Veterinarians


Maria Di Gregorio, DVM

Dr. Maria Di Gregorio is a native of Upstate New York, where ( contrary to popular belief) every pick up truck has a cowboy in the cab and an Aussie in the bed. A graduate of Cornell University’s Animal Science program and Oklahoma State University’s Veterinary School Dr. Maria obtained a Master of Arts in Teaching, also from Cornell University. After purchasing Cleveland Veterinary Clinic in Cleveland, OK in  1995, she bought Baker Animal Clinic from Dr. James Baker in Stillwater, OK in 1999.  Dr. Di Gregorio continues to own and operate both clinics. She is married to Dr. Joseph McCann PhD., an endocrinology consultant and professor at the OSU veterinary school.  Dr. Di Gregorio believes in preventive care for her patients and keeping the owners involved and proactive in their pet’s health. She and Joseph have one married daughter who has blessed them with a rambunctious grandson and a second daughter pursuing her education in veterinary medicine


Lena Swanson, DVM

Dr Swanson hails from a small rural town in central Nebraska. She found OSU very attractive when searching for colleges and decided to attend, completing her BS in Animal Science. She then went onto attend and complete her veterinary medicine degree at the accredited Ross University in St. Kitts, completing her clinical year at OSU Veterinary College.

During her studies of Western medicine she found an interest in holistic medicine and enjoys adding this approach to daily cases. Her interests include acupuncture, chiropractic and laser therapy.

In her free time she communes with her 2 dogs, Moth and Red, and rides her horses through her cattle herd.

Dr Swanson can’t wait to meet your furry family members and help them feel their best.


Lauren Jackson, DVM

Dr. Lauren Jackson is a native of Mandeville, Louisiana – just north of New Orleans. She graduated from Louisiana State University School of Veterinary Medicine in 2013 and has been practicing small animal medicine since graduating. Dr. Jackson has been with Baker Animal Clinic since 2022, after moving to Oklahoma. She resides in Stillwater with her husband, Joel, two children, and two dogs – Lilly, a 13 year old Bichon Frise, and Hank, a 9 year old Jack Russel. Dr. Jackson enjoys getting to know her patients and their families. In her free time, she enjoys gardening, traveling, and spending time with her family and friends.


Zowie Victory

Zowie is from the small town of Cleveland, OK and has spent most of her free time outdoors. She has always loved animals and has had just about any animal a girl could want for a pet, including dogs, cats, cows, pigs, horses and even a squirrel.

She enjoys back roading and exploring new places, as well as seeing new things. Zowie feels most alive when she’ s lost on a back road with just her dog and music.