Meet the Asociated Veterinary Specialists Staff
Specialists AVS veterinarians with expertise and experience in diagnostic, surgical, dental and internal veterinary medicine.
Dr. Wayne R. Hause
Dr. Hause is Board-Certified in Small Animal Internal Medicine. He became board-certified in 1980. He graduated from the University of Wisconsin-Madison with a degree in Zoology in 1971. He then attended the University of Illinois at Champaign-Urbana and graduated with a Doctor of Veterinary Medicine degree with High Honors in 1975. He was given the Dr. L. E. Fisher Award for proficiency in small animal medicine. After veterinary school graduation, he performed a rotating internship at New York City’s Animal Medical Center, the largest small animal hospital in the world. After completion of the small animal internal medicine residency program at The Ohio State Univeristy, he joined the staff at The Ohio State University College of Veterinary Medicine as an assistant professor. His responsibilities in this position were clinical and lecture teaching of junior and senior veterinary students. He lectured primarily in the area of clinical oncology and ran the clinical oncology service until 1981. In addition, he ran the neurology service when the neurologists were off clinical service. Dr. Hause and his family moved to St. Louis in 1981 and he began to develop his internal medicine referral service immediately. Dr. Hause and Dr. Ronald Kolata developed the St. Louis Veterinary Referral Clinic and leased space from the Animal Emergency Clinic until 1989. The Bridgeton location was built and the staff moved in January of 1989 and the name was changed to Associated Veterinary Specialists. Since becoming certified by the American College of Veterinary Internal Medicine, Dr. Hause has remained an active member of the college. In addition to attending the annual educational forum, he has been on the Qualifying Examination and Residency Training committees. Although he is certified in small animal internal medicine, Dr. Hause maintains a special interest in clinical oncology and neurology. He is a member of the Greater St. Louis Veterinary Medical Association, the American Veterinary Medical Association and the Veterinary Cancer Society. Dr. Hause is a Diplomate in the American College of Veterinary Internal Medicine in Small Animal Internal Medicine.
Dr. Christine Cocayne
Dr. Christine G. Cocayne is board certified in Small Animal Internal Medicine. She is a 2004 graduate of the University of Missouri-Columbia and spent four years in private practice in the St. Louis area before starting her residency. She finished her three year residency training, which was done jointly at the University of Missouri-Columbia and AVS, in June 2011. She is a Diplomate of the American College of Veterinary Medicine in Small Animal Internal Medicine.
Dr. Robert D. Ulbricht
Dr. Ulbricht is Board-Certified in Dentistry Dr. Ulbricht received his Doctor of Veterinary Medicine degree in 1999 from the University of Illinois College of Veterinary Medicine. Following graduation he was a general practitioner in a multi-doctor, progressive small animal hospital in the Chicago area. In 2002, he completed a full-time residency in dentistry at the University of Illinois and joined the Associated Veterinary Specialists. Currently there are approximately 54 board-certified Veterinary Dentists in the United States and Dr. Ulbricht is the only one in the state of Missouri. He is active in education through lectures given to a variety of organizations and labs given to veterinarians and their staff to improve dental care provided to companion animals. Within the American Veterinary Dental College, Dr. Ulbricht is also involved with a committee to assist candidates for board-certification in Veterinary Dentistry. Dr. Ulbricht is a Diplomate of The American College of Veterinary Dentistry.
Dr. Kimberly Loyd
Dr. Loyd is board-certified in small animal internal medicine. She is a 2011 graduate of the University of Missouri College of Veterinary Medicine. She completed a rotating internship in small animal medicine and surgery at Kansas State University College of Veterinary Medicine in 2012. She performed a residency in small animal internal medicine through a combined program with Associated Veterinary Specialists and the University of Missouri College of Veterinary Medicine. She became a Diplomate of the American College of Veterinary Internal Medicine in Small Animal Internal Medicine in 2015.
Dr. Virginia Loder
Dr. Loder is a 1990 graduate of the University of Missouri College of Veterinary Medicine. Her career in veterinary medicine has been spent in both general small animal private practice (in St. Louis area and Philadelphia) and emergency medicine.
Dr. Jeffrey Bergmann
Dr. Bergmann is originally from Fairview Heights, Illinois, Dr. Bergmann graduated from The University of Illinois with his Doctorate in Veterinary Medicine in 1988. He has practiced in the St. Louis area ever since, seeing not only small animals, but a variety of exotic species as well. During his schooling at the University of Illinois he was co-manager of the Illinois Wildlife Medical Program there and completed a student program at The Audubon Zoo. Since his graduation, he has worked at various times with The Missouri Wildlife Rescue Center and The World Bird Sanctuary, in addition to having been on staff at the Animal Protective Association of Missouri and the Humane Society of Missouri.