Dr. Deborah Patterson, DVM, MS

Veterinarian and Owner

Dr. Deb started Brooklyn Veterinary Clinic in May 2006. She was inspired by her love of animals and the desire to practice in her home community. Dr. Patterson received her doctor of veterinary medicine degree in 2000 at Colorado State University. She previously received a B.S. and M.S. from the University of Wyoming.

Dr. Deb belongs to many veterinary organizations including American Veterinary Medical Association (AVMA), American Animal Hospital Association (AAHA), Colorado Veterinary Medical Association (CVMA), Denver Area Veterinary Medical Society (DAVMS), International Veterinary Academy of Pain Management (IVAPM), and the American Association of Feline Practitioners (AAFP). She is involved in Castle Rock Chamber of Commerce.

Dr. Deb and her husband Sean enjoy watching their five children and one grandchild in all their activities They have two dogs and a friendly feline – Brodie a Golden Retriever, Stella a terrier mix, and Pebbles a Domestic Shorthair Cat.


Dr. Kathy Gaughan DVM, DABVP

Associate Veterinarian

Dr. Kathy joined Brooklyn Veterinary Clinic full time in March 2013. She was raised on a farm and ranch in the Flinthills of Kansas and received her Doctor of Veterinary Medicine (DVM) from Kansas State University in 1992.

Prior to moving to Colorado in 2006, she taught at the Veterinary Teaching Hospitals at Kansas State and Auburn University. In 1998, she became a board certified specialist in Canine and Feline Practice in the American Board of Veterinary Practitioners American Board of Veterinary Practitioners.

Dr. Kathy’s professional interests include animal behavior, internal medicine and nurturing the human-animal bond. Her hobbies include gardening, beading and spending time with her family. The Drs. Gaughan have two adult children who are pursuing degrees in the animal and agricultural sciences. The Gaughan ranch is home to Labradors, a Boston Terrier, 2 cats, 3 horses and a variable number of chickens.


Dr. Sarah Olson, DVM

Associate Veterinarian

Dr. Sarah joined Brooklyn Vet in May 2017. A Minnesota native, Dr. Sarah graduated from the University of Minnesota Veterinary School in 2009 and moved to Colorado shortly after graduating in search of job prospects… and warmer weather.

Dr. Sarah enjoys all aspects of general practice because of the variety it brings; always keeping her on her toes and learning new things. She also greatly cherishes the special bonds she forms with her clients and patients over the years. She has special interests in feline medicine, dentistry, behavior and radiology.

Dr. Sarah is the proud parent of a busy boy and pet parent to Greta (black lab), Heidi (yellow lab) and Pablo (long haired tuxedo cat).