Doctor’s and Staff

Dr. John P. Hergenrether


Dr. Hergenrether is a native Lawtonian and graduate of Eisenhower High School. He attended Oklahoma State University and graduated from the College of Veterinary Medicine in 2000.

Dr. Hergenrether loves spending time with his beautiful wife Ginny and their four wonderful children. He spends his free time coaching youth soccer and working on his ranch. His primary medical interests are complicated medical cases, ultrasonography, and the wonder of the Human-Animal bond.

Dr. Charles E. Underwood


Dr. Underwood was born and raised in Lawton Oklahoma. He graduated from Eisenhower High School and Cameron University before heading up to Oklahoma State University to follow his dream of becoming a veterinarian.

Dr. Underwood credits has parents and sister for supporting and encouraging him in attaining his dream of becoming a veterinarian. He became a veterinarian to help people by helping their animals. His own dog Max holds a special place in his heart and he understands how other people feel about their own pets.

Dr. Underwood loves having the opportunity each and every day to help not only his animal patients, but to also help the owners by ensuring the health and safety of their loved one. His goal with every visit is for the patient and client to leave in a better condition than when they walked in and with a smile on their face.

Outside of the veterinary world he enjoys going to movies, relaxing and watching basketball (Go Thunder!), reading, and playing disc golf.