Meet Our Team

Our Doctors

We are experienced, passionate veterinarians, combining our expertise, experience, and varied interests to provide you with the best care available. Our broad range of skills will keep your pet's care close to home. We have established ourselves in the community as involved and respected animal enthusiasts, but our primary concern is for you and your family: We want you to be fully informed about your pet's care and stay completely involved in his or her medical decisions.

Dr. Mondrian Contreras

Dr. Mondrian Contreras graduated from the University of Florida College of Veterinary Medicine in 2010. He completed his internship at VCA Aurora/Berwyn Animal Hospital in 2011, and has special interest in surgery, oncology and dermatology. Dr. Contreras currently lives in Batavia with his wife, 3 sons, a new baby on the way and Emiko the family cat.


Dr. Elaine McCarthy

Dr. Elaine McCarthy graduated from the Purdue University College of Veterinary Medicine. She was born and raised in Indianapolis, IN where she grew up with her beloved family kitties and is the youngest of 5 sisters. She went to Purdue for 8 years completing both her undergraduate and veterinary degrees. She enjoys hiking, traveling, playing games with her family and friends, and dabbling in the arts. Dr. McCarthy currently lives in Carol Stream where she is excited to grow her veterinary career!  



Meet the amazing Dr. McCarthy. We are so excited that this extremely talented veterinarian has joined the Carol Stream Animal Hospital family!


Dr. Ann Gonnering

Dr. Ann Gonnering grew up in Schaumburg IL surrounded by an assortment of pets and wildlife. She earned both a Bachelor’s degree in Animal Science and a Doctorate of Veterinary Medicine from the University of Illinois. Since graduating, Dr. Gonnering has moved back to the Schaumburg area where she lives with her two beloved cats, Archie and Acer, and her handsome rabbit, Cedar. She enjoys exotic animal medicine as well as neurology and ophthalmology. Dr. Gonnering is very excited to meet you and your furry, scaled, or feathered pet!


Dr. Jessica Huntington

Dr. Jessica Huntington started her career in the veterinary field as a veterinary assistant here at Carol Stream Animal Hospital. She went on to graduate from the University of Illinois Champaign-Urbana in 2018. During veterinary school, she was passionate about wildlife, exotics, and emergency medicine. After graduation, she completed a small animal rotating internship at VCA Arboretum View in Downers Grove in 2019. Since then Dr. Huntington has been working as an emergency veterinarian at VCA Aurora. She is looking forward to returning to her roots and becoming a member of the Carol Stream community where she hopes to become an active team member in the care of you and your beloved furry, scaled, and feathered family members!

Our Staff

We are committed to staying up-to-date with the constant changes that occur in veterinary medicine.  Our staff holds weekly journal club meetings with Dr. Contreras.


    My name is Fina and I have been a part of the Carol Stream Animal Hospital family since I was 17. A couple years after graduating from the University of Illinois with a B.S. in Integrative Biology, I came back to my hometown and am now the practice manger at this hospital. My boxer mix, Cassius Clay, and I love participating in all the educational  events and  community activities CSAH sponsors!


    I have worked at Carol Stream Animal Hospital since 2007. I enjoy working with and helping all the animals. At home, I enjoy spending time with my husband Tony, two sons, Jared and Jaxon, and my two dogs and two cats!


    I have been working for the Carol Stream Animal hospital since May of 2011. I love animals and am passionate about what I do. When I am at work, I keep busy with my husband, our daughter Maggie and three doggies at home. 


    Penny has been with the Carol Stream Animal Hospital since 1998. She is a whirlwind of work and a pleasure to have helping us with the little critters. She lives in town with her husband, Steve, and Daughter, June


    I have been working at Carol Stream Animal Hospital since October 2011. I enjoy working with the animals as well as our clients. I love sports of all kinds and share my home with my dog Charlee and my cat Colbee.


    I have been working at Carol Stream Animal Hospital since 2013.  I am very dedicated to helping animals and I love my job!  Outside of work, I enjoy spending time with my children Derek, Kiara, and my twins Lynnea & Dylan.  I also have 1 dog & 2 cats at home.  


    My name is Elizabeth and I have been working at CSAH for a year and a half. Although I have only been here for a short time, I have loved every second of working there with a great team and meeting our wonderful patients and clients. When I am not a work, I am pursuing my degree in Biology at Elmhurst College and I aspire to be a Veterinarian. I also enjoy spending time with my friends, family, two dogs, and my Guinea pig, Pumpkin.

We are lucky to have Super Techs! Check out our video...

Contact Us

We look forward to hearing from you


Find us on the map

Office Hours

Our Regular Schedule


8:00 am-7:00 pm


8:00 am-7:00 pm


8:00 am-7:00 pm


8:00 am-7:00 pm


8:00 am-6:00 pm


8:00 am-1:00 pm