Lyall Gorenstein, MD, FRCS

Richard Whelan, MD
Associate Professor of Surgery
Director, Section of Colon & Rectal Surgery
New York Presbyterian Hospital

212-305-6136
212-305-0577
rlw3@columbia.edu

Accepted Insurance: 1199, Blue Cross Health Net, Blue Cross Prestige, Blue Choice PPO, Cigna/Chubb, National Preferred Provider Network, Oxford Commercial/Freedom, Oxford POS, Physicians Health Service (PHS), Prudential Healthcare





Jeffrey W. Milsom, MD, FACS
Chief of Colon and Rectal Surgery
Weill Medical College of Cornell University

Dr. Milsom is nationally and internationally known for his clinical expertise in patients with colorectal cancer, Crohn's disease and other inflammatory bowel diseases.

Before coming to Weill Cornell, Dr. Milsom was professor of surgery at Mount Sinai Medical Center in New York, where he was chief of the division of colorectal surgery and co-director of the minimally invasive surgery center since 1998. Previously, he was director of research for the department of colorectal surgery (1990-1998) at the Cleveland Clinic Foundation and was also director of research for the Cleveland Clinic’s minimally invasive surgery center.

Dr. Milsom has over 100 peer-reviewed publications; 46 reviews, invited papers, editorials, and letters; three books; and 20 book chapters. In addition, he has participated in the production of a number of videos presented at the American College of Surgeons’ Clinical Congress and meetings of the American Society of Colon and Rectal Surgeons. Dr. Milsom received his M.D. from the University of Pittsburgh in 1979 and did postgraduate and fellowship training at Roosevelt Hospital in New York, the University of Virginia Medical Center, and the Ferguson Clinic in Grand Rapids, Michigan. He received his first academic appointment in 1986 at Michigan State University, where he was assistant professor of surgery.

Toyooki Sonoda, MD
Assistant Professor of Colon and Rectal Surgery

Dr. Sonoda received his M.D. fromYale University School of Medicine in 1993. He did his first two years of residency in general surgery at UCSF and completed his residency at the Cleveland Clinic Foundation in 1998. He then went to Mount Sinai Medical Center, where he completed a laparoscopic fellowship, after which he returned to the Cleveland Clinic, where he performed an administrative chief residency. He has considerable experience teaching and working with general surgery residents. He has taught minimally invasive surgery courses, including courses on laparoscopic ilea pouch procedures and intestinal surgery. His clinical research on endo rectal advancement flap procedures in the treatment of benign anal-rectal conditions was presented at a meeting of the American Society of Colon and Rectal Surgeons in June.



GENERAL SURGERY

Thomas J. Fahey III, MD
Associate Professor of Surgery
Frank Glenn Faculty Scholar
Director, Surgical Residency Training Program
New York Presbyterian-Weill Cornell Medical Center

212-746-5130
tjfahey@med.cornell.edu

Clinical Specialties: Laparoscopic Surgery of the Adrenal Glands, Spleen, Biliary Tract and Pancreas. Minimally Invasive Endocrine Surgery

Dr. Fahey is an expert in the management of adrenal tumors, including aldosteronoma (Conn's Syndrome), cortisol secreting tumors (Cushing's Syndrome), pheochromocytoma and non-functioning adrenal tumors, and the application of laparoscopic techniques for the removal of these tumors. Additionally, he is an expert in laparoscopic surgery of the spleen, biliary tract and pancreas.

Accepted insurance: 32BJ, 131623978, AUSHC-HMO, 799753, AUSHC-PPO, 4620515, Anthem, 011720520NY01, CIGNA, 9923695-002, EBCBS HMO, 435991, EBCBS HMO, 60L101, EBCBS PPO/EPO, 435991, EBCBS PPO/EPO, 60L101, EBCBS Senior, 435991, EBCBS Senior, 60L101, First Health, 704358, GHI, 0044126, HIP, 172052, Health Net (PHS), 2C9514, MultiPlan, 131623978, Oxford Freedom, P442227, PHCS, 131623978, United Empire Plan, 286491, United Health Care, 1339818



ORTHOPEDIC SURGERY

Although state-of-the-art surgical treatment is his forte, Dr. Macaulay has a medical philosophy which is very patient friendly. Surgical intervention is only recommended as a last resort, when all more conservative options have been explored or are clearly inferior choices to surgery.

Dr. Macaulay is a Board Certified orthopaedic surgeon who has received subspecialty training in these chosen areas of expertise which is second to none in the U.S. today. A College of Physicians & Surgeons of Columbia University graduate in 1992, he completed orthopaedic residency training at The University of Pittsburgh and his fellowship training in Hip and Knee Replacement Surgery at The Hospital For Special Surgery. Prior to his fellowship, Dr. Macaulay served as an orthopaedic surgery trauma attending at The University of Pittsburgh (Level I Trauma Center) from 1997 to 1998. He is also Adjunct Professor of Biochemistry at The Rockefeller University in New York City. The author of more than 15 scientific articles and textbook chapters, Dr. Macaulay has been a member of the Orthopaedic Research Society since 1997.

GYNECOLOGY

Thomas Caputo, MD
Director, Division of Gynecologic Oncology
Vice-Chairman of Obstetrics & Gynecology
Weill Medical College of Cornell University

212-746-3179
tac2001@med.cornell.edu

Background and Training
Since 1995, Mark Souweidane, M.D. has directed the Pediatric and Endoscopic Neurosurgical programs at The Weill-Cornell Medical Campus of the New York-Presbyterian Hospital and Memorial Sloan-Kettering Cancer Center. Dr. Souweidane completed his neurosurgical residency at New York University and completed a post graduate fellowship in pediatric neurosurgery at the Hospital for Sick Children in Toronto, Canada.

He is an active member of The American Society of Pediatric Neurosurgeons, Pediatric Oncology Group, Childrens' Brain Tumor Foundation Advisory Committee, American Academy of Pediatrics, American Association of Neurological Surgeons, Congress of Neurological Surgeons, and Society of University Neurosurgeons.

Areas of Expertise
Endoscopic third ventriculostomy for hydrocephalus, endoscopic biopsy of brain tumors, endoscopic resection of colloid cysts, and endoscopic fenestration of intracranial cysts.

Areas of Special Interest
Pediatric brain and spinal cord tumors, hydrocephalus, Chiari malformations, syringomyelia, spinal dysraphism, craniosynostosis, pediatric epilepsy, and spasticity.

Research Interests
Primary research is focused on exploring novel therapeutic strategies for pediatric brain tumors, specifically brain stem tumors. A method of local delivery is being investigated with respect to safety, efficacy, and dosimetry. These research efforts are intended to lead to therapeutic clinical trials.

Accepted Insurance: 32BJ, 131623978, AUSHC-HMO, 780008, AUSHC-PPO, 5175108, Anthem, 010018800NY01, CIGNA, 8091707-008, EBCBS HMO, 22E531, EBCBS PPO/EPO, 22E531, EBCBS Senior, 22E531, First Health, 868980, GHI, 0300182, HIP, 188037, Health Net (PHS), 2C6495
Magna Care, 131623978, MultiPlan, 131623978, Oxford Freedom, NS4373, PHCS, 131623978, United Empire Plan, 131623978, United Health Care, 1429367



PEDIATRIC

Terry Buchmiller Crair
Assistant Attending
New York Presbyterian Hospital-Weill Cornell Medical Center
Assistant Professor of Surgery Weill Medical College of Cornell University
212-746-5648
tbc2001@med.cornell.edu

Dr. Terry Buchmiller Crair is currently an Assistant Professor of Surgery at the Cornell University Medical Center. She graduated from Pacific Union College in 1980 as her class valedictorian with a degree in music. She attended the University of California at Davis where she obtained her M.D. degree in l984, again as her class valedictorian.

She trained in general surgery at the UCLA Medical Center where she received distinction as the outstanding surgical resident and served as the administrative chief surgical resident. During her residency, she spent two years in the pediatric surgical research laboratory at UCLA studying fetal gastrointestinal development and fetal nutrition. She presented her work at over 20 national meetings and received a research award from the American Academy of Pediatrics.

She completed her Pediatric Surgical fellowship at the Boston Children's Hospital in l997, where she was the first woman graduate. She received the Sidney Farber award as the Outstanding Resident at Children's Hospital that year. She returned to California where she served as an Assistant Professor of Surgery at the UCLA School of Medicine before relocating to New York in the summer of 2000 with her husband. Dr. Crair is board certified in both General Surgery and Pediatric Surgery.

Dr. Crair performs the full spectrum of pediatric surgery, with a particular interest in minimally invasive surgery, management of the short bowel syndrome, and fetal surgical diagnoses and prenatal counseling. She is maintaining her scientific research at the Cornell campus in the surgical laboratory. Her recent publications, including basic scientific and clinical work, reflect her continuing interest in fetal gastrointestinal development. She was recently asked to serve on the Young Surgeons Committee, a national committee of the American College of Surgeons.




Jeffrey Zitsman, MD

(914) 722-6737
jlz2@columbia.edu

Dr. Zitsman graduated from Johns Hopkins University with a degree in natural sciences, and received his M.D. degree from Tufts University Medical School in 1976. He received his training in General Surgery at Tufts-New England Medical Center in Boston, and completed his Pediatric Surgery training at the Babies & Children's Hospital of New York. He is Board-Certified in General Surgery and Pediatric Surgery, and also holds a Certificate of Special Competence in Surgical Critical Care.

Dr. Zitsman has maintained an active clinical practice in pediatric surgery in the New York area since 1985. He has been appointed Assistant Clinical Professor in the department of Surgery at the College of Physicians & Surgeons of Columbia University. His areas of interest include applications of Minimal Access techniques in pediatric surgery, pediatric colorectal disease, intestinal obstruction, and chest wall deformities. He has performed over 500 Minimal Access procedures, including appendectomy, anti-reflux surgery, thoracic procedures, pull-through for Hirschsprung's disease, and evaluation of chronic abdominal pain. His publications include use of laparoscopy to evaluate the opposite "silent" side of the child with a single groin hernia.

William Middlesworth, MD

212-305-3325
wm61@columbia.edu

Dr. Middlesworth was awarded a degree in Chemistry from Dartmouth College in 1983. Following completion of his undergraduate education he spent two years in a molecular biology lab at the Children's Hospital in Boston where he played a key role in the isolation of the gene that causes Duchenne muscular dystrophy. He received his medical degree at the Robert Wood Johnson Medical School, and was trained in General Surgery at the University of Maryland.

During his surgical residency, Dr. Middlesworth spent one year as the visiting research fellow at The Royal Children's Hospital in Melbourne, Australia studying the molecular and embryologic mechanisms of testicular descent. He completed a chief residency in Traumatology at the internationally known R. Adams Cowley Shock Trauma Center before coming to the Babies and Children's Hospital of New York to train in Pediatric Surgery.

Dr. Middlesworth was appointed to the faculty of the College of Physicians and Surgeons, Columbia University in July, 1997, where he continues to pursue his interest in a broad range of pediatric surgical problems including thoracic and pancreatico-biliary diseases.



Steven Stylianos, MD
Associate Professor of Clinical Surgery and Pediatrics, Babies & Children's Hospital of New York

212 305-8861
ss128@columbia.edu

Dr. Stylianos was educated at Rutgers University and the New York University School of Medicine. He completed his General Surgical training at Columbia-Presbyterian Medical Center, and subsequently spent two years as the Trauma Fellow at the Kiwanis Pediatric Trauma Institute in Boston. Dr. Stylianos completed a Pediatric Surgical fellowship at the Boston Children's Hospital in 1992. Dr. Stylianos is Board-Certified in both General Surgery and Pediatric Surgery.
Dr. Stylianos joined the surgical staff of the Babies & Children's Hospital of New York in 1992, and is presently an Associate Professor of Clinical Surgery and Pediatrics at the Columbia University College of Physicians and Surgeons. He developed and is the Director of the Pediatric Trauma Program at the Babies & Children's Hospital, which was recently designated as one of two Regional Pediatric Trauma Centers in the New York metropolitan area. Dr. Stylianos was recently named Chairman of the Trauma Committee for the American Pediatric Surgical Association.

Dr. Stylianos' clinical specialties include neonatal surgery, oncology, and minimally invasive surgery for children; he recently introduced the technique of laparoscopically-assisted splenectomy at the Babies & Children's Hospital. He organized and directed the 50-member team of physicians and nurses who separated conjoined twins at Babies in 1993 and 1995.

Samuel M. Alaish, MD

Dr. Alaish is currently Assistant Professor of Surgery at the College of Physicians and Surgeons of Columbia University. He graduated with honors from Duke University with a degree in biomedical engineering. He later obtained his MD from the University of Maryland School of Medicine. Dr. Alaish completed his General Surgery residency at the Medical College of Virginia. During his residency, he spent two years studying fetal wound healing, for which he garnered both local and national research awards. He completed a Pediatric Surgical fellowship at the Babies and Children's Hospital of New York at Columbia-Presbyterian Medical Center. Dr. Alaish is board-certified in both General Surgery and Pediatric Surgery.

Dr. Alaish performs many varied types of surgery, including surgery for newborn anomalies, esophageal, gastrointestinal and biliary reconstruction and Minimal Access surgery (thoracoscopy and laparoscopy) on babies and children of all ages.

Dr. Alaish's recent clinical publications include review articles on diagnostic laparoscopy, choledochal cyst and lung disorders. His basic science research interests focus on applying mechanisms involved in scarless fetal wound repair to treat fibrotic conditions in the newborn hepatobiliary system, such as biliary atresia.



Eric L. Lazar, MD

Dr. Lazar graduated from the University of Pennsylvania in 1985 and from the College of Physicians & Surgeons of Columbia University in 1989. He received his general surgical training at the New York University Medical Center and the Bellevue Hospital in New York City. During this time he also completed a two-year pediatric surgical research fellowship focusing on the study of Extra Corporeal Membrane Oxygenation, or ECMO, at the Babies and Children's Hospital of New York. Dr. Lazar completed his pediatric surgical fellowship at the Babies and Children's Hospital of New York in 1998. He was recruited to the surgical faculty of the College of Physicians & Surgeons as an Assistant Professor in the Division of Pediatric Surgery that same year. Dr. Lazar is Board-Certified in General Surgery and Pediatric Surgery.

Dr. Lazar has a long-standing interest in research, having received the Dean's Research Fellowship of the Department of Anatomy of the College of Physicians & Surgeons in 1986 and the Scaife Family Foundation fellowship at Harvard University in 1988. His published work centers on the evaluation of infants undergoing ECMO. Dr. Lazar was an Instructor in the Medical Education and Research Program of Columbia University in 1985, and taught at Barnard College in 1988. He was appointed Clinical Instructor in Surgery at the New York University Medical Center (1995-1996) prior to beginning his pediatric surgical fellowship.

Dr. Lazar's special clinical interests include neonatal and general pediatric surgery, particularly oncology (cancer surgery) and Minimal Access surgery. He has additional interest in prenatal diagnoses requiring surgical consultation.

Charles J. H. Stolar, MD

Dr. Stolar is currently Professor of Surgery and Pediatrics at the College of Physicians & Surgeons of Columbia University. He graduated from Washington University in St. Louis and from medical school at Georgetown University. He completed his General Surgery training at the University of Illinois in 1976, and was awarded a fellowship in Pediatric Surgery at the Children's National Medical Center in Washington, D.C. He joined the staff of the Babies & Children's Hospital of New York in 1982. Dr. Stolar is board-certified in both General and Pediatric Surgery.

Dr. Stolar has published extensively in peer-reviewed journals, with a special emphasis on newborn respiratory failure. He has authored multiple book chapters on childhood cancer and congenital diaphragmatic hernia. He maintains an active research laboratory, which focuses on the normal and abnormal formation of vascular networks in the lungs during embryonic development and early infancy.

Dr. Stolar is internationally recognized for his expertise in the management of congenital diaphragmatic hernia. He has had a central role in developing strategies of life support (Extra Corporeal Membrane Oxygenation, or ECMO) for children with overwhelming respiratory failure. His clinical interests, however, span the broad range of pediatric general surgery, with special emphasis on newborns and children with cancer. Dr. Stolar has participated in the national Children's Cancer Group, and has a special expertise in managing children with tumors of germ cell origin and other solid tumors of childhood.



UROLOGY

Joseph J. DelPizzo, MD
Associate Professor of Urology
Director, Laparoscopic Surgery
Department of Urology, New York Presbyterian Hospital
Weill Medical College of Cornell University

212-746-5250
jod2009@med.cornell.edu



PEDIATRIC UROLOGY

Mark Horowitz, MD
Assistant Professor, Pediatric Urology
Director, Pediatric Voiding Dysfunction Center & Urodynamics Laboratory
Weill Medical College of Cornell University
New York Presbyterian Hospital

212-746-5886
mah2012@med.cornell.edu

Dr. Horowitz is nationally and internationally known for his clinical expertise in patients with neurogenic bladders, non-neurogenic voiding dysfunction and obstructive uropathy. His other interests include laparoscopy and reconstructive urology. He is the director of the Spina Bifida clinic at Weill Cornell Medical Center.

Dr. Horowitz is the director of the pediatric voiding dysfunction center and urodynamics laboratory. He performs all his own urodynamic studies. He is the director of pediatric urology at the New York Hospital-Queens Medical Center and co-director of pediatric urology at Staten Island University Hospital. Before coming to Weill Cornel, Dr. Horowitz was assistant professor of Urology at SUNY Downstate Medical Center in Brooklyn, New York from 1994-2000.

Dr. Horowitz received his M.D. degree from New York Medical College in 1986. He did his general surgery and urology residency at SUNY Downstate Medical Center from 1986-1992 and a pediatric urology fellowship at Children’s Hospital and Medical Center, Seattle, Washington from 1992-1994. Dr. Horowitz has authored 10 book chapters and has 40 peer reviewed journal articles.

Accepted Insurance: 1199, 32BJ, Aetna/USHealthcare, Anthem, Blue Choice, Empire, Cigna, The Empire Plan, GHI, Healthnet/PHS, HIP, Magnacare, Oxford, United Healthcare, New York Hospital Community Health Plan



Dix Poppas, MD

Richard Rodgers Family Associate Professor of Pediatric Urology; Chief, Pediatric Urology, Plastic & Reconstructive Surgery; Director, Laboratory for Minimally Invasive Surgery, Department of Urology, at Weill Cornell Medical College and NewYork-Presbyterian Hospital
(212) 746-5337

Dr. Poppas is a pediatric urologist with a special interest in genital reconstruction, laparoscopy, and intersex disorders. He has extensive experience in minimally invasive surgery and pediatric laparoscopy, and he recently performed among the first minimally invasive kidney removals in children and infants in the metropolitan area. He has developed several advanced laparoscopic surgical techniques for tissue reconstruction, using novel tissue sealants to replace sutures and staples during surgery.

A graduate of Virginia Commonwealth University, Eastern Virginia Medical School, and Eastern Virginia Graduate School of Medicine, Dr. Poppas first came to the then New York Hospital-Cornell Medical Center as a resident in urology in 1990. Except for 1994-1996, when he had a fellowship at Harvard, he has been at New York Weill Cornell ever since. He is a Diplomat of The American Board of Urology, Fellow of the American Academy of Pediatrics, and Fellow of the American College of Surgeons. He has been awarded the E. Darracott Vaughan Young Investigator Award by the National Kidney Foundation, and was selected as an American Foundation for Urologic Disease/National Kidney Foundation Research Scholar. He has published over 60 peer-reviewed manuscripts and over 12 book chapters relating to his clinical and basic science research.