Our Colorectal Surgeons
An experienced team of colorectal surgeons skilled in the latest technology.
Our experienced team of colorectal surgeons and medical staff will work with you and your primary care physician to determine the right treatment for you—keeping you informed every step of the way—and provide ongoing support before, during and after your treatment. The Division of Colorectal Surgery collaborates with specialists in other disciplines at Rochester General Hospital, including gastrointestinal and surgical oncology, to provide you with the expertise you deserve and the dedicated interest of each physician, surgeon and medical staff member involved in your treatment and recovery—from preoperative to postoperative care and beyond. Learn more about the full colorectal team below.
Stephen M. Rauh, MD
Chief, Division of Colorectal Surgery
Dr. Rauh grew up in Cincinnati, Ohio where he attended college and medical school. In 1982 he began his career in Rochester, where his wife and then small children could be near her family. He completed his surgical residency at the University of Rochester, and trained in Colon & Rectal Surgery at the Lahey Clinic Medical Center in Boston. Dr. Rauh joined Rochester Colon & Rectal Surgeons, P.C. (RCRS) in 1988. The Rauhs live in Webster.
Dr. Rauh was the first in upstate New York to adopt many technologies such as laparoscopic colon surgery (1993) and robotic colorectal surgery (2008). Both such groundbreaking technologies in colon and rectal sugery took place at Rochester General Hospital. He leads the largest team of fully board certified colon specialists in Rochester. His practice, RCRS, has provided more varied and numerous robotic colon surgeries than any group in the state of New York and probably the country.
His interests include Transanal Surgery, Crohn's and ulcerative colitis care, streamlining perioperative care for shorter hospital stays, restoring bowel control (fecal incontinence) diverticulitis treatments (including nonsurgical) and treating colorectal cancer without colostomies.
Bastian Domajnko, MD
Dr. Domajnko is highly regarded throughout the Greater Rochester area for his extensive surgical expertise in management of diseases of the colon and rectum. He practices with a team of surgeons who are national leaders in robotic colon and rectal surgery. He is skilled in numerous surgical procedures, particularly in minimally invasive surgery. Areas of expertise include surgical management of Crohn’s disease, ulcerative colitis, diverticulitis, and cancers of the colon and rectum.
Dr. Domajnko received his B.S. in Biochemistry from Tufts University in 1998, graduating with cum laude honors. In 2002 he graduated from Tufts University School of Medicine in Boston, MA. From 2002 to 2007 he completed a surgical residency at the University of Rochester/Strong Memorial Hospital located in Rochester, NY. Following surgical residency, Dr. Domajnko went on to specialize in colorectal surgery by completing a fellowship at Cook County Hospital/University of Illinois at Chicago in 2008.
He is board-certified in Colon and Rectal Surgery and General Surgery, and maintains an assistant faculty position at the University of Rochester School of Medicine and Dentistry.
Research projects include laparoscopic and robotic colon and rectal surgery. Community activities include involvement in public education programs such as a J-Pouch support group for ulcerative colitis patients and diverticulitis seminars.
Dr. Domajnko is a member of the American Society of Colon and Rectal Surgeons, the American College of Surgeons, the American Medical Association, and the Society of American Gastrointestinal and Endoscopic Surgeons.
Asim Farid, MD
Dr. Asim Farid is a native of Pakistan, where he went to medical school. After graduation in 1984 he went to England for surgical training, and obtained a Fellowship in General Surgery from the Royal College of Surgeons in Edinburgh, Scotland.
He then moved to the USA in 1991, where he underwent Residency training at the Guthrie Clinic in Sayre, PA. After completing this training in 1996, he moved to Kentucky where he was a General Surgeon and Chief of Surgery at Owen County Memorial Hospital. In 2000 he joined Henry Ford Hospital, Detroit Michigan, for a 1 year Fellowship in Colon and Rectal Surgery. In September 2001 he moved to Rochester where he is now settled.
He is skilled at performing numerous surgical procedures in colon and rectal surgery. He has a particular interest in laparoscopic procedures, surgery for cancer of the colon and rectum and robotic surgery. He was one of the first surgeons in the area who performed the Stapled hemorrhoidopexy procedure, a specialized procedure for certain types of symptomatic hemorrhoids.
Dr. Farid certified by the American Board of Surgery and the American Board of Colon and Rectal Surgery. He is a Fellow of the American College of Surgeons and American Society of Colon and Rectal Surgeons.
Claudia Hriesik, MD, PhD
Dr. Claudia Hriesik is highly regarded throughout Greater Rochester and Upstate NY for her expertise in colorectal surgical care and participation in bringing state-of-the-art surgical techniques to benefit patients with benign and malignant colorectal disease.
Dr. Hriesik is skilled at performing numerous surgical procedures, including advanced minimally invasive techniques. Dr. Hriesik is not only board certified in colorectal surgery but also trained in surgical oncology. With this unique background Dr. Hriesik is the only double boarded surgeon in Upstate NY who not only offers a background in colorectal surgical care but also oncological surgery expertise.
With her colleagues at Rochester Colon and Rectal Surgeons Dr. Hriesik was among the first surgeons to bring robotic surgery to Rochester and Upstate NY and was the first certified surgeon at RGH to offer sacral nerve stimulation therapy (InterStim) for fecal incontinence. She participates in ongoing research and authored several papers related to gastrointestinal immunology and colorectal topics. As a lecturer and guest speaker, Dr. Hriesik also devotes her time to educating the community.
Dr. Hriesik received her MD., Ph.D. from Hannover Medical School, one of the most prestigious medical universities in Germany in 1996. She mastered her doctoral thesis with “magna cum laude”, the highest academic honor for doctoral research. She also volunteered for the German Red Cross and served as an assistant teacher in the department of Anatomy and Microbiology. While in Medical School Dr. Hriesik was awarded scholarships for studies in Great Britain and the US.
Following graduation from Medical School and a scholarship awarded by the American Cure for Lymphoma foundation Dr. Hriesik completed further research at the University of Pennsylvania in Philadelphia.
Dr. Hriesik completed her surgical residency at Drexel University College of Medicine in Philadelphia. She went on to train in surgical oncology at the University of Pittsburgh, Pennsylvania, and in colorectal surgery at the Cleveland Clinic in Ohio.
Dr. Hriesik is certified by the American Board of Surgery and the American Board of Colon and Rectal Surgery.
Steven J. Ognibene, MD
Dr. Ognibene graduated Summa Cum Laude from the State University of New York (SUNY) at Buffalo in 1995. In 1999 he graduated from medical school at the SUNY Health Science Center at Syracuse.
He completed his general surgical residency at the University of Rochester / Strong Memorial Hospital in 2004. Following surgical residency Dr. Ognibene completed a fellowship in the specialty of colorectal surgery at Cedars-Sinai Medical Center in Beverly Hills, CA in 2005.
Dr. Steven Ognibene exhibits extensive surgical expertise in the management of diseases of the colon and rectum. He practices with a team of surgeons who are national leaders in robotic colon and rectal surgery. He performs numerous surgical procedures on the small and large intestine (colon), rectum and anus.
Areas of specific interest include surgical management of Crohn’s disease, ulcerative colitis, diverticulitis, colorectal cancer and anorectal disorders.
Dr. Ognibene is certified by the American Board of Surgery (2006) and the American Board of Colon-Rectal Surgeons (2007). He is a Clinical Assistant Professor in the University of Rochester School of Medicine and Dentistry.
Community activity includes involvement in public education programs such as a J-Pouch support group for ulcerative colitis patients.
Mary Lou O'Neil, MD
Dr. O'Neill graduated cum laude from Williams College and then completed medical school and a surgical residency at the University of Rochester. She then completed her colon and rectal surgery fellowship at the University of Toronto in 1997, after which she joined Rochester Colon & Rectal Surgeons. Dr. O'Neill grew up in Albany, NY, and now resides in Hilton, NY
Brian Teng, MD
Dr. Teng completed his fellowship in Colon & Rectal Surgery at Cedars-Sinai Medical Center in Los Angeles after a notable and highly regarded chief residency in General Surgery at the University of Buffalo. He graduated with honors in biomedical and mechanical engineering from Johns Hopkins University. Dr. Teng received his medical degree in his home state at the University of Minnesota.
Dr Teng furthered his interest in colon cancer as the 2007-2008 research resident, Bullard Dunn Lab, Department of Surgical Oncology, Roswell Park Cancer Institute, Buffalo, NY, where he studied new targets for future chemotherapy. He presented this work at the American Society of Colon & Rectal Surgery meeting in 2009.
Dr Teng received awards for both clinical and research work. Two of the accolades include the Gold Star Award for the Best Resident and the Young Surgeon Research Award at the Western New York Chapter of the American College of Surgeons.
Dr Teng is board eligible in Colon Rectal Surgery and is board certified in General Surgery. He is a member of the American Society of Colon & Rectal Surgeons and American College of Surgeons.
His interests include Robotic surgery, laparoscopic surgery, inflammatory bowel disease and cancer, especially prevention of colon, rectal and anal cancer.
His outside interests include volunteer work, mentoring, photography, and new technologies.
Alexander Kurchin, MD
Rochester Surgical Associates
phone: (585) 342-0140
Additional Colorectal Surgery Providers & Support Staff
Marie A. Bianchi, ACNP
Nurse Practitioner, WOCN
Ms. Bianchi is a native of Rochester and earned her graduate nursing degree at the University of Pennsylvania and post-master’s certificate from the University of Rochester. She is certified in Gastroenterology Nursing and practiced at Strong Memorial Hospital for several years before joining the surgeons at Rochester General and RCRS.
Ms. Bianchi is a member of the Wound, Ostomy and Continence Nurses Society™ (WOCN®).
Barbara A. Macey, NP-C, RNFA
Nurse Practitioner, Coordinator for the J-Pouch Support Group
Ms. Macey is a native of Rochester, and she earned her nursing undergraduate, graduate and post-master’s certificate from the University of Rochester. She is a certified Registered Nurse First Assistant and regularly assists Rochester General’s colorectal surgeons in the operating room. Ms. Macey has been affiliated with Rochester General Hospital for more than 35 years and received Rochester General Hospital’s highest professional nursing honor, the M. Jeanne Van Niel Clarke Award. She also became the first nurse practitioner internationally to become certified as a bedside assistant in robotic surgery. She and three other advanced practice nurses were the first internationally to publish a paper on the postoperative care of the robotic colorectal surgery patient.
Amy Harr, RD
Ms. Harr provides patients in the Colorectal Surgery Division of Rochester General Hospital with nutrition counseling services to assist with dietary changes following colorectal surgery and other non-surgical procedures.