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636-639-9999

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Rebecca Arbesman, DVM

Dr. Rebecca Arbesman is a 2002 Graduate from the University Of Missouri College Of Veterinary Medicine. She has been with Carter Pet Hospital since 2007. She previously worked at North Main Animal Hospital in O’Fallon. She loves internal medicine, but her passion is surgery.

She is married to Gordon Arbesman and has 2 beautiful daughters, Ashley and Jessica. The Arbesman family has 3 Cavalier King Charles Spaniels, 5 cats (including 3 Birmans), an aquarium full of fish, and Angel the guinea pig! Dr. A stays busy with church and school activities with her daughters. On quiet days she enjoys cuddling with her pets and watching movies with the family.


Sarah Bonstead, DVM

Dr. Sarah Bonstead is a graduate of the University Of Missouri Columbia. She received her B.S. in Animal Science in 1994 and her Doctor of Veterinary Medicine in 1998. She loves dermatology cases and has a gift for compassionate hospice care.

She lives in the City of Saint Charles. Her four legged family consists of “Kevin” and "Eddie", two rescued Jack Russell Terrorists, “Libby” a domestic shorthair cat, and “Vee” a Birman cat. Her hobbies include adventurous travel, salt water reef tanks, and photography. Next time you see her ask where she has been lately.


Karen Hart, DVM

Dr. Karen Hart is a 1996 graduate of the University Of Missouri College Of Veterinary Medicine. She has been working at Carter Pet Hospital since 2008. Her background in emergency medicine led to an appreciation for a good challenge.

She lives in Sunset Hills, Missouri, with her husband of 11 years, Dave, who is also a veterinarian. They have a son, Jackson, and a daughter, Parker. Their four legged children include a terrier mix, Tippy Sue, a staffordshire terrier, Eddie, and 2 cats, Coffee and Squirrel. When Dr. Hart is not working she enjoys cooking, yoga, and spending time with her family.


Christine Nagel, DVM, MPH

Dr. Christine Nagel is a 2011 graduate of the University of Missouri College of Veterinary Medicine. She has been working at Carter Pet Hospital since 2014. She loves cases involving ophthalmology.

She lives in Chesterfield, Missouri with her furry family - a dog, Isis, and two cats, Anouk and Napoleon. Her hobbies include music production, participating in triathlons (she is currently training for the Ironman), and spending time with friends and family.  


Hannah Karll, DVM

Dr. Hannah Karll is a 2015 graduate of Kansas State University College of Veterinary Medicine. She has been in the veterinary field since 2005. Her passions are behavioral health and geriatric care. 

She grew up in Lincoln County and now lives in O'Fallon, Missouri with two dogs, Lily Belle and Roxy, and three senior cats, Gracie, Smoky and Annie. She also has a bearded dragon and three kissing fish. She is very community-minded and enjoys volunteering for feral cat spay-and-neuter clinics and fundraising for the Special Olympics. 

Office Hours

DayMorningAfternoon
Monday8:00am6:00pm
Tuesday8:00am6:00pm
Wednesday8:00am6:00pm
Thursday8:00am7:00pm
Friday8:00am5:00pm
Saturday9:00am2:00pm
SundayClosedClosed
Day Morning Afternoon
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
8:00am 8:00am 8:00am 8:00am 8:00am 9:00am Closed
6:00pm 6:00pm 6:00pm 7:00pm 5:00pm 2:00pm Closed