Meet Our Team

We’re proud to provide Old Town and surrounding communities with compassionate, state-of-the-art care that meets the needs of every single one of our pet patients. Our veterinarians and support staff are wholly dedicated to keeping your pet healthy and happy for life. Check out their bios below to learn more about our team, or visit us to meet them in person!

Tony Kremer

DVM Partner

dr. tony kremer

Dr. Tony Kremer owns nine veterinary hospitals in the Chicagoland area and two in Ohio. He is the founder of Help Save Pets, an animal shelter which has saved more than 14,000 pets since 2000. Dr. Tony’s knowledge, insight, and advice are shared regularly with major media outlets across the nation and in the third largest market. Dr. Tony is also a member of the Chicago Veterinary Medical Association Public Education Committee that routinely gets the word out about responsible pet ownership.

Dr. Tony graduated from the University of Illinois College of Veterinary Medicine in 1990 and later conducted post-graduate course work at The Ohio State University in orthopedic surgery. This special interest in Orthopedic Surgery has led to performing advanced knee and hip procedures as well as complicated fracture repair in all of his practices. In his spare time, Dr. Tony loves to motorcycle, scuba dive, and play guitar.

Dr. Alexandra Matos

dr. alexandra matos

Meet Dr. Alexandra Matos! Dr. Matos is from Miami, Florida and she is one of ten adopted children! Her love for animals started at a very young age, with habits of saving every stray she could find and nurse back to health. Being the first ever to go to college in her family, she worked very hard to achieve her dreams of becoming a Veterinarian. Her passion for animals brought Dr. Matos to the island of St. Kitts where she obtained her DVM from Ross University School of Veterinary Medicine during which time she attended University of Florida for her clinical year. She has a strong passion for rescue/low income animal care and has a special interest in veterinary surgery and emergency medicine. Dr. Matos loves playing with her 3 cats: Mishu, Mininu, Mooshoo and dog: Kitty. In her free time she enjoys DIY projects and traveling. A few places she has visited include: Thailand, Rome, Italy, Paris, Spain, China, Jamaica and Mexico.

Dr. Tracy Williams

dr. tracy williams

Dr. Williams started her academic journey in history, receiving a Bachelor of Arts in the subject! Yet, she soon decided that she wanted to be a veterinarian. She went back to school for math and science so she could meet the requirements to apply for veterinary school. After graduating from the University of Missouri with her DVM in 2002, she had completed a total of 10 years in school! As a member of our team, the most rewarding part of the job is surgery, which she enjoys performing as well as the challenges it brings.

At home, Dr. Williams has two children, Emma and Henry, as well as three pets including: her rescued dog, Marlen; a cat named Muffin; and her son’s bearded dragon, Grendel. In her spare time, she loves traveling with her family and friends, and especially enjoys her annual “girls’ trip” which is a 25+ year tradition!

Dr. Sara Kessel

Dr. Sara Kessel has been with Oswego Animal Hospital since graduating from the University of Illinois in Champaign-Urbana. She has a special interest in learning new surgeries and helping to maintain the human-animal bond by educating clients about preventative medicine.

Outside of veterinary medicine, Sara enjoys exploring Chicago after being a native to small town, Ohio, Illinois. She enjoys spending days at the beach, trying new local cuisine, and traveling to visit family. On more relaxing days, she spends time watching movies at home with her cat, Happy Feet.

Dr. Keith True

Dr. Keith True is a graduate of the University of Illinois College of Veterinary Medicine and is the managing veterinarian at the Animal Care Center of Downers Grove. He has also practiced at the Animal Care Center of Plainfield and Shorewood Animal Care Center within the Kremer Veterinary Services group. Dr. True has a strong interest in canine sports medicine, preventative care, and soft tissue and orthopedic surgery. Building lasting relationships with people and their pets is something he strives for.

Outside of work, Dr. True and his wife, Lauren, have a son and daughter who keep them on their toes. The True family has one dog named Doug, who is a Vizsla mix and Dr. True’s long time running partner. In his free time, Dr. True enjoys running marathons, playing volleyball and tennis, sneaking in a quick round of golf, and doing various building projects around the house.

Dr. Kirsten Plomin

Dr. Plomin was born in Chicago and grew up in Oak Park, IL. She is an alumna of the University of Illinois, where she received both her bachelor’s degree in Animal Science and her doctorate in Veterinary Medicine.

In 2015, Dr. Plomin became a Certified Canine Rehabilitation Practitioner (CCRP) from the University of Tennessee, allowing her to hone her skills in physical therapy and integrative medicine. She is also PennHip certified, AO certified, USDA-APHIS accredited, is a board member of the CVMA and an active member of the ISVMA and AVMA.

Dr. Plomin’s other professional interests include surgery, dermatology and working with exotic species. In her spare time, she enjoys staying active by running, SCUBA diving and practicing yoga.