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Norwood Park Animal Hospital

4321 N Harlem Ave | Norridge, IL 60706

Call 708-247-1047
Monday 9:00am - 7:00pm
Tuesday 9:00am - 7:00pm
Wednesday 9:00am - 4:00pm
Thursday 9:00am - 7:00pm
Friday 9:00am - 7:00pm
Saturday 9:00am - 4:00pm
Sunday Closed
  • Veterinary Accupuncture
  • Board Certified Surgeon (ACVS)
  • In-House Labratory
  • Family Owned and Operated
  • Founded In 1951
  • Animal Boarding
  • Animal Flea Control
  • Animal Microchipping
  • Bird Vet
  • Declawing
  • Emergency Veterinary Clinic
  • Exotic Animal Vet
  • Holistic Veterinary Medicine
  • Reptile Vet
  • Small Animal Vet
  • Spaying/Neutering
  • Veterinarians
  • Veterinary Dentistry
  • Veterinary Docking
  • Veterinary Euthanasia
  • Veterinary Medical Specialties
  • Veterinary Surgery
  • Veterinary Vaccinations
  • Veterinary Cropping


Norwood Park Animal Hospital and Veterinary Surgical Service provides state-of-the-art medical diagnostics, hospital veterinary care and comprehensive medical/surgical treatments. Our goal is to provide your pet with compassionate, responsible and thorough veterinary care. Board certified surgical and diagnostic specialist are available to implement care and manage your pets medical and surgical needs.

Our comprehensive services include diagnostic imaging, preventative medicine, internal medicine, oncology, acupuncture, soft tissue surgery, neurological surgery, and orthopedic surgery.

Our priority is comprehensive diagnostics to ensure accurate diagnosis and to provide complete care of your pet, ensuring their safety and well-being.


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Dr. Douglas Hammer DVM, Dip., A.C.V.S.

Dr. Douglas Hammer DVM, Dip., A.C.V.S.

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. 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, hair-lip and multiple orthopedic procedures.

Dr. Hammer is married, has a thirty-four-year-old son, three dogs, and four cats. When not practicing veterinary surgery and medicine he enjoys photography, fishing, skiing, shooting sports and builds accurate models of 19th century sailing vessels.

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Dr. Katherine Wawronowicz-Anderson, DVM, C.V.A.

Dr. Katherine Wawronowicz-Anderson, DVM, C.V.A.

attained her DVM from St. George’s University in 2005. She has been working as a general practitioner at Norwood Park Animal Hospital since graduation. Dr. Wawronowicz-Anderson has a special interest in Chinese Medicine and obtained her acupuncture certification from the Chi Institute in 2009. She is also studying how to incorporate food and herbal medicine into daily practice.

On her days off, Dr. Wawronowicz-Anderson enjoys traveling and going to the dog park with her two dogs, Tonka and Cooper.

Dr. Wawronowicz-Anderson mówi po polsku i pracuje w gabinecie codziennie od niedzieli do środy.

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Melissa Hammer

Melissa Hammer

Melissa has been the office manager for the last ten years. In addition to accounting she is a veterinary technician and responsible for the medical management of all animals in the hospital. She dispenses medications for patients in and out of the hospital and manages the front office staff.

Outside of the hospital she is frequently caring for orphaned animals in addition to maintaining a busy house with three dogs and four cats.

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Alex Hammer

Alex Hammer

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 in Weschester with his wife Hiliary, Sam the dog and three cats.

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

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