The first thing you will notice upon arriving at our office is the incredibly friendly and inviting atmosphere. Get to know each one of our outstanding doctors that have been handpicked to provide you and your horse the very best care by learning more about them below.

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Rodney L. Belgrave, DVM, MS, Diplomate ACVIM
President Board Certified Internal Medicine Specialist Radiation Safety Officer Dr. Rodney Belgrave has been the Staff Internist and director of the Internal Medicine Department at the Mid-Atlantic Equine Medical Center since 2003. After graduating from the Atlantic Veterinary College of Prince Edward Island in 1997, Dr. Belgrave completed an Equine Internship at the Mid-Atlantic Equine Medical Center. Following his internship, he completed a three-year Equine Internal Medicine residency and Master's degree in Veterinary Medicine at Washington State University. His research involved evaluating the use of a polymerized ultrapurified hemoglobin product in anemic horses requiring blood transfusions. Following his residency, Dr. Belgrave was a clinical lecturer at the University of Florida's Veterinary Teaching Hospital. The American College of Veterinary Internal Medicine awarded Dr. Belgrave Diplomate status in 2001. He has been published in numerous peer-reviewed journals and has presented at the American College of Veterinary Internal Medicine's annual conference and many other continuing education seminars. In 2009 and 2011 he presented his findings on cases of “Equine Multinodular Pulmonary Fibrosis" and on the “Use of Serum Amyloid A in Clinical Cases" at the American Association of Equine Practitioners (AAEP) and American College of Veterinary Internal Medicine (ACVIM) annual conferences. In October 2014, he presented at the Bluegrass meeting in Lexington on “Equine Multinodular Pulmonary Fibrosis" and “Treatment and Management of Bacterial Pleuropneumonia." Dr. Belgrave has served on the educational program committee of the AAEP and is past president of the North East Association of Equine Practitioners (NEAEP). His specialty interests include respiratory and neurological disorders, neonatology, and gastroenterology. He is involved in a clinical research project with Boehringer Ingelheim surveying the incidence of infectious diseases of the upper respiratory tract in young racehorses. dr_belgrave@midatlanticequine.com
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Patricia S. Doyle, DVM, MS, Diplomate ACVS
Board Certified Surgeon After graduating cum laude from the Auburn University School of Veterinary Medicine in 1990, Dr. Doyle served as an equine intern at the University of Missouri and completed a three-year surgical residency at the Marion duPont Scott Equine Medical Center. She remained at the Center as a Clinical Instructor, teaching courses in nuclear imaging and surgery, as well as directing the nuclear scintigraphy department. In 1998 Dr. Doyle completed her Master's degree in Equine Surgery and in 2001 she became a Diplomate of the American College of Veterinary Surgeons. Dr. Doyle has been published in surgery textbooks and veterinary journals on chemotherapeutics for skin tumors and diagnostic results of arthroscopic surgery on osteochondral lesions in the shoulder joint of horses. Dr. Doyle's special interests include emergency abdominal surgery and lameness evaluation, including associated diagnostic and therapeutic approaches such as nuclear scintigraphy, radiology, ultrasonography, MRI, regenerative medicine and ultrasound guided treatments. dr_doyle@midatlanticequine.com
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Janik C. Gasiorowski, VMD, Diplomate ACVS
Board Certified Surgeon Dr. Gasiorowski graduated cum laude from the University of Pennsylvania School of Veterinary Medicine in 2007. Following graduation he completed an internship at Rood & Riddle Equine Hospital, followed by a 3 year surgical residency at the University of Pennsylvania's New Bolton Center. Dr. Gasiorowski was hired into the New Bolton Center section of surgery where he was on staff until coming to Mid-Atlantic Equine Medical Center in 2013. During his tenure there he received teaching awards and the prestigious Charles W. Raker surgery award. He was awarded diplomat status by the American College of Veterinary Surgeons (ACVS) in 2012. Dr. Gasiorowski's clinical interests include orthopedic and upper respiratory surgery, lameness diagnosis and nuclear scintigraphy. He is an active faculty member of AO North America and teaches equine orthopedic surgery for the AOVet division. More recently, he has been focusing on the development of surgical techniques in the standing (not anesthetized) horse. His research interests include regenerative medicine (stem cell therapy) and orthopedics and he has presented on topics including current applications of locking compression plates, computed tomography (CT scan) assisted fracture fixation and orthopedic implant removal. He is published in peer-reviewed journals and has written text book chapters on a variety of topics. On a more personal note, he has a growing interest in the transitioning of thoroughbred racehorses to second careers. Dr. Janik Gasiorowski paired academics with athletics throughout his undergraduate education. He began as a biology major and member of the crew team at Duke University. In 2000 he transferred to the University of California, Berkeley to pursue Division I rowing and was a recipient of the PAC-10 Division I Athletes All-Academic scholarship. These days he still enjoys rowing, skiing, and the outdoors and spends all of his free time with his wife Brooke, sons Calvin and Gabriel, and daughter Blake. dr_gasiorowski@midatlanticequine.com
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Jesse Tyma , D.V.M. Diplomate ACVS-LA
Dr. Tyma grew up in New Hope, Pennsylvania and attended Amherst College for her undergraduate education, receiving a degree in chemistry. She moved onto Cornell University's College of Veterinary Medicine, graduating in 2014 with Phi Zeta honors, and completed a one-year rotating internship at Rhinebeck Equine. Thereafter she went on to complete a three-year surgical residency at the University of Georgia and spent an additional year at UGA as a clinical instructor in large animal surgery and emergency and critical care. In 2019 she became a diplomate of the American College of Veterinary Surgeons (large animal). Dr. Tyma is also certified in veterinary acupuncture. Dr. Tyma's clinical interests include the acute abdomen and emergency surgery and medicine, wound management, minimally invasive surgery, and lameness and rehabilitation. Her research has focused on the gastrointestinal microbiome, post-operative colic complications, and musculoskeletal regenerative therapies. Outside of work, Dr. Tyma enjoys staying active with long-distance running and CrossFit, hiking, skiing, traveling, and spending time with her handsome and mischievous cats, Henry and Duncan.
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Katy Sullivan, VMD
Field Service Practitioner Dr. Katy Sullivan grew up in Northern California and Monmouth County, New Jersey, where a love of animals, especially horses started at a young age. At the age of five Dr. Sullivan declared that she wanted to be a vet. She attended a health science-based high school that offered her first opportunity to shadow a veterinarian. Dr. Sullivan received a degree in biology from Providence College in 2011 and went on to the University of Pennsylvania for veterinary school. While at Penn Vet, Dr. Sullivan explored the various paths that veterinary medicine has to offer: from spay-neuter work on the Galápagos Islands to sleep research in swine to mixed-animal practice in Amish country. In the end, Dr. Sullivan found that equine medicine was her passion. After graduating in 2015, she participated in a rotating internship at Woodside Equine Clinic in Virginia. Dr. Sullivan's professional interests include emergency medicine, lameness, reproduction and dentistry. Outside of work she enjoys hiking, traveling, the beach, and spending time with family and friends. dr_sullivan@midatlanticequine.com
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Kyle F. Clark, VMD
Field Service Practitioner Dr. Kyle Clark was born and raised in Chester County, PA. He obtained his Bachelor of Science, Degree with Distinction, from the University of Delaware in 2010 where he studied Animal Science (Pre-Veterinary Medicine) and Wildlife Biology. He then attended the University of Pennsylvania where he was awarded the New Bolton Center Patient Care Award and received his degree in veterinary medicine in 2014. Dr. Clark went on to complete a year-long rotating internship at the University of Tennessee’s large animal hospital. Dr. Clark has most recently been an associate at Chicago Equine Medical Center (formerly Merritt & Associates Equine Hospital), a primary care and referral hospital which specializes in equine sports medicine and surgery. Over the past 3 years he has honed his lameness and diagnostic imaging skills working at the top sport horse arenas in Northern Illinois. Dr. Clark excels in all facets of ambulatory medicine, however his areas of professional interest include comprehensive poor performance and lameness evaluation. He is currently expanding on his interest in diagnostic imaging, through certification with the International Society of Equine Locomotor Pathology (ISELP). We are pleased to add a clinician with his experience and skillset to our growing staff. dr_clark@midatlanticequine.com
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Mary M Durando, DVM, PhD, Diplomate ACVIM
Board Certified Internal Medicine Specialist Dr. Mary Durando graduated from the University of Georgia in 1987. After working in private practice in Virginia and completing a 6-month medicine-oriented internship at Rood and Riddle Equine Hospital in Lexington, KY, she completed a residency in Large Animal Internal Medicine at the University of Florida. Following this she went to graduate school at the Medical University of South Carolina, receiving a PhD in Physiology, in the field of endotoxin research. After the PhD program, she completed a 2-year fellowship at the University of Pennsylvania’s Large Animal Hospital in the Large Animal Cardiology/Ultrasound section. She then relocated to California for 3 years as a clinical lecturer in Equine Medicine at the University of California’s Veterinary Teaching Hospital, before returning to Pennsylvania to work at the treadmill facility in exercise physiology and cardiopulmonary research at the University of Pennsylvania’s Large Animal Hospital. Most recently, she is a partner in Equine Sports Medicine Consultants, an ambulatory internal medicine consulting practice. Dr. Durando was awarded Diplomate status in Large Animal Internal Medicine by the American College of Veterinary Internal Medicine. She has been published in numerous peer-reviewed journals, and has presented at the American College of Veterinary Internal Medicine annual conferences, as well as the International Congress of Equine Exercise Physiology (ICEEP) meetings, and other regional and national/international continuing education seminars. Dr. Durando’s special interests include cardiology and respiratory disorders, as well as exercise physiology and how the disorders of the cardiopulmonary system relate to poor performance. She is also interested in neonatology and sepsis/endotoxemia. dr_durando@midatlanticequine.com
Dean Neely, VMD, Ph.D, Diplomate ACT
Board Certified in Theriogenology, Consulting Veterinarian Dr. Dean Neely is one of the founding partners of the Mid-Atlantic Equine Medical Center. He began enjoying a semi-retirement in 2014, but continues in an active role of support and consultation for our Equine Reproduction Unit. Upon graduation from the University of Pennsylvania in 1969, Dr. Neely completed an internship, residency and Ph.D. in Comparative Pathology with an emphasis on Equine Reproduction at the University of California. Dr. Neely is board certified in theriogenology and has served on the faculties of numerous universities. He has made major academic contributions to equine medicine, such as defining the prostaglandin release patterns of the mare and pioneering equine embryo transfer. dr_neely@midatlanticequine.com
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2019-2020 Interns
Catherine Thurston V.M.D Melanie Mironovich D.V.M. Madalyn Kalscheur D.V.M. Sarah Ciamillo D.V.M. Stefanie Gayer V.M.D. Linnea Warlick D.V.M.
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2018-2019 Interns
Jillian Minuto, DVM Meagan Szarek, DVM Rebecca Skirmont, DVM Zena Hemmen, DVM Julia Graham, DVM Casey Larsen, DVM
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2017-2018 Interns
Rebecca Bishop, DVM Sarah Colmer, VMD Danielle Guilfoyle, VMD Jessica Martin, DVM Courtney O'Connell, DVM Kathryn Timko, DVM
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2016-2017 Interns
Sarah Jarosinski, DVM Elena Martinez de Andino, VMD Beth Byles, DVM Lauren Smanik, DVM Caitlin Moore, VMD
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2015-2016 Interns
Melissa Fenn, DVM Edward Radue, DVM Samantha Molson, DVM Amanda Prisk, VMD Kristen Darragh, BVM&S
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2014-2015 Interns
Dr. Libby Reidy Dr. Kathryn Livesey Dr. Tasha Likavec Dr. Nicole Finazzo