Our Staff

  • Dr. Colleen O'Rourke
    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
    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
    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
    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
    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
    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
    Linda Farnam
    Receptionist

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

Location

Office Hours

Our Regular Schedule

Pekin Office

Monday

7:30 am - 5:30 pm

Tuesday

7:30 am - 5:30 pm

Wednesday

7:30 am - 5:30 pm

Thursday

7:30 am - 5:30 pm

Friday

7:30 am - 5:30 pm

Saturday

Closed

Sunday

Closed

Pekin Office

Monday
7:30 am - 5:30 pm
Tuesday
7:30 am - 5:30 pm
Wednesday
7:30 am - 5:30 pm
Thursday
7:30 am - 5:30 pm
Friday
7:30 am - 5:30 pm
Saturday
Closed
Sunday
Closed