Meet Our Staff

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, he enjoys time with his family, exercising, and attending/coaching kids sport programs.  And, of course he loves Illinois athletics. 

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. 

Dr. Angélica Calderón has had the Illinois spirit ever since attending and graduating from the University of Illinois at Chicago in 2018. There, she obtained her bachelor’s degrees in Biological Sciences and Psychology. She went on to attend the University of Illinois College of Veterinary Medicine in Urbana-Champaign and obtained her Doctorate of Veterinary Medicine in May 2022. Since then, she has worked at the Medical District Veterinary Clinic and has enjoyed every step of the way. Her favorite part of her job is being able to teach the clinical veterinary students that rotate through our clinic during their clinical year.

Born and raised in Chicago, Dr. Calderón is very happy serving her community and being in a healthy happy work environment made her first couple of years of out of school and into practice very enjoyable.

In her free time, Dr. Calderón enjoys spending time with her family and her partner as well as her various fur babies. She enjoys local travel and road trips as well as gardening and tending to her million indoor plants. You can catch her at a local baseball game as well as one of the many Chicago street festivals.

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La Dra. Angélica Calderón ha tenido el espíritu de Illinois desde que asistió y se graduó de la Universidad de Illinois en Chicago en 2018. Allí obtuvo su licenciatura en Ciencias Biológicas y Psicología. Luego asistió a la Facultad de Medicina Veterinaria de la Universidad de Illinois en Urbana-Champaign y obtuvo su Doctorado en Medicina Veterinaria en Mayo de 2022. Desde entonces, ha trabajado en la Clínica Veterinaria del Distrito Médico y ha disfrutado cada paso del camino. Su parte favorita de su trabajo es poder enseñar a los estudiantes de veterinaria clínica que rotan por la clínica.

Nacida y criada en Chicago, la Dra. Calderón es muy feliz sirviendo a su comunidad y estar en un ambiente de trabajo saludable y feliz hizo que sus primeros años fuera de la escuela y en la práctica fueran muy agradables.

En su tiempo libre, a la Dra. Calderón le gusta pasar tiempo con su familia y su pareja, así como con sus diversas mascotas. Le gustan los viajes locales, la jardinería, y el cuidado de su millón de plantas de interior. Puedes verla en un partido de béisbol local, así como en uno de los muchos festivales callejeros de Chicago.

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 resides in the north suburbs with her husband, 2 daughters, and their dog Emmie.  Most of her time outside of work is chasing around and playing with her girls, on the rare occasion that she has free time, she likes to bake.

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.