseball and football, and exploring New York City.


Lisa Halfen, PA-C


Lisa Halfen, PA-C, ATC is a physician assistant on the Limb Lengthening Service. She attended Mercy College where she earned a Masterís degree in physician assistant studies. Prior to attending PA school, Lisa worked as an athletic trainer at Fairleigh Dickinson University and Jericho High School. She earned a Masterís degree in athletic training at Indiana University, and received her Bachelor of Science degree in Athletic Training at The University of Michigan. With her background in athletic training, orthopedics was the area of medicine that interested Lisa most when she was in PA school. After graduating from PA school, Lisa began working at HSS, and is proud to be a part of the limb lengthening team.

Erica Lenihan

Erica Lenihan, RN is the Nurse Clinician for the Limb Lengthening and Complex Reconstruction Service (LLCRS) working with Dr’s Rozbruch and Fragomen.  She began working at the Hospital for Special Surgery (HSS) upon graduating from Dominican College with her Bachelor of Science Degree in Nursing.  She transitioned to the LLCRS after working on the Adult and Pediatric in patient floor at HSS for six years.  Her interest and dedication to Limb Lengthening patients gives her the desire to improve and enhance their experiences whenever possible.


Vera Daka


Vera is the LLCRS clinical nurse. She came from a background in critical care at Phelps Memorial Hospital in Westchester County. She holds a strong interest in orthopedics and providing care to a variety of patients. Vera is currently working on her Bachelor of Science degree in Nursing at Pace University, in lower Manhattan. She enjoys the beach, movies, walking, swimming and biking during her free time.






Omaira Dean
Executive Assistant and
Office Manager for Dr Rozbruch


Omaira Dean is Dr. Rozbruch's Executive Assistant and Office Manager at the Limb Lengthening and Complex Reconstruction Service.  Ms. Dean attended NYCT in Brooklyn NY.  She began working at HSS in 1998 and joined Dr. Rozbruch at the Limb Lengthening and Complex Reconstruction Service (LLCRS) in 2001.  She is an essential member of our team.






Kathiria Rodriguez
Office Manager for Dr. Fragomen


Kathiria Rodriguez (Kathy) is the Office Manager for Dr. Fragomen at the Limb Lengthening and Complex Reconstruction Service.  She attended St. John’s University with a business major.  She joined Dr. Fragomen in the Limb Lengthening and Complex Reconstruction Service (LLCRS) in 2007.  She plays a significant role in Dr. Fragomen’s practice.






Rosa Mora
Medical Secretary for Dr. Rozbruch


Rosa Mora is the medical secretary for Dr. Rozbruch’s team at the Limb Lengthening and Complex Reconstruction Service.  Rosa attended John Jay College of Criminal Justice with liberal arts major.  She then transferred to Hostos Community College to continue her education in liberal arts.  She joined LLCRS in July of 2008 and has remained devoted to providing excellent service ever since.






Brania Aquino
Medical Secretary for Dr. Fragomen

Brania is Dr. Fragomenís Medical Secretary. With a Bachelorís degree in Business from Mercy College, Brania has worked as an administrative assistant for an Ophthalmologist in Yonkers for six years. In the Winter of 2013 she joined the Limb Lengthening & Complex Reconstructive Service at Hospital for Special Surgery, and is proud to be a part of the team!






Eugene Borst

Eugene W. Borst
Research Coordinator

Gene began his time at the Limb Lengthening and Complex Reconstruction Service in the summer of 2008 as an HSS volunteer working closely with Dr. Fragomen on several clinical research projects. In addition, he spent a summer working in the hospital’s Biomechanics Department assisting in a motion capture study involving the Taylor-Spatial/Ilizarov Frame. Through his hard work and dedication he earned the hospital’s Mary Ryan Student Award which is given to only two student volunteers each year. Gene graduated with honors in history from CUNY Hunter College in the spring of 2010 and is currently enrolled at Hunter part time as a biology major in preparation for medical school. He became the department Research Coordinator in the summer of 2011 and has been involved in numerous exciting studies since then. His outside interests include Paleontology, hiking, and paddle tennis. Gene hopes to continue to follow his passion for medicine and to attend medical school in the near future..

Orthopaedist Bernstein

Mitchell Bernstein, MD, FRCSC
Limb Lengthening Fellow 2013-14

Dr. Bernstein is currently one of the 2013-2014 fellows in Limb Lengthening and Complex Extremity Reconstruction. He completed his medical school in Chicago, IL and orthopaedic residency training in Montreal, Canada at McGill University. He recently completed an orthopaedic traumatology fellowship at Harborview Medical Center, University of Washington, in Seattle. Dr. Bernstein wishes to continue in academic medicine, focusing on acute trauma and complex posttraumatic reconstruction. His research interests include bone biology and biomechanics of fracture healing.


Amgad Haleem. MD, PhD
Limb Lengthening Fellow 2013-14

Dr. Haleem completed his Orthopaedic Surgery Residency and Master’s Degree at the Cairo University School of Medicine, Cairo, Egypt, from which he had obtained his medical degree with honors and ranked among the top 10 medical students of his class. He was then assigned –and still currently serves- as Associate Lecturer of Orthopaedic Surgery at Cairo University. In 2008, Dr. Haleem was awarded a grant for excellence in scientific achievement to complete his PhD in stem cell-based cartilage regeneration at the University of Pittsburgh, Pennsylvania, through the USA/Egyptian Joint Channel System. During this period, he published a vast amount of basic science and clinical studies on articular cartilage repair and regeneration. After his PhD, Dr. Haleem had a strong passion to embark on further US orthopaedic clinical training, completing a foot and ankle fellowship at HSS as well as a total joint replacement fellowship. In his pursuit of becoming a clinician-scientist in lower extremity surgery and cartilage restoration, his current research is focused on ankle distraction and other cartilage salvage procedures. Dr. Haleem was also a professional basketball player in Egypt and currently enjoys biking as well as playing squash.


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