Dr. Aaron Caplan

What is your educational and work background? I received my undergraduate degree in animal sciences at the University of Maryland, College Park. I then went on to receive my DVM from the Virginia Maryland College of Veterinary Medicine. Throughout my education, I worked as a veterinary assistant, technician, and receptionist. What made you decide to…

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Dr. Douglas Hammer

Dr. Hammer graduated from the University of Minnesota in 1967. Since graduation, he has served as an employee, partner and Chief of Staff at Norwood Park Animal Hospital. In May 2016, he sold Norwood Park Animal Hospital to his associate Dr. Kathy Anderson, and remains on staff as our part-time surgeon and associate veterinarian in…

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Dr. Claire McCallick

Dr. McCallick grew up in Northeastern Pennsylvania and obtained her Bachelor of Science from Delaware Valley University. She then continued her education at N.C. State College of Veterinary Medicine. She is excited to join the Companion Animal Hospital family and work together with pet parents to provide the best care for her patients! What made…

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Dr. Pawel Tymoszuk

My name is Pawel Tymoszuk. I was born in Warszawa, Poland. After moving to the US I have been serving the local community as a technician for seven years. Hard work and dedication resulted in obtaining my professional veterinary license in 2017. I am looking forward to helping you and your pets as a veterinarian…

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Dr. Tomasz Krystek

What is your educational and veterinary medicine background? I studied veterinary medicine at the Warsaw University of Life Sciences and graduated in 2010. I then obtained my license to practice veterinary medicine in the state of Illinois in 2015. Why did you decide to become a veterinarian? I have always enjoyed learning about life sciences…

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Dr. Alexandra Scott

Dr. Scott grew up in the suburbs of New York City and received her Bachelor of Science from Cornell University. She then went on to veterinary school at Purdue University. She’s excited to remain in the Midwest and join Companion! Why did you decide to become a veterinarian? I spent my first summer of college…

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Dr. Katherine Wawronowicz-Anderson

Dr. Anderson obtained her DVM from St. George’s University in 2005. She has been working as a general practitioner at Norwood Park Animal Hospital since graduation. In 2016, Dr. Anderson purchased the hospital from Dr. Hammer and changed the name of the practice to Companion Animal Hospital of Norridge. Dr. Anderson has a special interest…

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What's Next

  • 1

    Call us or schedule an
    appointment online.

  • 2

    Meet with a doctor for an
    initial exam.

  • 3

    Put a plan together for
    your pet.

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