Fairview Heights Animal Clinic & Animal Hospital of O’Fallon

Meet Our Team

At Fairview Heights and O’Fallon animal clinics, we treat every pet as if they were our own. From the front desk to the exam room, we are focused on providing top notch care for pets and their owners. Learn more about the team that makes Fairview Heights and O’Fallon pet clinic the best in St. Clair County.

Brett Ziegler

DVM & Co-Owner

Dr. Brett Ziegler is licensed in Illinois in General Veterinary practice. He received his Veterinary Medicine degree at the University of Missouri in 1992. Dr. Ziegler's undergraduate degree was earned at Central Methodist College in Fayette, Missouri in 1987. Following completion of his Veterinary degree he spent one year in Hamilton, IL working in a general Vet practice. He moved to Fairview Heights in 1997 after four years of practice in Central Florida.

When not at work, Brett enjoys spending time with his family. He enjoys going on trips with family and the occasional hunting trip with friends. Brett likes to invest in the future of veterinary medicine by mentoring future veterinarians and educating veterinary technicians.

Dr. Ziegler values high quality medical care for every patient while providing education and support to his clients. Dr. Ziegler is accepting new patients. Feel free to give us a call!

Craig Thacker

Associate DVM

Dr. Craig Thacker is an Associate Veterinarian at Fairview Heights Animal Clinic as well as the Animal Hospital of O’Fallon. Dr. Thacker attended pre-vet at the University of Nebraska and went on to earn his Doctor of Veterinary Medicine from Iowa State University in 1986. His areas of professional interest include exotic animals and internal medicine.

Dr. Thacker's love of animals and veterinary medicine leads all the way back to Junior High in his hometown of Grand Island, Nebraska. To this day, Dr. Thacker still believes the best part about working in the veterinary field is meeting new clients and getting the opportunity to help their beloved pets any way he can! Through the years, he has been able to clinically train with Grand Island Veterinary Clinic as well as Northern Animal Hospital of Phoenix, Arizona.

Having been settled in Belleville, Illinois since 2014 with his wife and daughter, Dr. Thacker has a variety of interests that keep him occupied outside of the exam room. His family keeps busy with their two Cavalier King Charles Spaniels named Prada and Gucci, as well as their senior cat named Elsa. With any free time he has left at the end of the week, Dr. Thacker enjoys reading, travelling, kite flying, crewing for hot air balloons, and playing the bagpipes! He admits that while exotics, wildlife, and zoology are all areas of interest of his, he has a deep passion for his bagpiping. He has even had the opportunity to play alongside the Illinois Symphony Orchestra.

Chawna

Practice Manager

Chawna joined the team as Practice Manager in June of 2024 after a long career with animals at the zoo and managing a pet resort. She is passionate about animals of all kinds, and she owns a small rescue farm! Chawna is excited to continue her career with both animals and people, serving Fairview Heights and O'Fallon communities.

Cara

Reception

Bio coming soon!

Christine

Reception

Christine is from the Kansas City Metro area and uprooted her life in 2020 to move to Illinois to be with her now husband, Josh. She’s a step mom to 3 amazing kids and loves being an aunt to her 4 nieces/nephews, but Dog Mom is her favorite title. She has served customers in multiple industries for over 20 years, but decided in 2021 that pet care was her true passion and is proud to serve pet parents in the care of their animals.

"Until one has loved an animal, a part of one's soul remains unawakened". - Anatole France

Danyil

Technician

Danyil has worked in the veterinary industry since 2004 and is proud to serve as one of Fairview Heights Animal Clinic and the Animal Hospital of O'Fallon's veterinary technicians. Danyil was born and raised in Missouri, but currently resides in Belleville IL with her two dogs Georgia and Ryder. Danyil enjoys being outdoors and spending time with her family.

Ekatarina "Kat"

Groomer

Ekatarina (Kat) has been part of Fairview Heights Animal Clinic for many years and in grooming the past 3 years. She loves making dogs and cats not only look good, but also feel great after their grooms. Ekatarina lives in Belleville, Illinois with her fiancé, Mitchell their cat Mr. Whiskers and their 2 crazy dogs Tank and Mordekai. She enjoys listening to old country music and doing relaxing coloring pages on her time off.

Jenn

Reception

Jenn started working with Fairview Height Animal clinic in 2022, she loves animals, and enjoys getting to be around them daily! She is a mom of 3 kids, Sky, Kyler and Zoey, has 2 pet kiddos also Bob(kitty), and Jack(doggy) that she raises with her partner Zach! She enjoys outdoors, shopping, and most of all family time.

Keri

Technician

Keri is a graduate of the Vet Tech Institute at Hickey College, and a board-Certified Veterinary Technician. Keri is not only passionate about preventive care for every pet, but she also loves to expand her knowledge in surgery. She has one daughter, Jazlynne, who is 8 years old. They enjoy traveling together and going to St Louis Cardinal games. They have 2 dogs - A 4-year-old Schnauzer named Schatzie, and a 1-year-old Biewer Terrier mix named Roxy

Laura

Receptionist

Laura joined the FHAC/AHOF team in 2008 as a receptionist. Laura always has a smile on her face and tries to make every interaction as positive and welcoming as possible. Growing up, Laura had many different animals in her life. From cats and dogs to horses and cows. While away from work Laura enjoys spending time with her nieces, and her kitties.

Leslie

Boarding Tech

Leslie has been working at Fairview Heights Animal Clinic for 1 year and absolutely loves it. She has three dogs of her own that she spoils endlessly. She helps out where she can in clinic and strives to make people and their pet's lives better with every visit.

Makayla

Boarding/Kennels

Makayla is from East Saint Louis Illinois and has lived there the majority of her life. She loves German shepherds and has one of her own named Tank. Makayla recently graduated from Greenville University in May of 2021 and received a Bachelor of Arts in biology. She is currently in the process of applying to vet schools in hopes of becoming a veterinarian. Makayla started shadowing Dr. Ziegler in August of 2021 and is now working as a kennel assistant. She loves seeing the different animals that come in and caring for them. Some things that Makayla loves to do when she's not working are; shopping, hanging with her friends, and binge watching her favorite shows.

Lindsey

CVT

Lindsey graduated from the Vet Tech Institute at Hickey College and obtained her Certified Veterinary Technician license in 2012. She joined our practice in April 2024. Lindsey is very passionate about pets, is always eager to help them live their best lives and loves to help ensure that they have low stress visits. She and her husband, Matt, have 4 cats of their own. On her down time, she enjoys spending time with her cats, watching her favorite TV shows, and seeing her family.

Megan

Tech

Megan went to school at Midwest institute for veterinary technician in 2007. She has been with FHAC since March of 2023 and absolutely adores all the clients and their pets. She has a beautiful 2 year old daughter named Edyn as well as 2 fur babies Ember(dog) and Skrimp(cat).

Melanie

Tech

Melanie is a 2012 graduate of Brown Mackie College. She has spent the last 11 years working for a local clinic. She joined the team in April of 2024 and is excited to meet all of our wonderful patients and owners. Melanie is a lifelong resident of Belleville where she resides with her 3 cats;Tara,Martin Brodeur, and Binner and two dogs; Jayde and Mateo. When not at work Melanie is often at home snuggled with her own pets, reading, crocheting, or spending time outdoors. Melanie is also an avid St. Louis blues fan and tries to catch as many games each season as possible.

Myrinda

Tech

Myrinda graduated from Pima Institute in 2012 as a Veterinary Technician. Myrinda not only is passionate about all animals, but she loves veterinary dentistry! Myrinda was raised in Texas, but currently resides in Belleville, IL with her fiance and their 4 dogs and 2 cats. When she is not working, she enjoys spending time with family, friends, and her fur babies! Myrinda enjoys travel, movies, and the outdoors.

Jessica

Technician

Jessica has been working in the animal industry for 5 years and proud to be working as our Veterinary Assistant at both locations. She's a loving dog mom and enjoys watching movies with her 3 dogs. She has always been passionate about animals and is always excited to help a furry friend.

Rachael

Tech

Rachael joined our team as a receptionist in 2023 and is now enjoying getting to train with the technicians as well. She really enjoys getting to interact with the clients and their pets. She has two dogs (Riley, Molly) and a cat Zoey. When she isn't working, Rachael enjoys spending time with her 12 year old daughter and her husband.

Cheyenne

Scribe

Cheyenne is new to the veterinarian field. She has spent most of her career working in Health Information Management, primarily as a medical coder, after obtaining her Associates Degree in Health Information Management from St. Louis Community College Forest Park in 2014.

She lives in Bethalto with her husband, Bryan, and 2 furry kids- a black lab, Moo, and a boxer/pit mix named Rocket.

In her spare time she enjoys spending time with friends and family- she will never turn down a karaoke night! She also enjoys traveling, baking, and watching horror movies.

Hours of Operation

Phone: 618-398-1530

  • Monday: 8:00 AM - 6:00 PM
  • Tuesday: 8:00 AM - 6:00 PM
  • Wednesday: 8:00 AM - 7:00 PM
  • Thursday: 8:00 AM - 6:00 PM
  • Friday: 8:00 AM - 7:00 PM
  • Saturday: 8:00 AM - 5:00 PM
  • Sunday: Closed
Fairview Heights, IL location icon

Fairview Heights, IL


10208 Lincoln Trail

Fairview Heights, IL 62208

618-398-1530

O'Fallon, IL location icon

O'Fallon, IL


306 E. Highway 50

O'Fallon, IL 62269

618-632-6303

Hours of Operation

Phone: 618-632-6303

  • Monday: 8:30 AM - 7:00 PM
  • Tuesday: 8:30 AM - 6:00 PM
  • Wednesday: 8:30 AM - 6:00 PM
  • Thursday: 8:30 AM - 7:00 PM
  • Friday: 8:30 AM - 6:00 PM
  • Saturday: 9:00 AM - 5:00 PM
  • Sunday: Closed