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.
    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.

  • 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.

Contact Us

We look forward to hearing from you

Location

Find us on the map

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