Claudia Hriesik, M.D., Ph.D.

Claudia Hriesik, M.D., Ph.D.

Patient Testimonials

Specializing In

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. She also introduced InterStim™ Sacral Nerve Stimulation to RCRS and was the first fully credentialed provider in Rochester to implant this device.

She participates in ongoing research and has authored several papers related to gastrointestinal immunology, colorectal topics, and international colorectal surgical outreach and education.

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 and grants for studies in the United Kingdom and the US.

Following graduation from Medical School she was awarded a research scholarship grant by the American Cure for Lymphoma Foundation; Dr. Hriesik completed further research in Immunology 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.

Dr. Hriesik serves on multiple committees including credentialing committees within the Rochester NY region. She is also dedicated to the American Society of Colon and Rectal Surgeons (ASCRS). She is the former Vice Chair and Chair of the ASCRS International Committee where she continues to hold an active role as an Advisor.

Dr. Hriesik was born in Bremen, Northern Germany. She is fluent in German, English and conversational Spanish. In her free time, she enjoys traveling, playing tennis and painting. Dr. Hriesik has adopted two rescue cats and supports animal and cat shelters in Upstate NY.