Rochester General Gastroenterology
Contact Information
Rochester General Hospital Campus
1425 Portland Ave, Box 283
Joseph C. Wilson Medical Bldg., 2nd Floor
Rochester, NY 14621
** Parking: We are pleased to provide free parking conveniently located outside the building.
Phone: (585) 922-4136
Fax: (585) 922-5761
Office Hours
Monday - Friday: 8:30 am - 4:30 pm
Appointments
To make an appointment, call (585) 922-4136. After hours, call our answering service at (585) 232-3174. Emergency care is available at the Rochester General Hospital Emergency Department - call (585) 922-4000.
Insurance
We accept most major insurance plans, although some require a referral when making an appointment. Referrals may be obtained from your primary care physician.

Your Path to Better Health
The care you need. When you need it.
When your digestive health is off track, so is your life.
Rochester General Gastroenterology combines high-tech services with highly skilled and compassionate care to prevent, diagnose and treat a wide range of gastrointestinal and liver disorders. Doctors throughout the region refer their most complex cases to our expert gastroenterologists, whose specialties include colon cancer screening, hepatobiliary and pancreatic disease, and inflammatory bowel disease.
Experience Matters
Our physicians, all board certified in Internal Medicine and Gastroenterology, use minimally invasive techniques and procedures in a fully equipped endoscopy center. They work closely as a team with highly skilled nurse practitioners, radiologists, oncologists, surgeons and other health professionals - all backed by the superior resources and reputation of Rochester General Hospital. Blending private and academic practice, they participate in advanced clinical research, including the region's only stem-cell study for the treatment of Crohn's disease, to help move their field forward and provide even better care for patients.
Whether you have a digestive health problem or need colon cancer screening, we understand the importance and value of easy access to our services. This is why we guarantee prompt appointments at two convenient locations.
Choose your path to better health. We're here to help.
Our Services
Rochester General Gastroenterology uses the latest advances in the diagnosis and treatment of gastrointestinal and liver disorders. Along with our thoughtful, in-depth consultations, we offer:
- Upper endoscopy
- Colonoscopy
- Endoscopic retrograde cholangiopancretography
- Esophageal dilatations
- Percutaneous endoscopic gastrostomy tube placement
- Treatment of bleeding lesions (with Bicap probe, Argon Plasma Coagulator, Endoscopic clips, Injection therapy & Banding)
- Single balloon enteroscopy
- Radio-frequency ablation of Barrett's esophagus
Our Physicians
Karin Dunnigan, MD
Gastroenterology Unit Head
Board certified in Internal Medicine and Gastroenterology, and head of the Gastroenterology Unit, Dr. Dunnigan earned her medical degree at the University of Rochester. She completed her residency in Internal Medicine at Rochester General Hospital and a fellowship in Gastroenterology at the University of Rochester and Rochester General Hospital. Dr. Dunnigan received the 2007 Father George Norton Physician Excellence Award, which honors physicians who dramatically touch the lives of patients and the community. She has an interest in digestive disorders in women, including those in pregnancy, as well as colon cancer prevention. In her free time, Dr. Dunnigan enjoys music, traveling with her family, and tap dancing.
Kevin J. Casey, MD
Board certified in Internal Medicine and Gastroenterology, Dr. Casey earned his medical degree at Case Western Reserve University. He completed his residency in Internal Medicine at the University of Washington and a fellowship in Gastroenterology at Duke University Medical Center, where he was a doctoral candidate in the Department of Microbiology and Immunology. Dr. Casey is a member of the Rochester General Hospital Foundation Board, and is a past recipient of the Excellence in Teaching Award presented by Rochester General Hospital residents. He has an interest in hepatobiliary disease, inflammatory bowel disease and advanced endoscopy. He enjoys photography, running, skiing, and traveling with his family.
Kevin S. Jo, MD
Board certified in Internal Medicine and Gastroenterology, Dr. Jo earned his medical degree at Vanderbilt University School of Medicine. He completed his residency in Internal Medicine at the Colorado Health Sciences Center and a fellowship in Gastroenterology at the University of Rochester Medical Center. Dr. Jo's interests include inflammatory bowel disease, hepatobiliary disease and colon cancer screening. He lives with his wife, a pediatric cardiologist, and two children in Pittsford.
Joel E. McFarland, MD
Board certified in Internal Medicine and Gastroenterology, Dr. McFarland earned his medical degree at the University of Cincinnati, where he completed his residency in Internal Medicine and served as Chief Medical Resident. He completed a fellowship in Gastroenterology at the University of Rochester Medical Center. His areas of interest include celiac sprue and hepatobiliary disease, and he enjoys teaching Internal Medicine residents. In October 2010, Dr. McFarland completed an Ironman triathlon. He lives with his wife and two children in Fairport.
Jason P. Gutman, MD
Board certified in Internal Medicine and Gastroenterology, Dr. Gutman earned his medical degree at the State University of New York at Buffalo. He completed an internship and residency in Internal Medicine at Beth Israel Deaconess Medical Center in Boston, and a fellowship in Gastroenterology at the University of Rochester Medical Center, where he conducted research in inflammatory bowel disease and was recognized in 2009 for excellent patient care. Dr. Gutman continues to have an interest in inflammatory bowel disease, and is an active board member of the Crohns and Colitis Foundation Association, Rochester/Syracuse chapter. He lives with his wife and three children in Brighton.
Bernadette Porter, NP
Bernadette Porter taught in nursing school after obtaining her master's degree in nursing for the University of Buffalo. She returned to obtain her Nurse Practitioner degree so that she could focus on her first love of working with patients. She won the nursing research award at the University of Buffalo, and after graduation directed the Anticoagulation Service at Rochester General Hospital. A recipient of the Employee Recognition Award from the Internal Medicine Residency program, Mrs. Porter lives in North Chili and enjoys her dog, outdoor activities, and spending time with her son and grandson.
Mary Soprano, NP
Nationally certified as a Family Nurse Practitioner by the American Academy of Nurse Practitioners, Mrs. Soprano received her bachelor's degree in Nursing from Niagara University and her master's degree in Advanced Practice Nursing from St. John Fisher College. She was the recipient of the St. John Fisher Outstanding Family Nurse Practitioner Student Award. Before joining the Gastroenterology group in 2005, she worked in general surgery, perioperative services, surgical and cardiothoracic intensive care, and GI endoscopy at Rochester General Hospital. She lives with her husband and two children in Rochester.









