Purrfect Health Cat Hospital Veterinarians

Cathy A. Ortloff, DVM

Dr. Cathy A. OrtloffAfter receiving her DVM degree from Colorado State University in 1997, Dr. Ortloff started her veterinary career in a small animal hospital in Kalispell, Montana. She returned to Colorado in 1998 where she worked for both small animal and mixed animal practices in Parker, Elizabeth, Greenwood Village and Castle Rock before pursuing a desire to open her own practice.

She continually nurtures an intense interest in feline medicine, and strives to provide compassionate and comprehensive care for every patient. An ailurophile from an early age, her life has been influenced by numerous very special cats.

She and her fiancé currently share their home with 2 cats - Maddie Moo and Benji.

Outside of veterinary medicine, Dr. Ortloff is passionate about scuba diving and marine conservation, and also enjoys international travel, gourmet cooking, gardening, and recreating in Colorado's fabulous mountains.

Tarina Anthony, DVM

Purrfect Health Cat Hospital Lone Tree, Colorado


Dr. Anthony graduated from Colorado State University with her DVM degree in 2007, and went straight into feline medicine. She worked at a feline-exclusive clinic in Chicago for over a decade before returning to Colorado with her family. Having loved cats from an early age, Dr. Anthony is thrilled to dedicate her life to them. She especially enjoys geriatric medicine, dentistry, and educating people about caring for their feline friends. Cats and their people are truly her passion. When not in the clinic, Dr. Anthony spends time with her husband and two kids, a sassy “old lady” cat named Raika, and two guinea pigs. She is an avid crafter and reader, and enjoys hiking in the Colorado sunshine.

Karrie Holston, DVM

Karrie Holston, DVM
Dr. Holston received her undergraduate degree in bacteriology from the University of Wisconsin-Madison. She subsequently earned her Doctorate of Veterinary Medicine from the University of Wisconsin-Madison in 2002. She has primarily practiced small animal medicine. Her hobbies include reading, attempts at gardening, sewing, hiking and skiing. She also enjoys spending time with her husband and children, both the human and furry kind.


Monika Connally, DVM

Purrfect Cat Health Cat Hospital Dr. Monika Connally grew up in northern California, and is proud to be the third generation of veterinarians in her family tree. She earned her DVM degree from Colorado State University in 1996, and became an active member of the American Association of Feline Practitioners. After graduating from CSU, she completed a year-long internship in small animal medicine and surgery at the Animal Medical Center in New York before returning to California to spend 3 years in general practice at a companion and exotic pet clinic. In 2000, she was able to pursue her dream of specializing in feline medicine, and spent 14 years as an associate veterinarian at Feline Medical Center in her hometown of Pleasanton, California. In 2014, Dr. Connally and her family returned to Colorado where she joined Purrfect Health Cat Hospital as a part-time veterinarian. She shares her home with her 2 mischievous feline companions, Dottie and Dexter, who excel at keeping her on her toes. When not at work, Dr. Connally enjoys hiking, drawing (cats, of course!), and volunteering with the Rocky Mountain Raptor Program in Fort Collins.