Our Veterinarians:
Skilled Caregivers for Waldorf Maryland

John Klimavicz, DVM

waldorf md veterinarian John Klimavicz, DMVDr. John Klimavicz is the owner of Waldorf Animal Clinic. With his business partner, Dr. William G. Hemmer, he co-owns and operates four animal hospitals in the Washington, DC metropolitan area.

Dr. Klimavicz attended Virginia Tech both as an undergraduate and for veterinary school. He earned his Doctorate of Veterinary Medicine in 1986. Dr. Klimavicz regularly attends DC Academy of Veterinary Medicine meetings and conferences, is a member of the American Veterinary Medical Association, and is USDA Accredited.

Dr. Klimavicz chose veterinary medicine as a career because he enjoys the interpretive approach to the medical sciences and adores animals. Soon after he began practicing medicine, he also realized his entrepreneurial tendencies. His desire to run a business of his own became a reality when he purchased his first clinic in 1992.

As a veterinarian and business owner, Dr. Klimavicz's mission is to provide high quality medicine while educating clients to be responsible pet owners. In addition to providing routine preventative care and working up difficult medical cases, Dr. Klimavicz is also a skilled and confident surgeon. Dr. Klimavicz often comes in on his day off, just to help his associates with medical decisions and emergency surgeries.

In his spare time, Dr. Klimavicz enjoys spending time with his wife and children, crafting new business ideas into realities, practicing martial arts, going to the gym, and reading non-fiction.

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Jeff Philips, DVM

southern maryland veterinarian Jeff Philips, DVMDr. Philips joined the Waldorf Animal Clinic team in September of 1995. He attended the University of Maryland and earned a Bachelor's Degree in Zoology in 1987. He became a veterinarian in 1994, after obtaining a Doctorate of Veterinary Medicine from the Virginia-Maryland Regional College of Veterinary Medicine at Virginia Tech. Dr. Philips is an active member of the American Veterinary Medical Association (AVMA), and the American Association of Feline Practitioners, and is USDA Accredited.

Dr. Philips chose veterinary medicine as a career because of a lifelong connection with cats. It is no surprise that he has a special interest in feline medicine. He currently shares his home with six cats (Jobo, Hamilton, Bee, Calvin, Eleanor, and Franklin).

In his spare time, Dr. Philips enjoys spending time with his wife and son. He is certified in scuba and is a self-proclaimed baseball enthusiast. When the weather permits, you'll find Dr. Philips either playing baseball or at the ball field rooting for his favorite team.

Whenever we have a complicated surgical case, Dr. Philips is available for consult or performs the surgery himself. His surgical confidence and hand-on-skills are valuable additions to our team.

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William Hemmer, DVM

Jeff Philips, DVM veterinarian in waldorf mdDr. Hemmer received his Doctor of Veterinary Medicine from the Virginia-Maryland Regional College of Veterinary Medicine in 1986. He completed his undergraduate studies at the University of Georgia, where he obtained Bachelor of Science degrees in Biology and Poultry Science. Dr. Hemmer is the co-owner of the hospital.

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Allan Mergener, DVM

Dr. Mergener veterinarian in waldorf mdDr. Allan Mergener, a Michigan native, became part of the Waldorf Animal Clinic team in May of 2015. He attended Michigan State University where he received a Bachelor’s degree in Animal Science, Doctor of Veterinary Medicine degree and Masters of Science in Food Safety degree.

Dr. Mergener’s passion for veterinary medicine comes from a love of all animals, both large and small. His interests include general medicine, surgery and food safety.

Dr. Mergener lives in Virginia with his wife, Anne, who is a veterinarian in the United States Army and their retired military working dog Nnick.

In his spare time, Dr. Mergener enjoys spending time outside hiking, camping, kayaking and fishing.

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Kristal Southern, DVM, MPH

Dr. Kristal Southern is a General Practitioner who has been a member of the Waldorf Animal Clinic's medical team since 2006.

Originally from Michigan, Dr. Southern says that her initial impulse to become a veterinarian came at age 4 after losing a beloved black Lab, Dee Dee, to cancer.

For her undergraduate studies, Dr. Southern attended Tuskegee University from which she received a Bachelor of Science in Animal and Poultry Science in 2001. In 2005, she graduated with her Doctorate of Veterinary Medicine from the Tuskegee University School of Veterinary Medicine. Additionally, she has a Master of Public Health in Informatics from the University of Illinois at Chicago. Dr. Southern is a member of the American Veterinary Medical Association and the Maryland Veterinary Medical Association and is USDA accredited.

Dr. Southern's areas of special professional interest include zoonotic disease and public health, nutrition and integrative medicine, and veterinary informatics. At home, she has 2 cats, Bruce Leroy and Simon. Dr. Southern's interests include golf, cycling, cooking and baking, travel and Latin dance.

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Cynthia Harre, DVM

Dr. Cynthia Harre is a 1995 graduate of the Mississippi State University College of Veterinary Medicine. During school, she was able to spend time rehabilitating domestic wildlife for the school’s Wildlife Support Group, as well as work with exotic wildlife at the Birmingham Zoo and the Marine Life Oceanarium.

It was also during veterinary school that she married her husband Andrew. Dr. Harre spent ten years working at Radford Animal Hospital in Virginia before opening her own practice in Roanoke, Virginia. During that time, her family grew to include a daughter and a son. After selling the Roanoke practice, she moved with her family to Maryland to become the Medical Director at Coolridge Animal Hospital. They brought with them a menagerie that included dogs, cats, hamsters, gerbils, snakes, lizards, tortoises, fish, and other assorted creatures. A few years later, the family grew again, adding another son. Dr. Harre has now joined Waldorf Animal Clinic. She will see exotics, along with cats and dogs, of course!

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