Meet Our Team

Pet Wellness Center is made up of dedicated, passionate veterinary professionals whose number one priority is the health and well being of your pet. We have an exceptional group of certified technicians, veterinary assistants, and doctors on staff that provide a wealth of knowledge, skill, and years of experience. Armed with the latest diagnostic tools, we are confident a firm diagnosis and thorough treatment plan will be just what your pet needs to lead a happy, healthy life with you for years to come.

  • Dr.
    J. Craig Smith

    Dr. J. Craig Smith is the Practice Owner and Senior Veterinarian at Pet Wellness Center, PC. Dr. Smith graduated from the University of Arkansas with a Bachelor's Degree in Animal Science. He received his Doctorate of Veterinary Medicine from Louisiana State University.

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  • Dr.
    Melanie Rossin-Gray
    Associate Veterinarian

    Dr Melanie Rossin-Gray is an Associate Veterinarian with Pet Wellness Center. She joined the practice in 2014, after practicing in Carbondale, IL. She attended McKendree College and Souther Illinois University at Edwardsville for her undergraduate and graduate training, and received her Doctorate of Veterinary Medicine from the University of Illinois in 2011.

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  • Dr.
    Kristine Kozak
    Associate Veterinarian

    Dr. Kristine Kozak is originally from Homer Glen, IL, a southwest suburb of Chicago. She received her Doctorate of Veterinary Medicine from the University of Illinois in May of 2018.  She enjoys working with all animals: dogs, cats, cattle, goats, horses, sheep, and pigs. Especially when she gets to visit them on farm calls. When not working, Dr. Kozak relaxes by gardening and going to the movies with her husband, Peter.  She also likes to take long walks with her rough-coated collies named Dex and Sunshine. 

  • Angela Frerking
    Head Veterinary Nurse

    Angie had joined Pet Wellness Center in April 2011 as a kennel technician and over the years has moved up to the Lead Vet Nurse.  She has a passion to provide care for pets and knowledge to owners for a lifetime of health.
    If you ever see her at the clinic, she usually always has a smile on her face!

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  • Sharon Kobler
    Vet Nurse/Pharmacy Assistant

    Sharon joined Pet Wellness Center in 2015 as a Veterinarian Assistant. She attended Southern Illinois University and received a Bachelor's of Arts in Psychology. She married Cory in 2009 and they have 2 daughters, Cayla and Cadence.

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  • Angela White
    Inventory Manager/Pharmacy

    Angela joined the Pet Wellness Center team in August of 2016 bringing over three years of veterinary office experience with her.  Her passion for animals and providing exceptional customer service led her to the veterinary field.  Angela resides in Ava, Illinois and enjoys spending time with her two children, Blake & Cassie and their beautiful yorkie, Sophie.

  • Jennifer Russell

    Jennifer joined the Pet Wellness Center team in November of 2016 bringing over three years of veterinary office experience and over twenty years of business management experience with her.  She has a flair for marketing and design and loves spending time with her husband, Shane and their son, Riley.

  • Tina Maciell
    Lead Hospital Nurse

    Graduated from Veterinary Technician School in Tucson, Arizona June of 2005.  I primarily have worked in emergency medicine since then; which is a special interest of mine.  I relocated from the west coast to be near a part of my family that I hold dear.

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  • Joanna Smith
    Veterinary Assistant

    Joanna Smith joined the Pet Wellness team in March of 2020. She is currently enrolled in the online Veterinary Technician program through Purdue University. While working towards her degree she is being trained as a Veterinary Assistant.

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  • Jacob Elias
    Lab/Advertising Manager

    Jacob has worked at multiple clinics throughout his life before coming to us. He has went to John A Logan to get his associates degree in science and SIU to get his Bachelors degree in Science.

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  • Taylor Stoner
    PWC Client Advocate

    Taylor is from Omaha, NE and moved to Southern Illinois in November 2020. She has been a Client Advocate with PWC since April 2021 and has over ten years of customer service experience from working in retail pharmacies and workers compensation insurance.

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  • Sarah Doris
    Lodging Nurse

    My name is Sarah Doris and I am a Lodge Technician at Great Paws Lodge. I graduated from SIUC in 2021 with a Bachelor's degree in Zoology and a minor in Psychology and STEM Leadership. I have always loved working with animals and I hope to one day open my own animal rescue with my sister.

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  • Dawn Merritt
    Client Advocate/Standard Process Representative

    Dawn is from Harrisburg IL, She has been a Client Advocate with PWC since March 2020 and has over 7 years of customer service experience from working in the health and wellness field.

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  • Whitney Walker
    Lead Surgery Nurse

    Hello my name is Whitney Walker and I am from Harrisburg, IL. I have worked here at Greater Vision Veterinarian Care for five years. I have been positioned as the lead Veterinarian Surgery Nurse on our team.

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Contact Us

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Office Hours

Our Regular Schedule


7:30 am-6:00 pm


7:30 am-6:00 pm


7:30 am-6:00 pm


7:30 am-6:00 pm


7:30 am-5:00 pm


8:00 am-12:00 pm