Anna O'Brien

Dr. Anna O'Brien is a veterinarian and. She has worked with animals ranging from horses, dogs, and cats to camels, cows, monkeys, and honeybees. Dr. O'Brien is part of The Spruce Pets' veterinary review board


  • Over ten years of professional veterinary experience
  • Received her DVM from Purdue University College of Veterinary Medicine in 2008
  • USDA accredited
  • Contributing editor for Horse Illustrated, frequent contributor to other lay pet and farm magazines 


Dr. O'Brien has worked at various small animal clinics and spent a considerable amount of time as a large animal ambulatory veterinarian in central Maryland and southern Pennsylvania, performing on-farm surgeries such as castrations and C-sections, and working with farmers to ensure their herds are on the most appropriate preventative health program in regard to vaccines and parasite control.

She has also spent time working with humane societies, providing low-cost neuters, volunteering at rabies vaccination clinics, and helping design programs to assist pet owners in need of financial assistance to care for their cats and dogs.

Dr. O'Brien has written for pet publications for almost twenty years. Her articles have appeared in numerous national magazines such as Horse Illustrated, Hobby Farms, Modern Farmer, Dogs USA, Cats USA, Your New Horse, Dog Fancy, Just Labs, Equine Journal, Rocky Mountain Rider, Young Rider, Alpaca Magazine, and Women's Running. She won the 2014 Maxwell Medallion from the Dog Writers Association of America for the category of Best Magazine Article or Column - Behavior and Training for her article in the December 2013 issue of Dog Fancy, "5 Subtle Signs of Stress."

Dr. O'Brien also writes fiction, predominately speculative fiction short stories. Her work fiction has appeared online in such literary journals as Cheap Pop, Barren Magazine, and Cold Creek Review, as well as in several print anthologies. She also regularly writes about creativity in veterinary medicine and science on her blog.

Dr. O'Brien currently shares a home in Maryland with a lazy black Lab named Jetta and a handsome longhair tabby named Tuna. Additionally, she has a husband who is also handsome (but not lazy). In her spare time she enjoys hiking, triathlons, and coffee. 


Dr. O'Brien is USDA accredited and received her DVM from Purdue University College of Veterinary Medicine in 2008

About The Spruce

The Spruce, a Dotdash brand, is a new kind of home website offering practical, real-life tips and inspiration to help you create your best home. The Spruce family of brands, including The Spruce, The Spruce Eats, The Spruce Pets, and The Spruce Crafts collectively reach 30 million people each month.

For more than 20 years, Dotdash brands have been helping people find answers, solve problems, and get inspired. We are one of the top-20 largest content publishers on the Internet according to comScore, a leading Internet measurement company, and reach more than 30% of the U.S. population every month. Our brands collectively have won more than 20 industry awards in the last year alone and, most recently, Dotdash was named Publisher of the Year by Digiday, a leading industry publication.