Noah’s Ark Animal Center is a veterinary clinic, laser and acupuncture center and DVM surgical and exam rental facility like no other. We provide affordable pet care with an emphasis on practicality. Our location is between the Ft. Collins-Loveland Airport, and the Windsor exit on I25. Noah’s Ark Animal Center has specialized in dog and cat care since 1980.

In addition to providing general veterinary medicine to the public and our long standing clients we are the first clinic to offer office sharing to local veterinarians. Veterinarians can rent exam and surgery space from our clinic. This allows mobile veterinarians, relief veterinarians, new veterinarians and semi-retired veterinarians affordable options for their practice. In addition to exam and surgery space we offer veterinary assistants and technician staff, anesthesia setup, surgical assisting and monitoring, auto-clave services, dental equipment and laser/acupuncture services.

Our resident veterinarian Dr. Denise Itule, DVM, and technician/practice manager Catherine Critz, MSVM provide professional veterinary care while explaining all treatment options. We understand that the bond that exists between pets and their owners is a very special one; therefore, we strive to do the best for your companions.

Our veterinarians, practice manager and practice coordinator all work together to provide affordable veterinary medicine and services to help you care for your pet family.


Catherine Critz, MSVM
Owner / Practice Manager / Technician
Noah’s Ark Animal Center

Catherine’s home town is San Diego, CA. where she started in veterinary medicine in 1998 working with several rescue organizations throughout San Diego and Mexico. Catherine has funded and volunteered for several spay and neuter clinics throughout the United States, Mexico and the Bahamas. Her passion is general medicine, spay/neuter and disaster animal response rescue. Catherine has several degrees in Computer Science, Biology and Veterinary Medicine. She attended Ross University School of Veterinary Medicine in St. Kitts and earned her Master’s Degree in Veterinary Medicine from Colorado State University in 2008. Catherine is committed to providing the best environment and care for your pet!



Stephanie Newton
Practice Coordinator
Noah’s Ark Animal Center

Stephanie is a Colorado native and has been involved with animals and animal care her whole life. Throughout Stephanie’s career in animal care, kennel and clinic management she realizes that providing excellent customer service and caring for your animal is her top priority. Stephanie brings many years of expertise in clinic management and animal handling. In her spare time she enjoys spending time with her family and her two dogs, Oscar and Oddie.



Dr. Denise Itule, DVM

Dr. Itule is a 1998 graduate of Colorado State University School of Veterinary Medicine. Dr. Itule has worked as a small animal and exotic animal veterinarian in Fort Collins, Colorado for over 19 years! Dr. Itule is a kind, caring and compassionate veterinarian that presents affordable veterinary service options for your family member. Noah’s Ark Animal Center is very fortunate to have Dr. Itule as part of our team. Dr. Itule is also an artist and enjoys painting and furniture restoration. Dr. Itule and her husband, enjoy living the Colorado lifestyle in  Fort Collins, Colorado with her rescue dogs.

Brittany Zimmerman
Lead Veterinary Technician
Noah’s Ark Animal Center

Brittany is a graduate of Pima Technical Institutue Veterinary Medical Assistant program. Brittany has worked with large and small animals her whole life. Brittany is our lead technician along with also providing some laser therapies. Brittany is committed to providing excellent care for your animal and helping you with any animal care questions you may have.