On Monday, December 13th we will be closing at 12:00 pm for staff training.

Due to the governor's mandate, masks are required for all visitors and staff. No exceptions. We are still operating via curbside services. | Learn More

Call us: 708-383-3606 | Get Directions | After Hour Emergencies: 773-281-7110

Rich A. Carlson


Dr. Rich Carlson thoroughly enjoys working as a veterinarian. Becoming a veterinarian was his dream as a young boy, and he feels so fortunate to have spent the last 30+ years helping people and their pets. After graduating from the University of Illinois, he founded Carlson Animal Hospital in Oak Park in 1980 in a 900-square-foot dry cleaner space.
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Traci Lazar


Dr. Traci Lazar (Leslie) received her bachelor’s degree in animal sciences, as well as her Doctor of Veterinary Medicine training, at the University of Illinois in Urbana-Champaign. She has volunteered and worked at a number of local animal shelters, emergency centers, and through the university as a technician, kennel assistant, emergency radiology technician and a surgery technician.
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Cheryl Toncray


Dr. Cheryl Toncray moved to Chicago in 1992 as a young veterinarian and began working full time at Carlson Animal Hospital. She received her veterinary degree in 1990 with honors from Michigan State University. She was specifically attracted to the high level of compassionate care and progressive state-of-the-art medicine practiced by Dr. Carlson and his staff.
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Emily Rehm


Dr. Emily Rehm joined Carlson Animal Hospital in 2019 after graduating from the University of Illinois College of Veterinary Medicine. After spending 8 years in Champaign to complete her bachelor and veterinary degrees, she is excited to be back near Chicago. Dr. Rehm grew up in Skokie, IL and fell in love with veterinary medicine while volunteering for a local animal shelter.
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Jennise Fermoso


Carlson Animal Hospital is pleased to announce the addition of Dr. Jennise Fermoso to our team of associates. Dr. Fermoso graduated from the University of Illinois Champaign-Urbana School of Veterinary Medicine in 2020. She is an Oak Park native and is thrilled to be working in the community in which she grew up.
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Contact Us

Carlson Animal Hospital


414 Lake St. Oak Park, IL 60302

Clinic Hours

Monday-Tuesday: 8 AM-12 PM, 1-6 PM Wednesday: 8 AM-12 PM, 1 PM-4:30 PM, 6-8 PM Thursday-Friday: 8 AM-12 PM, 1-5 PM Saturday: 8 AM-1 PM Sunday: Closed Holiday Hours: Thanksgiving Day (Thursday, November 25, 2021): CLOSED
Christmas Eve (Friday, December 24, 2021): Open 8:00 am to 1:00 pm
Christmas Day (Saturday, December 25, 2021): CLOSED
New Year’s Eve (Friday, December 31, 2021): Open 8:00 am to 12:00 pm, 1:00 pm to 4:00 pm
New Year’s Day (Saturday, January 1, 2022): CLOSED Please give our office a call with any questions about our hours. Thank you.