Urology Residency Faculty

Dr. Plante

Mark K. Plante, MD
Chief of Urology, Professor of Surgery
Program Director, Division of Urology

Mark K. Plante, MD, FRCS(C), FACS is the Chief of Urology at the University of Vermont Medical Center. He is a Tenured Professor of Surgery and is the Urology Residency Program Director. A Flight Surgeon from 1993 to 1996 for Skyservice, he completed his medical degree and surgical training at McGill University in Montreal, Canada and received several awards during his residencies in General Surgery and Urologic Surgery. Dr. Plante has co-authored over 60 abstract presentations, over 35 peer review publications and four review publications and chapters. Dr. Plante has served as both Treasurer and President of the New England Section of the American Urological Association (AUA) and was a graduate of the inaugural leadership class of the AUA. Dr. Plante has been an invited speaker/presenter/visiting surgeon at conferences and universities throughout the United States, Canada, Europe, Asia and Australia. He has been primary to the successful reestablishment of Urologic Surgical Residency training at the University of Vermont as well as the broad integration efforts for urologic patient care in several counties in both Vermont and Upstate New York. Under his leadership, all urologic care in the UVM Health Network is provided by faculty urologists.

 

Dr. Grunert

Richard T. Grunert, MD
Assistant Professor of Surgery

Dr. Grunert received his medical degree from Rush Medical College in Chicago, Illinois. He completed his internship in Surgery and his residency at the University of Wisconsin. Dr. Grunert's research interests include reducing the risk of surgical site infection of urinary prosthetics as well as applying new wound retractor technology to greatly reduce the risk of skin contamination during the surgical implantation procedure. He is also actively involved in the evolving field of Laser endoscopic surgery. Dr. Grunert is a member of the American Urological Association, American Association of Clinical Urologists, a Fellow of the American College of Surgeons, Society of Sexual Medicine, the International Society of Sexual Medicine, and the European Society of Sexual Medicine.

 

Dr. Holoch

Peter A. Holoch, MD
Assistant Professor of Surgery

Dr. Holoch received his medical degree from the University of Vermont. He completed his internship in Surgery, his residency and Male Infertility Fellowship from the University of Iowa. Dr. Holoch's research interests include the effect of low-dose clomiphene citrate on spermatogenesis in the rat. Dr. Holoch is the Director of Medical Student Education in Urology and plays an active role in residency teaching. Dr. Holoch specializes in infertility, erectile dysfunction, and reconstructive urology. He is a member of the American Urological Association, the American Society of Reproductive Medicine, and the Alpha Omega Alpha Honor Medical Society.

 

Brian Irwin, MD

Brian Irwin, MD
Associate Professor of Surgery

Dr. Irwin received his medical degree from the University of Vermont. He completed his internship in Surgery at Indiana University, his residency at the University of Connecticut, and a Minimally Invasive/Endourology Fellowship at The Cleveland Clinic Foundation. Dr. Irwin's research interests include the impact of decipher prostate cancer classifier (primary prostatectomy tumor 22 genomic pattern) on Physician and Patient Treatment Consideration and Decisions following Radical Prostatectomy (PRO-IMPACT), the treatment choices of men with “good-risk” prostate cancer: an exploratory pilot study, and the Men's Eating and Living (MEAL) Study: A Randomized Trial of Diet to Alter Disease Progression in Prostate Cancer Patients on Active Surveillance. Dr. Irwin plays an active role in residency teaching. He is a member of the American Urological Association, Socioeconomic Committee for the New England Section of the American Urological Association, and the Vermont Representative to the Board of Directors for the New England Section of the American Urological Association.

 

Benjamin King

Benjamin King, MD
Assistant Professor of Surgery

Dr. King received his medical degree, completed his internship in Surgery and his residency in Urology at the University of Vermont. His clinical interests are prostate and kidney cancer with a focus on robotic surgery. He is actively involved in several different research projects including developing a minimally invasive technique for partial gland treatment of prostate cancer. He is an active mentor and involved in national and regional meetings. He is a member of the American Urological Association as well as a member of the New England AUA.

 

Urszula Kowalik

Urszula Kowalik, MD
Assistant Professor of Surgery

Dr. Kowalik received her medical degree from the University at Buffalo School of Medicine and Biomedical Sciences. She completed her internship in Surgery and residency training in Urology at the University of Vermont and fellowship in Genitourinary Reconstructive-Cancer Survivorship at Duke University. Dr. Kowalik’s clinical interests include reconstructive urology, including urethral and ureteral structure disease; male urinary incontinence, neurourology and radiation cystitis. Above all else, her goal is to develop a relationship with her patients, where they can establish care goals and work together to improve quality of life as well as develop an understanding of the urologic issues they are experiencing. She is actively involved in teaching and a member of the American Urological Association.

 

Benjamin King, MD

Andrew C. Mahoney, MD
Assistant Professor of Surgery

Dr. Mahoney received his medical degree from the University of Colorado. He did a transitional year at the Mayo Clinic in Scottsdale, AZ. Dr. Mahoney completed his internship in Surgery and his residency at the Georgetown University. Dr. Mahoney is a practicing Urologist in the Department of Surgery at the University of Vermont Medical Center and primarily practices general urology in Middlebury and at Porter Medical Center. He also sees patients at the University of Vermont Medical Center – Fanny Allen campus twice a month. He is board certified and a member of the American Urological Association.

 

gerald mingin, MD

Gerald C. Mingin, MD
Associate Professor of Surgery

Dr. Mingin received his medical degree from the University of Medicine and Dentistry of New Jersey. He completed his internship in Surgery and his residency at the University of Medicine and Dentistry of New Jersey and his Pediatric Urology fellowship at the University of California. Dr. Mingin's research interests include social stress-induced voiding dysfunction and serves as the Principal Investigator for a grant from the National Institute of Diabetes and Digestive and Kidney Diseases. Dr. Mingin is the Director of Pediatric Urology at Vermont Children's Hospital at the University of Vermont Medical Center. Dr. Mingin is a member of the American Urological Association, American Association of Pediatric Urology and is a Specialty Fellow of the American Academy of Pediatrics.

 

scott perrapato, MD

Scott D. Perrapato, DO
Associate Professor of Surgery

Scott D. Perrapato, DO FACOS is an Associate Professor at the University of Vermont (UVM). Dr. Perrapato received his medical degree from the University of Medicine and Dentistry of New Jersey, School of Osteopathic Medicine. He completed his internship in Surgery at the Grand Rapids Osteopathic Hospital, his residency at the Metropolitan Hospital in Grand Rapids, MI, and his Urologic Oncology Fellowship at Roswell Park Cancer Institute (RPCI) in Buffalo, NY. Dr. Perrapato is the Director of the University of Vermont Medical Center Genitourinary Oncology Transdisciplinary Team. He also assisted in the initiation of the UVM Medical Center Computer Assisted/Robotic Surgery Program. Dr. Perrapato is an active member of the Society of Urologic Oncology, American Urological Association, American Society of Clinical Oncologists, and American College of Osteopathic Surgeons. Dr. Perrapato has recently been appointed to the Alliance Cancer Control Program / Prevention Committee.

 

Jonathan Riddell, MD

Jonathan Riddell, MD
Assistant Professor of Surgery

Dr. Jonathan Riddell received his medical degree and completed his urology residency through the University of Western Ontario. He completed a fellowship in maternal-fetal and pediatric urology at the University of Montreal (CHU Sainte-Justine). His clinical and research interests include minimally invasive and robot surgery for congenital urologic conditions in children, adolescents and young adults. He has pioneered several new robotic techniques and actively presents at national and international meetings. Dr. Riddell is a member of the American Urologic Association, the American Association of Pediatric Urologists and is specialty-board certified in both Canada and the United States.

 

kevan sternberg, MD

Kevan M. Sternberg, MD
Associate Professor of Surgery

Dr. Sternberg received his medical degree from SUNY Buffalo. He completed his internship in Surgery and residency in Urology at SUNY Buffalo and his fellowship in Endourology & Robotics at the University of Pittsburgh. Dr. Sternberg is the Co-Director of the Multidisciplinary Kidney Stone Clinic and the Director of Research for the Division of Urology at the University of Vermont Medical Center. He plays an active role in residency teaching and participates in clinical research looking at outcomes and quality related to kidney stone disease. He is a member of the American Urological Association and the Vermont State Representative for the New England Section AUA board of directors.

 

Physician Assistants

liz stampfl

Elizabeth A. “Liz” Stampfl, PA-C

Liz Stampfl, PA-C is a Physician Assistant with the Division of Urology at the University of Vermont Medical Center. She is also a Clinical Instructor of Surgery at the University of Vermont College of Medicine. Liz received her bachelor's degree from Trinity College of Vermont and her Physician Assistant certificate from Albany Medical College. Liz works very closely with the urology residents and is highly involved with the robotics program. Liz is a member of the American Academy of Physician Assistants, Physician Assistant Academy of Vermont, and the Urology Association of Physician Assistants.

 

Residents

We are a five-year program, one resident per year. In 2019 we added two international residents who transferred to our program.

Barayan_Ghassan white coat.jpg

Ghassan Barayan, MB BS

Dr. Barayan is co-chief urology resident at the University of Vermont. He received his medical degree from the Faculty of Medicine at King Abdulaziz University with honors and was awarded the Star of Faculty of Medicine. He did a research fellowship at Boston Children's Hospital in Robotic Surgery / Pediatric Urology. Afterward, he did a Master of Science at McGill University and his Project was on Active Surveillance in Prostate Cancer cohort. He began Urology residency training at McGill University and transferred as a PGY-4 to UVMMC. He participated in multiple volunteer medical missions as well as public awareness campaigns. Dr. Barayan speaks fluent Arabic, English and French. He loves travelling, playing soccer, swimming, ping pong, billiards and spending free time with family and friends.

 

nathaniel johnson

Nathaniel Johnson, MD

Dr. Johnson is co-chief urology at the University of Vermont. Dr. Johnson received his medical degree from Tufts University. He is a graduate of Bates College with a BS in Biological Chemistry. In medical school, he was involved in the Tufts Global Health Program in rural Panama. Dr. Johnson was president of the Tufts ski club for 2 years. When he was younger, he funded his love of competitive skiing by managing the snack shack in Falmouth, Maine. His hard work paid off, and by the end of high school, he was ranked # 1 in mogul skiing in the east!

 

richard hartnett

Richard Hartnett, MD, MS

Dr. Hartnett is a PGY-4 urology resident at the University of Vermont. He is originally from Stonington, Connecticut. Dr. Hartnett received his medical degree from Wake Forest School of Medicine. He is a graduate of Georgia Tech where he majored in biomedical engineering. Prior to pursuing medicine he briefly worked as a patent examiner at the US Patent and Trademark Office. He then completed two masters degrees, the first in electrical engineering and then in physiology and biophysics from Georgetown University. Dr. Hartnett enjoys traveling, having studied abroad in France, as well as playing tennis and basketball, hiking, bowling, and rooting for all Boston sports.

 

Awad_Mohannad.jpg

Mohannad Awad, MB BS, MAS

Dr. Awad is a PGY-4 urology resident at the University of Vermont. He received his medical degree from King Abdulaziz University in Saudi Arabia. Dr. Awad completed his general surgery internship at St. Elizabeth's Medical Center in Boston. Prior to his residency, Dr. Awad completed a master's degree in clinical research at the University of California, San Francisco. One of his main projects was about bicycling and sexual function, which he presented at the AUA. The topic garnered a lot of media attention. Dr. Awad enjoys playing soccer, ping pong, and basketball. He is a licensed scuba diver and enjoys diving in the wonderful Red Sea back home in Saudi Arabia.

 

brett giblin

Brett Giblin, MD

Dr. Giblin is a PGY-3 urology resident at the University of Vermont. Dr. Giblin received his medical degree from Geisinger Commonwealth School of Medicine in Scranton, Pennsylvania. He is a graduate of Harvard University with a BA in Molecular and Cellular Biology. In medical school, he was involved in advocacy and was elected Vice-Chair of the AMA Medical Student Section for the Mid-Atlantic Region. He has a deep love of baseball (both minor and major leagues) and the application of advanced analytics in sports. A former water polo letter-winner in high school, Dr. Giblin still enjoys swimming but is just as likely to be indulging one of his other interests: philosophy, architecture, and absurdist comedy.

 

Alexander Plochocki

Alexander Plochocki, MD, MPH 

Dr. Plochocki is a PGY-2 urology resident at the University of Vermont. He is a graduate of Frank H. Netter, MD School of Medicine at Quinnipiac University in Connecticut. While in medical school, Alex was the Director of Operations for a student-run medical clinic, did research in male infertility and ICU healthcare outcomes, and was co-president of the cycling club. Alex did his MPH at St. George’s University, where he also became a PADI-certified rescue SCUBA diver. When not studying, he researched the safety of illegal babash (moonshine) in the Grenada and started trail running. Alex is an alumni of Trinity College in Hartford, CT, where he majored in German studies and biochemistry, and studied abroad in Heidelberg and Stuttgart, Germany during his junior year. Throughout his undergrad, Alex played rugby, was captain of the weightlifting team, and president of the home-brewing club. A first generation son of a Polish immigrant family, he grew up in central Connecticut enjoying hiking, playing football, and eating tons of Slavic food. Nowadays, when Alex is not in the hospital, he enjoys any-and-all mountain sports, board games, and listening to audiobooks.

 

Adrian Richey

Adrian Richey, MD

Dr. Richey is a PGY-1 urology resident at the University of Vermont. She is a graduate of the University of Washington School of Medicine in Seattle. She is a member of the American Urological Association.

Urology sites:
 
Larner College of Medicine at UVM
 
UVM Medical Center

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Program number for ERAS Applications:
4805013188