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Dog leg receiving a shot by two vets

Companion Animal Medical Centre

Our Veterinary Staff

The team at Companion Animal Medical Center is dedicated to providing the best care for dogs and cats in Greater Cincinnati and Northern KY.  Meet us before we get to know you and your pet!  Please contact us if you have any questions.

Dr. Gwendolyn with black lab

Dr. Gwendolyn Steffen, DVM

Raised in rural Campbell County, Dr. Gwendolyn Steffen received her B.S. from Northern Kentucky University before studying abroad to receive her D.V.M. from Ross University School of Veterinary Medicine on the island of St. Christopher and Nevis. Dr. Steffen has never known life without an ever-present menagerie of animals to enrich her experiences.

From within her own tri-state, to Oklahoma, St. Kitts, Newfoundland, Greece, and Asia, Dr. Steffen has interacted globally with people who love animals so she may better understand the depths of the relationships and the cultural values held in areas way beyond the scope of her textbook and clinical training. As the sole owner of Companion Animal Medical Centre, Dr. Steffen now incorporates several holistic modalities that envelop the more traditional methods of practicing veterinary medicine.

Giving Back

Dr. Steffen also gives of her time and energy to move beyond the walls of her veterinary practice. She has provided relief work to veterinary clinics/hospitals in various locations, along with donating her time and skills to help animal shelters and other organizations in the tri-state area with spays and neuters. She has established and facilitates a lucrative fund-raising event, The Blu Cat Benefit, annually since 2009 to benefit local no-kill, non-profit animal rescues.

Dr. Steffen is also a partner with Luv Fur MuttsClermont to the Rescue, and Sacred Hearts Animal Sanctuary which are all a 501c3 non-profit no-kill animal rescues in the tri-state.

Holistic Modalities

Dr. Steffen is a level II Reiki therapist and is the only veterinarian in the United States certified in Chiro + Kinesiology. She is trained in dōTERRA and Young Living essential oils, Standard Process, Thorne Research, and Vet Classics along with other nutraceutical product lines. She also has over 100 hours of continuing education in cannabinoid therapy and nutritional diets for companion animals suffering from cancer.

Past and Continuing Experience

Dr. Steffen was the Recording Secretary on The Cincinnati Veterinary Medical Association’s Board of Directors for three years and a member of Business Network International for one year.

Dr. Steffen was appointed to the WAVE Foundation Board of Directors in the fall of 2013 and recently resigned from the organization after holding the following positions: Executive Secretary (2 years), Trustee (2 years), Chair for the Resource and Development Committee (3 years), Co-Chair on the Nauti Nite Committee (2 years), Committee Member (3 years), and on the David Fulcher’s Putt For Penguins Committee (3 years).


Other associations that Dr. Steffen belongs to include The American Veterinary Medical Association, The American Holistic Veterinary Medical Association, The American Association of Feline Practitioners, and The Cincinnati and Northern Kentucky Veterinary Medical Associations.

Aaron Losey in plaid shirt standing next to a fence

Aaron Losey, Veterinary Practice Manager

Aaron is a native of Newport, Kentucky. Having spent many years in human medicine, he has decided to spread his education in veterinarian medicine under the direction of Dr. G. Steffen DVM.

Aaron not only obtained a medical/legal secretarial certification from D. Russel Lee Career technology, but he also studied dance at Wright State University in Dayton, Ohio. Although he traveled many years performing, he decided to make medicine his main focus. Aaron has a 14-year young corgi/collie mix name Sarina, who often goes by fat mama! She has a gentle soul and loving spirit that will make anyone fall in love with her.

Ashley Kelleher Veterinary Receptionist

Ashley Kelleher, Veterinary Technician

Ashley was raised in Loveland, OH and has wanted to work with animals for as long as she can remember.  She is going to school for business and to become a vet tech.

Her pets currently include dogs, cats, rabbits, guinea pigs, and hamsters!

Along with her pets, Ashley has a beautiful daughter who loves animals just as much as she does. She is excited to start her career of animal care with the team at Companion Animal Medical Centre.

Hannah Stone in pink dress holding a flower frame around her face

Hannah Stone, Veterinary Registered Technician (Relief)

Hannah Stone is a Registered Veterinary Technician who studied at the University of Cincinnati – Blue Ash. She is also a graduate of Anderson high school and the Live Oaks Animal Science and Management program. She graduated from Anderson as a member of NHS (National Honor Society) and Live Oaks as a member of NTHS (National Technical Honor Society.) She has a strong passion for animal care.

At Live Oaks, Hannah was also a member of the FFA (Future Farmers of America) during her junior and senior year. She graduated from Live Oaks with a Certificate of Career-Technical Preparation and a Certificate of Achievement in her program. With the Animal Science and Management program, Hannah has been certified in Pet First Aid, Adult and Child CPR, AED Standard First Aid, and she has completed OSHA’s 10-hour Occupational Safety and Health Training Course in General Industry Safety and Health.

Hannah worked at Shar-Jo’s Pet Styling and later at Derbyshire Stables as a stable hand. She has volunteered at a Low-Cost Rabies Vaccination Clinic where she met Dr. Steffen, whom she shadowed.

Michelle Wood holding a white gerbil

Michelle Wood, Veterinary Aide

Michelle loves all types of animals, and we greatly appreciate her around the office on the weekends.

A photo of Sarah Dryer, she is a young woman with blonde hair wearing a black top.

Sarah Dryer, Veterinary Receptionist

Sarah is a native of Cherry Hill, NJ and moved to the Cincinnati area a little over a year ago. Sarahs background is in technical theatre and office administration, which she received her BA in from Marymount Manhattan College. She has always had a love for animals. Especially her 13-year-old pittie Rubie. Sarah has found her love in helping animals, but also using her administrative tools in the veterinarian field. When not at work you can find Sarah spending time with her family and friends, hiking, crafting and traveling.  

Trent Palmer

Trent Palmer, Veterinary Aide

Trent Graduated from Great Oaks veterinarian assistance course and Blanchester high school in 2020 with a 4.0 GPA!  He was also in the national technical honors society, on the dean’s list, and was involved in FFA.

Trent loves spending time with and taking care of animals. He is a natural when it comes to animals and is very passionate when it comes to taking care of them. He spends a lot of time with our two dogs, Daisy(10) and Damon(3).
Trent would like to attend UC Blue Ash and take the Veterinarian Technician course. And possibly further his career down the road to become a veterinarian.

Trent is a laid back person, in his free time he likes to play video games and read. He’s got a good sense of humor and is quick to laugh.

Vincent Clark in a green shirt and with a furry kitten on his shoulder

Vincent Clark, Veterinary Office Manager

Vince is a native Cincinnatian and has always had a love for animals, and that is shown through his 7 pets. Vince has 2 dogs, 4 cats, and a freshwater aquarium. He attended Northern Kentucky University and Cincinnati State but always struggled to find his true calling until he came to work for Dr. Gwendolyn Steffen DVM in February of 2015.

Vince has worked his way up from a Receptionist to a Veterinary Assistant and loves working with companion animals. He hopes to continue to better himself in the veterinary field.

Companion Animal Medical Centre Affiliations

Dr. Steffen is an active member in the following veterinary associations:

American Veterinary Medical Association Logo
American Society of Feline Practitioners Logo
American Heartworm Society Logo
American Holistic Veterinary Medical Association Logo

Caring For Cats & Dogs in Greater Cincy!

Opening Hours

Mo: 7:30 AM - 7:00 PM
Tu: 7:30 AM - 7:00 PM
We: 7:30 AM - 7:00 PM
Th: 7:30 AM - 2:00 PM
Fr: 7:30 AM - 2:00 PM
Sa: Closed
Su: Closed

LGBT Friendly
Companion Animal Medical Centre

Your Local Veterinarian In Cincinnati, OH

922 OH-28, Unit C
Milford, OH 45150

Call Us:

(513) 999-2262

American Veterinary Medical Association Logo
American Society of Feline Practitioners Logo
American Heartworm Society Logo
American Holistic Veterinary Medical Association Logo