Delavan Lakes Veterinary Clinic, S.C.

CALL 262.728.8622Hours & Map


We are very proud to have a talented group of the very best veterinarians in our region. Please feel to contact them with any questions that you might have through our office. Each vet is accomplished in his/her practice and specializes in specific portions of veterinary medicine.

Dr. Christine Hartwig, DVM

Graduate of University of Wisconsin-Madison

Dr. Chris Hartwig is originally from a small town in Minnesota near the Twin Cities. She attended the University of Wisconsin - River Falls and the University of Wisconsin - Whitewater before graduating from veterinary school at the University of Wisconsin - Madison. She has been practicing at the clinic since graduating in 1997. 

Dr. Hartwig enjoys all aspects of the veterinary field especially her interactions with pets and their owners. Special areas of interest also include surgery, cardiac medicine, ultrasound and rabbit medicine. Dr. Hartwig is an official veterinarian for the House Rabbit Society of Wisconsin and volunteers her time and services to Fellow Mortals, a wildlife rehabilation center.

Dr. Hartwig and her husband Scott, who is the clinic's Practice Manager, have three adult children - Kevin, David, and Dana. They also have two active Australian Shepherds named Josie and Jackson and three cats - Wheezy, Cuddles and Mitten.  In their free time, they both enjoy hiking, gardening/landscaping, fishing, and riding their horses.


Dr. Kevin Hartwig, DVM

Graduate of St. George's University

Dr. Kevin Hartwig grew up in southeast Wisconsin and attended University of Wisconsin-River Falls where he recieved his B.S. degree in Biomedical Science.

He graduated from St.George's University School of Veterinary Medicine, located in Grenada, West Indies, and completed his fourth year at the University of Georgia in 2011.

Dr. Hartwig has been practicing veterinary medicine in Chicago since June 2011. Having previously provided veterinary care on a part-time limited basis at DLVC, Dr. Hartwig has made a permanent transition from Chicago to further enhance the veterinary capabilities at DLVC.

In addition to his love for dogs and cats, he has a special interest in treating and caring for an array of exotic pets and wild life species, including birds, rabbits, ferrets, reptiles, amphibians and pocket pets. Also of great interest is the science of internal medicine, ultrasound and radiography.

Outside of the clinic, Dr. Hartwig enjoys fishing, sports, and spending time with his wife, Melissa, and their three-legged dog, Ashland.


Dr. Brenda Reed, DVM

Graduate of Iowa State University College of Veterinary Medicine

Dr. Reed grew up on a farm in rural northeast Nebraska, where she developed her love for animals. She received her bachelor’s degree in biology from Loras College in Dubuque, Iowa in 2006. She then attended veterinary school at Iowa State University, graduating in 2010. Dr. Reed enjoys many aspects of small animal medicine, with special interest in surgery and dental care.

Outside of veterinary medicine, Dr. Reed enjoys activities spent in the great outdoors such as kayaking, hiking, swimming, and biking to name a few. Along with her husband, Joe, Dr. Reed also spends a lot of her time renovating her home. Dr. Reed and her husband are proud owners of a very talkative Siamese cat, Basil.


Dr. Simone Sidel, DVM

Graduate of St. George’s University

Dr. Sidel did her clinical rotations at the Ohio State University, followed by a one year rotating small animal internship at a specialty hospital in New York City.

She moved to Chicago in 2012 and experienced working in a variety of hospital types, including general practice, emergency, and shelter medicine.

Dr. Sidel has a special interest in behavioral, internal, and emergency medicine.

She enjoys spending her free time going to the beach with her three dogs – Zino, a Greyhound, Xula, an Australian Shepherd mix, and Yogi, a Silky Terrier. She also enjoys relaxing at home with her cat Mossimo and exploring the Midwest with her family and friends.


Dr. Maura G. O’Brien, DVM, DACVS

Graduate of the University of Florida. Diplomate of the American College of Veterinary Surgeons

Dr. O’Brien graduated from the University of Florida in 1987. After completing a three-year residency in small animal surgery at Tufts University School of Veterinary Medicine and Angell Memorial Hospital in Massachusetts, Dr. O’Brien was accepted as a Fellow in Surgical Oncology at Colorado State University of Veterinary Medicine in 1993.

Dr. O’Brien has extensive small animal surgical experience. She spent eight years in Southern California, two years in Wisconsin, and then moved to Colorado and Wyoming, where she opened a mobile veterinary surgery practice known as Orchard Road Veterinary Surgery, Inc.

In 2006, Dr. O’Brien relocated her mobile surgery practice to Madison, WI. Over the past several years in Wisconsin the practice has grown and currently offers its surgical service to more than 50 veterinary hospitals in south central Wisconsin.

As a board certified traveling surgeon, Dr. O’Brien has been performing a variety of advanced orthopedic, neurological, and soft tissue surgery here at the clinic on an ‘on-call’ basis for several years.

 Dr. O’Brien enjoys horseback riding, gardening, and spending time with her people family and her pet family of dogs, cats, and horses.

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