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James Irwin

Dr. James Irwin

Dr. James Irwin is the practice owner. Dr. Irwin has special skills in diagnostic medicine and has taught hematology and diagnostic chemistries for over 12 years. He has spoken in 9 countries on these topics and has numerous articles in veterinary journals. He has also developed numerous C02 laser surgical procedures and has taught laser surgery for over 10 years.


DVM Purdue University 1972


Dr. Knopf

Dr. Gerred Knopf

Dr. Gerred Knopf joined the staff at Sulphur Springs in 2012 after graduating from the University of Missouri College of Veterinary Medicine.  He has been working in the veterinary field since high school and has been able to enjoy the many different aspects of veterinary medicine.  He enjoys exotic medicine, cardiology, and anesthesiology and completed extra courses in these areas while at the University.


BS Biology Truman State University 2008

DVM University of Missouri 2012

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Veterinary Technicians and Staff

Amber since 2006                  Tara since 2009

Joe since 2010                      Taylor since 2012

Melissa since 2016                Michael since 2017