Delavan Lakes Veterinary Clinic, S.C.

Delavan Lakes Veterinary Clinic, S.C.

CALL 262.728.8622Hours & Map
262.728.8622 HOURS & 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.

Our veterinarians spend many hours each year attending educational seminars, meetings, and conferences to further their knowledge in the care of pets.  This allows them to provide the best care to your pets.

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 and two grandchildren.  They also have two Australian Shepherds named Jackson and Odie, 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 enjoys many aspects of small animal veterinary medicine and surgery including internal medicine, oncology, soft tissue surgery, and diagnostic imaging,  Dr. Hartwig has experience in many different routine and complicated soft tissue surgical procedures.  Dr. Hartwig has completed many hours of training to provide DLVC with comprehensive diagnostic ultrasound evaluation of cats and dogs.

Dr. Hartwig has been practicing full time at DLVC since 2014.  Previous to this he worked part time at DLVC since 2011 while working and living in downtown Chicago.

Outside of the clinic, Dr. Hartwig enjoys fishing, sports, and spending time with his wife, daughters, and their three-legged dog, Ashland.  He also enjoys tending to his saltwater reef aquarium residing in the lobby of DLVC.


Dr. Stacy Stengel, DVM

Graduate of UW-Madison School of Veterinary Medicine

Dr. Stengel (formerly Dr. Sdano) grew up on a hobby farm in Southeast Wisconsin, where she cared for a large variety of animals and developed her dream of becoming a veterinarian.  She received her bachelor’s degree in wildlife ecology from the University of Wisconsin-Madison in 2011. She then attended veterinary school in Madison, graduating in May 2016. Dr. Stengel enjoys all aspects of veterinary medicine, but has a special interest in animal behavior, dermatology, and dentistry.

In her free time, Dr. Stengel likes to spend time with her pets including Nikita, a very special Siberian Husky born with leg defects, Riley, a Collie/Sheltie mix, her two cats, Romeo and Saphira, and her bird, Princess. Dr. Stengel also enjoys riding her horses, traveling, any outdoor activity, reading, drawing/painting, and spending time with her husband, Kyle. Dr. Stengel loves being a part of the DLVC and cannot wait to meet each of you and your furry companions!


Dr. Benjamin Berry, DVM

Graduate of Michigan State University – College of Veterinary Medicine

Dr. Berry was raised just outside the city of Flint in Southeast Michigan. He and his three brothers spent most of their free time outdoors caring for their many pets and enjoying the surrounding woods and fields. He attended Kettering University in Flint, Michigan for his undergraduate education where he earned a degree in Mechanical Engineering. Next, he attended Michigan State University in East Lansing for his veterinary education, graduating in 2012. 

Dr. Berry enjoys the daily challenges and variety that veterinary medicine provides. He especially enjoys getting to know his furry patients and the loving family members that entrust him with their care. He is also interested in clinical pathology, dermatology, pain management, and feline behavior. 

Dr. Berry started at DLVC in November of 2017. He has previously worked at small animal veterinary clinics in Elkhart, Indiana and Janesville. His wife is a Janesville native, which brought him to the area in 2013. Outside of DLVC, Dr. Berry enjoys spending time with his wife and daughter, their cats Taz, Wiley, Mona, and Lisa, and their two horses Belle and Oakley. 


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.

Get Special Savings & Tips!

Sign Up for DLVC's Email Newsletter

We accept Discover, MasterCard and Visa Care Credit