About Us

Meet Our Staff

Jack Worthington, DVM

Dr. Worthington has practiced veterinary medicine in Colorado for over 20 years. As a native of Fort Collins, he studied at Colorado State University, and he received his veterinary degree from Ross University School of Veterinary Medicine. He returned to Colorado and purchased Loveland's Carr Animal Clinic in 1996; in 2006, he built Worthington Animal Clinic. Dr. Worthington enjoys owning his own practice where he focuses on general medicine, dentistry, and surgeries. Dr. Worthington spends his free time skiing, hiking, scuba diving, and enjoying his dogs, Elliot and Oliver and his cat, Blue.

Dr. Worthington's surgery day is Tuesday.

Jack Worthington — Animal Clinic in Loveland, CO

Wendy Love, DVM

Dr. Love has lived her life in Colorado, growing up in Boulder and receiving her DVM degree at Colorado State University. She joined the staff of the Worthington Animal Clinic in 2005 with a focus on general medicine and surgery. Dr. Love's free time is spent reading, hiking, flower gardening, and cross stitching.

Dr. Love's surgery day is Wednesday.

Wendy Love — Animal Clinic in Loveland, CO

Sarah Nelson, DVM

Dr. Nelson joined the Worthington team in 2017 after practicing for several years in Fort Collins. While originally from Colorado, she spent much of her life in North Dakota before returning to her native state in 2010. Dr. Nelson received her degree in Biology with minors in Chemistry and Business at North Dakota State University in Fargo, and received her DVM from Colorado State University. She is also certified in Veterinary Acupuncture.
Dr. Nelson enjoys working on dermatology, internal medicine, and pain management cases, as well as dentistry and surgery. Her goal is to treat every pet as an individual, and offer the same care she would want for her own animals.
Her life is shared by her husband, Cody, and 2 ragdoll cats, Ivy and Piper. She enjoys cooking, baking, hiking, and reading.

Dr. Nelson's surgery day is Monday.

Dr. Nelson — Animal Clinic in Loveland, CO

Dr. Tina Simmons, DVM

Dr. Tina Simmons, a graduate of CSU, returned to Colorado after practicing in Cheyenne, WY as well as Anchorage, AK. She was raised locally on a small farm in South Fort Collins and worked throughout high school at a local dairy. Dr. Worthington was her veterinarian when the clinic was still named Carr Animal Clinic. Dr. Simmons has an abundance of diverse experience working in both companion and rescue/shelter medicine since 2003. She tries to tailor her approach to each individual animal and the situation. She is certified in acupuncture and has a great deal of experience managing chronic pain cases. When she is not working, she enjoys gardening, fishing and spending time with her rescue chihuahuas.

Dr. Simmon's surgery day is Friday.

Dr. Simmon — Animal Clinic in Loveland, CO

Melissa Hawley, DVM

Dr. Hawley received her DVM from the University of California, Davis, School of Veterinary Medicine. She moved to Colorado following this to complete an intensive year-long internship focused on internal medicine and emergency care at the Colorado State Veterinary Teaching Hospital. After completion of this internship, Dr. Hawley entered the field of primary care medicine in the Fort Collins/Loveland area.

Dr. Hawley was on staff as an associate veterinarian with Worthington Animal Clinic from 2019-2021; she stepped away for a couple years when her son was born and is now excited to rejoin the team! During this time away from the clinic, Dr. Hawley worked as a telemedicine consultant veterinarian, which challenged her clinical skills in a different way.

Dr. Hawley enjoys all aspects of preventative care as well as general surgery.

Dr. Hawley lives in Fort Collins, Colorado. She has one adorable and energetic toddler son and two domestic long-hair cats.

She enjoys a great book (or many), skiing, hiking, and camping.

Dr Hawley's surgery day is Thursday.

Dr. Melissa Hawley — Animal Clinic in Loveland, CO

McKenzie Gibson, DVM

Dr. Gibson obtained her DVM degree from Colorado State University in May of 2023. She has loved living her entire life in Colorado, originally growing up in Longmont. Dr. Gibson is excited to start her career as a veterinarian with special interests in soft tissue surgery, internal medicine, as well as dentistry. She spends her free time hiking, backpacking, camping, and weightlifting. She also enjoys time with her family including her cat, Phoenyx and her dog, River.

Dr. McKenzie Gibson — Animal Clinic in Loveland, CO

Support Staff:Jennifer - Office ManagerAleesha - Certified Veterinary TechnicianAmy - Veterinary Assistant

Paige- Veterinary Assistant

Brittany H- Receptionist

Support Staff:Jennifer - Office ManagerAleesha - Certified Veterinary TechnicianAmy - Veterinary AssistantPaige- Veterinary AssistantBrittany H- Receptionist