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AAHA Accredited Hospital

Hallett Veterinary Hospital

5744 Brown Street
Oconomowoc, WI 53066
Get Driving Directions
Website: http://www.hallettvet.com
Phone: 262-569-0801
Email: [email protected]
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Accredited Since 2005


  • Michael W. Fagan, DVM
  • Heidi Hallett, DVM
  • John S. Hallett, DVM
  • Emily Hierlmeier, DVM
  • Rachel A. Oberholtzer, DVM

Species Treated

  • Dogs
  • Cats

Hospital Hours

Monday7:30am to 8:00pm
Tuesday7:30am to 8:00pm
Wednesday7:30am to 8:00pm
Thursday7:30am to 8:00pm
Friday7:30am to 6:00pm
Saturday8:00am to 4:00pm


Hallett Veterinary Hospital provides high quality medicine and surgery to all patients along with supplying information to pet owners that will actively involve them in the decisions that affect their pets. Diagnostics are emphasized in order to offer the best treatment options available.

Hallett Veterinary Hospital now offers minimally invasive laparoscopic procedures.

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