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Our Staff

  • Dr.
    Colleen O'Rourke
    Owner & DVM

    I joined Lange Animal Clinic in the fall of 2000.  I enjoy helping pet owners in the Pekin community provide healthier lives for their pets.  I hope that I can make a difference in the lives of my clients as well as my patients.


  • Dr.
    Kourtney Grimm
    DVM

    I joined Lange Animal Clinic in 2013 after graduating from the U of I in 2012.  I have a specific interest in exotic animal medicine but love treating all animals.

  • Dr.
    Gail Mercier
    D.V.M.

    I have been an associate veterinarian at Lange Animal Clinic since 2001.  I enjoy spending time with both the pets and their people, many who have been life-long clients.

  • Rita Mahr
    Office Manager

    I have worked at Lange Animal Clinic for 45 years.  I started as a receptionist in 1972 and became the office manager in 1992.  I love people and pets and cherish all the clients and their pets that I have met over the years.  I look forward to coming in each day and working with our wonderfully talented doctors and staff.

  • Susan Hartmann
    Certified Veterinary Technician

    I have been with Lange Animal Clinic since 1993.  I never tire of seeing and caring for the variety of pets that come through our door.  I am especially fond of our feline patients.

  • Kelly Wilda
    Team Leader & Sr. Veterinary Assistant

    I have been with Lange Animal Clinic since August 2014.  I have loved all animals, both aquatic and terrestrial, all my life.  I enjoy and love the veterinary field.

  • Jill King
    Sr. Veterinary Assistant

    I started working at Lange Animal Clinic in February of 2000.  Some of my best memories are with animals.  I enjoy spending time with my family and grand-pups.  

  • Whitney Farrell
    Veterinary Assistant

    I joined Lange Animal Clinic in May 2013.  I love that I get to work with animals everyday and help clients take great care of their pets.

  • Renae Gregory
    Veterinary Assistant

    I started working at Lange Animal Clinic in May 2015 after graduating from Kirkwood Community College Veterinary Assistant program.  I enjoy working with all the clients and animals.

  • Linda Farnam
    Receptionist

    I started working at Lange Animal Clinic in June of 2007.  I enjoy meeting and greeting clients and their pets.

  • Misty Nolan
    Receptionist

    I started working for Lange Animal Clinic in 2015.  I enjoy my coworkers and I love seeing all the animals.

Contact Us

We look forward to hearing from you

Location

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Office Hours

Our Regular Schedule

Pekin Office

Monday:

8:00 am-12:00 pm

1:00 pm-5:00 pm

Tuesday:

8:00 am-12:00 pm

1:00 pm-5:00 pm

Wednesday:

8:00 am-12:00 pm

1:00 pm-5:00 pm

Thursday:

8:00 am-12:00 pm

1:00 pm-5:00 pm

Friday:

8:00 am-12:00 pm

1:00 pm-5:00 pm

Saturday:

8:00 am-12:00 pm

Sunday:

Closed