Dr. Mark Revenaugh is the owner of NWEP. He is a renowned expert in the diagnosis and treatment of lameness and performance issues, attracting clients from all over the northwest. His fascination with equine medicine and competitive performance began long before opening his specialty clinic in the Oregon.


Though he studied riding under eventing icon Bruce Davidson, and spent several years in human medical research, his passion was always focused on helping owners and horses maximize their performance potential.


He pursued that passion at the University of Illinois College of Veterinary Medicine, graduating in 1991. Dr. Revenaugh worked with some of the leading sport horse veterinarians in the world, including Dr. Kent Allen, Dr. Haynes Stevens, and Dr. Brendon Furlong. During this time, Dr. Revenaugh authored the first license for use of scintigraphy (bone scan) in the state of New Jersey in 1996. In 1997, Dr. Revenaugh took his first trip as official USET Team Veterinarian, traveling to Germany for a pairs Driving World Championship. Dr. Revenaugh has been honored to serve as a Team Veterinarian or Assistant Team Veterinarian since that time. Duties have included selecting, treating and advising elite level professionals in the equine industry, maintaining health and maximizing performance.


Dr. Revenaugh moved to the Pacific Northwest in 2002 where he intended to create a small and unique practice to work exclusively with equine performance issues and lameness. The clinic quickly grew into one of the premier equine sports medicine practices in the western United States reflecting Dr. Revenaugh's investment in advanced technologies, imaging modalities, and leading edge therapies. Dr. Revenaugh has also served as the Director of the High Performance Sports Group since 2013 in an effort to help further not only the sport, but the profession as well. 


His greatest professional joy remains being part of a winning team; helping horses and owners make good decisions to advance equine health and maximize performance.


Dr. Revenaugh lives on a farm in Mulino with his wife and 2 children. They enjoy outdoor activities including bicycling, camping, and exploring this beautiful region.


email: mark@equinepi.com


Dr. Rachel Buchholz is an associate veterinarian at NWEP. She is originally from Howell, Michigan and has been around horses for as long as she can remember. She rode a variety of disciplines growing up and showed her horse Romeo all-around on the Pinto circuit to multiple regional and national titles.


She has aspired to become an equine veterinarian since childhood and attended Michigan State University receiving both her Bachelors in Animal Science and her Doctorate of Veterinary Medicine. During her time at MSU she worked at the world renowned Mary Anne McPhail Equine Performance Center with Dr. Hilary Clayton and Dr. Narelle Stubbs studying equine spinal anatomy, pathologies, and therapies. She also spent time at various equine clinics in Texas and Australia focusing on equine sports medicine. Following veterinary school she moved west, and has been with NWEP since. 


Dr. Buchholz splits her time between clinic cases and farm calls/ horse shows. She also  runs the NWEP standing MRI providing diagnostic imaging support and treatment/ rehabilitation advice for our clients and referring veterinarians. 


Dr. Buchholz's professional interests include equine physiotherapy, advanced diagnostic imaging and western performance horse issues. 


When not at the clinic, Rachel enjoys wine tasting, MSU Spartan football, and trips to the Oregon coast with her husband Jake and her dogs Rosalie and Westley.


email: rachel.buchholz@equinepi.com  

Dr. Austin Rowland joins NWEP as an associate veterinarian. As a child, Austin always wanted to be a doctor. He loved anything to do with science and understanding how things worked. Austin’s fascination with performance horses began on his family farm where he worked year-round, and in turn spent many of his summers at various horse shows all over the west coast.


Given his interest in medicine and the equine athlete, Austin's career path was clear.  He received his Bachelor of Science in Chemistry from George Fox University and went on to obtain his Doctorate of Veterinary Medicine from Oregon State University in 2017. Upon completion of vet school, Dr. Rowland moved to Oakdale, California, where he completed a one year rotating equine internship (lameness, surgery, medicine and emergency) at Pioneer Equine Hospital.


His professional interests include all aspects of the equine athlete from imaging and performance related wellness to regenerative therapies and rehabilitation techniques. Austin has always been a ‘problem solver’ and enjoys nothing more than applying himself to fix something or improve its function.


A native Oregonian, Dr. Rowland is very happy to be back home where he, his wife Alicia, and their daughter Reagan enjoy everything the PNW has to offer. 

email: austin.rowland@equinepi.com

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