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Say Hello to Our Veterinarians and Staff in Norridge

Our veterinarians and staff have built their lives around helping animals and giving people more time to cherish with their beloved pets. With their diverse backgrounds and unique skill sets, our team members are well-equipped to understand your pet's needs and ensure they're being met at the highest level. We're excited to get to know you and your companions and spend many more years working together to keep them healthy!

Veterinarians

veterinarians

Dr. Katherine Wawronowicz-Anderson, DVM, C.V.A. | Medical Director

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 in Chinese medicine and obtained her acupuncture certification from the Chi Institute in 2009. She is passionate about providing high-quality medicine to her patients and being able to treat them using a combination of Eastern and Western medicine. On her days off, Dr. Anderson keeps busy with her husband Marty and their two children.

What made you decide to become a veterinarian?

I knew I wanted to be a veterinarian from the time I was very young.

What is your most memorable moment as a vet?

Helping a paralyzed dog walk again using acupuncture.

Why did you decide to join the Companion Animal Hospital team?

I worked at Norwood Park Animal Hospital for 10 years, and became a partner when it was purchased by Companion Animal Hospital.

What is the best thing about being a vet?

It's very rewarding to help sick animals. I also really enjoy getting to know my clients and seeing their children grow up.

What is the most common problem you’ve encountered in pets you treat?

Allergies.

What was the most rewarding case you have had as a veterinarian?

Titan, a Doberman Pinscher, was probably my most rewarding case. He came in unable to walk and had terrible ulcerations on his legs due to diabetes mellitus. Integrating both Eastern and Western medicine, I was able to get his diabetes under control, then his sores healed and he was able to walk again. He has since passed away but he will always have a special place in my heart.

Do you have any special interests in veterinary medicine?

Chinese medicine including acupuncture and herbal medicine.

What is the most unusual pet you have helped treat?

I volunteered at the Wildlife Clinic in vet school and helped treat raptors, like Great Horned Owls.

What are some of your favorite activities outside of work?

Hiking, camping, yoga or just laying on a beach.

Favorite place to eat?

The Gage

Favorite place to visit?

Italy, Switzerland, any warm place with a beach.

Favorite movie?

Best in Show

Favorite food?

Sushi

What is your favorite sports team?

Chicago Bears

Name 3 things people might be surprised to learn about you.

  1. I hiked the Inca Trail to Macchu Picchu
  2. I backpacked through Europe with my best friend for 8 weeks after college
  3. I love music and going to concerts
veterinarians

Dr. Tomasz Krystek, DVM

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 and have had compassion for animals; therefore the veterinary field was the best fit for me.

What are your special interests in veterinary medicine?

Internal medicine and diagnostic imaging.

What is the most unusual pet you have helped treat?

A donkey.

What is your biggest pet peeve?

Traffic jams and when people use unnecessary acronyms/abbreviations.

Favorite place to eat?

Home or Deli 4 You.

Favorite place to visit?

Warsaw

Favorite food?

Pork chops with red beets and potatoes, and tiramisu.

Favorite movie?

Ghost Dog: The Way of the Samurai

Favorite sports team?

Legia Warszawa, Liverpool F.C., and Valencia C.F.

Name some things people might be surprised to learn about you.

  1. I have two cats named Rasputin and Tango
  2. I wanted to be a fighter jet pilot when I was a kid
veterinarians

Dr. Pawel Tymoszuk, DVM

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 now.

What is your educational and veterinary medicine background?

I graduated from Warsaw University of Life Sciences in veterinary medicine in 2009. My adventure with veterinary medicine in the US started at Norwood Park Animal Hospital with Dr. Hammer and his staff in 2010. This amazing journey continues with Companion Animal Hospital of Norridge now.

Why did you decide to become a veterinarian?

My passion for medicine and animals started in grammar school. The only way I could combine both interests was attending a vet school.

What are your special interests in veterinary medicine?

Wound care and surgery.

What is the most unusual pet you have helped treat?

A baby squirrel.

What is your biggest pet peeve?

People on their phone while driving.

Favorite place to eat?

Anywhere outdoors.

Favorite place to visit?

My beloved Warszawa, Wolka Zamkowa (my grandma's village) and Capri (in Italy).

Favorite food?

Healthy food.

Favorite movie?

The Grand Budapest Hotel.

Favorite sports team?

Legia Warszawa, F.C. Barcelona, the Polish ski jumping national team, and the Chicago Bulls.

Name some things people might be surprised to learn about you.

  1. I collect soccer team jerseys
  2. Woodworking is my biggest hobby
  3. I like reading Scandinavian crime stories
veterinarians

Dr. Douglas Hammer, DVM, DACVS

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 partial retirement. During his tenure, he has published extensively. In 1982, Dr. Hammer was accepted into the American College of Veterinary Surgeons as a soft-tissue and orthopedic surgeon. He has developed techniques for the repair of cleft palate, harelip and multiple orthopedic procedures.

Dr. Hammer is married and has an adult son, along with two dogs and four cats. When not practicing veterinary surgery and medicine he enjoys photography, fishing, skiing, shooting sports and building accurate models of 19th-century sailing vessels.

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Dr. MEgan Murray, DVM

What is your educational and veterinary background?
I did my undergraduate studies at North Park University where I majored in Biology. I then went on to Veterinary School at the University of Illinois.

Why did you decide to become a veterinarian?

I have always loved animals and science, so when I started thinking about what I wanted to be when I was in high school, veterinary medicine seemed to combine the best of both worlds!

What are your special interests in the field of veterinary medicine?

I enjoy neurology, oncology and behavior medicine.

What is the most unusual pet you have helped treat?

I helped treat a porcupine and an alpaca in veterinary school!

What is your biggest pet peeve?

Traffic

Favorite place to eat?

Uncle Julio’s for Mexican food

Favorite place to visit?

Hawaii

Favorite food?

Pizza and buffalo wings

Favorite movie?

Good Will Hunting and Tommy Boy

Favorite Sports Team?

Blackhawks

Name 3 things people might be surprised to learn about you:

  1. I am allergic to cats and dogs.
  2. I don’t have any pets…yet.
  3. I love doing jigsaw puzzles in my free time!

Support Team

DeeDee

DeeDee, Hospital Manager

Hi, I'm DeeDee, the Hospital Manager at Companion Animal Hospital Norridge. I decided to go to Vet Tech school after working as a retail sales manager for over 20 years. I obsessively watched a show on Animal Planet about Alameda East in Colorado and it sparked my desire to help animals. I wanted to do what they did. After my mother was diagnosed with lung cancer, I left retail and jumped head first into veterinary medicine. During school, I worked in the emergency room at MedVet Columbus. Upon graduation I moved to Louisville, Kentucky, where I was the technician for the only board-certified ophthalmologist treating small animals in the state of Kentucky. I decided to merge my management experience with my veterinary skills and moved into my first role as Hospital Manager in 2013 and joined Companion Animal Hospitals in April 2017.

Alex

Alex, Lead Technician

Alex is responsible for the care and maintenance of all mechanical and technical tools in the hospital. He is an operative assistant and provides technical care for medical and surgical patients in and out of the hospital. He is recently married and lives with his wife, their dog Sammy, and four cats.

When he is not working, he enjoys watching the Cubs crush the Cardinals, growing hops and making beer.

Marietta

Marietta, Certified Veterinary Technician

Bio coming soon.

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Gosia, Certified Veterinary Technician

Bio coming soon.

heidi

Heidi, Certified Veterinary Technician

Since she was young, Heidi always knew she wanted to work with animals. This led to her earning a Bachelor's degree in Biology and a minor in Chemistry. She recently graduated from the veterinary technician program at Fox College in Tinley Park. She loves working in general practice, but she hopes to one day work with elephants, which happen to be her favorite animal! When Heidi isn't working, she's cheering on the Cubbies or making cupcakes with her sister for their cupcake business.

Stacie

Stacie, Veterinary Technician

Stacie has been a vet tech for 14+ years and joined Companion Animal Hospital Norridge in September 2016. She is a certified elementary teacher as well, but really enjoys working with animals. She's a huge Cubs and Blackhawks fan and enjoys spending time with her husband and son. Stacie loves spending time with family and friends and loves being active outdoors. She really looks forward to meeting you and working with your pets.

Katie

Katie, Veterinary Technician

Katie has a bachelor's degree in Zoology and Anthropology from Southern Illinois University Carbondale. She has worked with a variety of animals, from rats to companion animals to monkeys in several different settings including research, animal clinics and field studies overseas. She's also a certified crazy cat lady, or some would say anyway, and currently has 4 of her own. Katie would love to go to graduate school to study animal and environmental conservation, and will hopefully have that opportunity someday.

Her favorite part of working at Companion is the relationships the staff have with clients and their pets. They have so many long-time clients, and Katie enjoys getting to know them and their pets, to know their stories and form lasting bonds.

Katie has had many memorable moments with her fellow staff and their clients and patients, but the Open House was a highlight. She enjoyed helping the team prepare for the event and being a participant, as well has getting to show clients just how much we care about them and their pets.

Kayla

Kayla, Veterinary Technician

In 2013, Kayla started her veterinary technician program at the Tinley Park Vet Tech Institute. Unfortunately, circumstances left her unable to complete the program. After school, she began working at a grooming salon, learning how to properly bathe and dry dogs and cats. Afterward, she went to Lombard Veterinary Hospital where she worked as a receptionist and kennel attendant. Near the end of her time at Lombard, Kayla moved into a tech position. She also had the opportunity to work in the ER at Midwest Bird and Exotic Hospital. There, she was able to work with all kinds of exotic animals including snakes, hedgehogs, and even pigs and ducks. As much as she enjoyed the adrenaline rush of the ER, it became emotionally taxing and she found herself wanting to work in a regular practice.

Kayla appreciates Companion Animal Hospital's welcoming team and their commitment to making clients happy and providing the best medicine for their patients. She also loves that her team members are very helpful and never hesitate to answer questions or help with certain tasks. One of her most memorable experiences at Companion was getting to perform her first dental procedure. Since leaving school, it was a skill she was most interested in learning.

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Sarah, Veterinary Technician

Animals make more sense to Sarah than humans do. Their language is compassion, and that makes them that much more amazing. Sarah loves working at a general practice and is hoping to gain some E.R. experience in the future. She would also eventually love to do physical therapy for dogs and horses! While she has not yet gone to school to be a CVT, Sarah plans to do so in the not-so-distant future. She was lucky to be given the chance to learn from some pretty amazing techs and doctors here at Companion Animal Hospital in Norridge! In her spare time, Sarah likes to ride horses, hang out with her Pitbull, Datson and cat, Turbo, and play video games.

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Karen, Lead Receptionist

Karen joined the Companion Animal Hospital Norridge team in June of 2016. She attended an all-girls high school on the Northwest side before her foray into the wonderful world of customer service, where she has since gained over 25 years of experience. She spent the last 17 years working as a chairside assistant in the dental field while raising her two (now adult) children. Karen enjoys bringing positivity to Companion Animal Hospital. She always does her best to provide excellent service and genuinely enjoys helping others. “Every day at Companion Animal Hospital is different, you get to see old friends and make new ones as well!” In her free time, Karen enjoys watching bad reality TV, feeding literally anything that wanders into her yard, and hanging out with her husband and their “big boned” dog Maggie, and two fairly odd cats named Spooky (aka Lolly) and Wham! (aka Baloney Cat).

chris

Chris, Receptionist

Chris has been in the animal medicine field for almost 40 years. She began working as a veterinary technician, which led to her transition to office manager. In 2016, she joined the Norwood Park Animal Hospital team. Chris loves the day-to-day aspect of working at an animal hospital and jumping in to help wherever she is needed. She currently has two dogs at home; a Golden Retriever named Charlie and a Chihuahua named Lady. She also has a cat named Wyatt. Chris enjoys spending time with her husband, their two daughters, and friends.

stephanie

Stephanie, Receptionist

Stephanie has worked with Companion Animal Hospital for 11 years. She enjoys being the positive presence that pets and pet parents meet as soon as they walk in,  and has a wonderful time working with all of her coworkers! Stephanie knows that her position is central to our clients having a positive experience at the hospital, so she does her best to help everyone who walks through the door (both humans and pets).

In her free time, Stephanie enjoys spending time with her husband and playing with their two adorable kids! She also enjoys taking care of her two cats and dog, and baking delicious treats!

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Karolina, Receptionist

Bio coming soon.

Michelle

Michelle, Receptionist

Bio coming soon.

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Kelsey, Receptionist

Bio coming soon.

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Lauren, Receptionist

Having always loved all living things--animals, people, and plants alike--working with animals (combined with Lauren's customer service experience) just made sense. Making another person's day ultimately makes her day, and being able to go above and beyond for clients and their furry loved ones fills her with a sense of accomplishment. In her opinion, a rewarding job is the best job! When Lauren's not working, she enjoys tending to her jungle at home--there are plants everywhere! She also has three tiny black 'panthers' along with rabbits, lizards, birds and rats keeping her busy--ask her about them! Lauren is a spunky vegan who enjoys cooking and expanding her skills in watercolor and illustration, which she majored in in college.

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Megan, Receptionist

Bio coming soon.

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Katherine, Lead Kennel

Bio coming soon.

joyce

Joyce, Kennel

Bio coming soon.

Ginger

Ginger, Kennel

Bio coming soon.

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Steven, Kennel

Bio coming soon.

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Monica, Kennel

Bio coming soon.

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Jennifer, Kennel

Bio coming soon.

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Ana, Kennel

Bio coming soon.

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Joleen, Groomer

After raising show dogs for 25 years and developing a passion for grooming, working in this field was a no-brainer! Not only is Joleen an experienced professional groomer; she also has experience in veterinary assistance, dog walking, boarding, doggie daycare and in-home pet care. Having cared for her own Bull Terriers and seeing many dermatological specialists to treat their various skin disorders, Joleen knows many approaches to canine skin and coat health. When she's not working, she enjoys hanging out with her two female Bull Terriers: Phaedra, who she personally handled to achieve her AKC Championship and Canine Good Citizenship, and Jodee, who has had lifelong dermatology concerns and who Joleen is currently helping through senior dog issues. She looks forward to meeting and grooming your furry companions!

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