Meet Our Veterinarians
Veterinarian
Drew Sullivan, DVM
Medical Director
Dr. Drew Sullivan graduated from the University of Illinois College of Veterinary Medicine in 2011. He began his career as an associate veterinarian at Northgate Pet Clinic in Decatur, Illinois. In 2012, he completed a special certification in small animal ultrasound. He joined the faculty at University of Illinois, College of Veterinary Medicine in 2013 and was named medical director of Medical District Veterinary Clinic in 2014.
Dr. Sullivan’s Illini spirit runs deep. In addition to completing a double major in animal sciences and chemistry as an undergraduate at Illinois, he was also a cheerleader. During his veterinary studies, he found time to be the assistant varsity cheerleading coach. He says one of his most exciting moments was being right on the court when Illinois beat Arizona on the way to the 2005 Final Four & National Championship Game.
Dr. Sullivan enjoys spending time with his wife, who is also an Illinois College of Veterinary Medicine grad, their two children, and their dog Oskee.
When he’s not working, Dr. Sullivan enjoys working out and doing Crossfit. He loves Illinois athletics and is an avid Chicago sports fan.
Jeanette Barragan, DVM
Dr. Jeanette Barragan graduated from University of Illinois College of Veterinary Medicine in 2020. She began her career amid the COVID-19 pandemic as an associate veterinarian practicing in Naperville.
Dr. Barragan has lived on the southwest side of Chicago her whole life outside of the 9 years she spent in Champaign-Urbana for her undergraduate and veterinary studies. She is excited to have the opportunity to serve the Chicago community and their pets as a member of the University of Illinois.
In her spare time, Dr. Barragan enjoys hiking, traveling, and spending time with her loved ones and her three cats Mia, Finn and Dory.
Angélica Calderón, DVM
Dr. Angélica Calderón has been a proud U of I student ever since attending the University of Illinois at Chicago and obtaining her bachelor’s degree in biological sciences and psychology. She went on to attend the University of Illinois College of Veterinary Medicine Urbana-Champaign to obtain her doctorate in veterinary medicine.
Born and raised in Chicago—and not scared away by the snow (yet)—she is excited to return to practice in Chicago.
In her free time Dr. Calderón enjoys spending time with her family and significant other. She also enjoys cuddling next to her various fur babies (Daisy, Wendy, Simba, Mickey, Nino, Princess, and Bebe).
Alyssa Kritzman, DVM
Dr. Alyssa Kritzman graduated from the University of Illinois College of Veterinary Medicine in 2012, she went on to complete a small animal internship at BluePearl Illinois and then worked in emergency medicine and general practice in the Chicagoland Area.
It’s fitting Dr. Kritzman is working for the University of Illinois, because most of her family are Illini. There is even an engraved boulder in her parents’ backyard to prove it.
In her free time, Dr. Kritzman enjoys exploring the city of Chicago, baking, exercising, and spending her free time with her husband, daughter, and dog Emmie.
Ana Valbuena, DVM
Dr. Ana Valbuena graduated from the University of Illinois College of Veterinary Medicine in 2019 and subsequently moved to Chicago.
Dr. Valbuena was born in Cuba, grew up in Nicaragua, and lived in Miami, Florida before beginning her studies at the U of I so she is no stranger to new environments and change (except maybe the cold weather). She is passionate about the human-animal bond and works to enhance it through preventative medicine and comprehensive medical care, working together with pet parents to achieve the best quality of life and least stress for all involved.
In her spare time, Dr. Valbuena enjoys playing video games and spending time with her soon-to-be-husband, their two cats, Ziggy and Weasley, and her hamster, Armie Hamster.
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Dra. Ana Valbuena se graduó del Colegio de Medicina Veterinaria en la Universidad de Illinois en 2019 y consecutivamente se mudó a Chicago.
La Dra. Valbuena nació en Cuba, creció en Nicaragua y vivió en Miami, Florida, antes de comenzar sus estudios en la U of I, así que no es ajena a los nuevos ambientes y cambios (excepto tal vez el invierno). Le apasiona la relación humano-animal y desea mejorarlo a través de la medicina preventiva y la atención médica integral, trabajando con los padres de mascotas para lograr la mejor calidad de vida y el menor estrés para todos involucrados.
En su tiempo libre, a la Dra. Valbuena le gusta jugar videojuegos y pasar tiempo con su futuro esposo, sus dos gatos, Ziggy y Weasley, y su hámster, Armie Hamster.