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Meet Our Veterinarians

Get to know our team of veterinarians here at the Animal Hospital of Dauphin County in the Harrisburg and Hershey area by reading their staff bios, so that you, and your pet, can be assured that you will have the best care possible for any of your pet’s health needs! Meet Our Veterinarians.

Dr. Sarsfield Animal Hospital of Dauphin County

Dr. Bob Sarsfield

The chief medical officer and owner and has been with the Animal Hospital of Dauphin County since 1979. He started out working in the kennel and then attended Penn State University, which he graduated from in 1985. He received his DVM from Purdue University in 1989. His professional areas of interest include feline and canine medicine and surgery, ultrasound, and low level laser therapy.

Dr. Balmer, Harrisburg Hershey Vet

Dr. Heather Balmer

Dr. Heather Balmer (Zanes) is managing veterinarian and has been with the Animal Hospital of Dauphin County since 1999. Dr. Balmer first worked as a kennel assistant and then as a veterinary technician assistant. She received her undergraduate degree from Juniata College and her VMD from the University of Pennsylvania School of Veterinary Medicine in 2009. Dr. Balmer was raised in Penbrook but currently lives with her husband, Matt, and grandmother in Hummelstown along with their 4-legged children. She enjoys working with small mammals, learning new procedures such as endoscopy, and wine tasting when off the clock.

Dr. Allen, Harrisburg and Hershey Area

Dr. Kelly Allen

Dr. Kelly Allen joined the staff of the Animal Hospital of Dauphin County in 2011. She is a graduate of Iowa State University College of Veterinary Medicine and Delaware Valley College in Doylestown, PA. She enjoys talking to clients about their furry family members. Dr. Allen has a keen interest in animal behavior and enjoys helping new dog and cat owners as they experience the joy (and sometimes frustrations) of introducing an animal into the family. She lives with her husband, Todd, and one cat, Amos, who enjoys being the center of attention.

Dr. Fletcher, Dauphin County Veterinarian

Dr. Jennifer Fletcher

Dr. Jennifer Fletcher, CCRT joined the staff of the Animal Hospital of Dauphin County in 2011. She attended Colorado State University where she earned her Bachelor’s of Science in Microbiology and Doctor of Veterinary Medicine degree. Dr. Fletcher went on to complete a rotating medicine and surgery internship at Wheat Ridge Animal Hospital in Denver, CO. Dr. Fletcher is recently completed her certification in canine rehabilitation in September 2017 through the Canine Rehabilitation Institute. Her other interests include internal medicine and oncology. Originally from Boston, Dr. Fletcher grew up in Michigan. She has lived in California, Michigan, Minnesota, Colorado and even Perth, Australia. She lives in Mechanicsburg with her husband (also a veterinarian!) and daughter, their Heeler-Lab mix Colbie, Great Pyrenees-Anatolian mix Murray and 3 cats: Duck, Darby and Mac. When not working, she enjoys rock climbing, triathlon training, reading, cooking and running.

Dr. Zajac, Hershey, Harrisburg Veterinarian

Dr. Audrey Zajac

Dr. Audrey Zajac joined the Animal Hospital of Dauphin County in July, 2013. She became interested in animals at a young age; and spent summers working on her grandparents’ dairy farm and began riding horses at 12 years old. Dr. Zajac attended King’s College in Wilkes-Barre, PA where she received her Bachelor’s Degree in Biology, and then headed off to Auburn University College of Veterinary Medicine in Auburn, AL. Although she loved Southern life and enjoyed meeting new people, Dr. Zajac felt the urge to be back in PA with her family. After graduation, she returned to PA in 2009 where she worked with dogs, cats and horses as a general practitioner. In her free time Dr. Zajac enjoys birding, hiking, and spending time with friends and family. Dr. Zajac enjoys spending time with her 2 rescued cats, Romeo and Puffin, and her horse Lovie.

Dr. Whitney Wolfgang

Dr. Whitney Wolfgang joined the Animal Hospital of Dauphin County in June 2016.  GGrowing up in Hummelstown, PA, Dr. Wolfgang always knew she wanted to work with animals in some capacity. Early in her college career, she fell in love with veterinary medicine. She graduated from Towson University in Maryland with a duel degree in Biology and Animal behavior, and a minor in chemistry. She also traveled to South Africa for a veterinary experience with local community outreach and wildlife veterinary medicine. Dr. Wolfgang earned her veterinary degree from Purdue University. Her off-campus rotations included one in Italy with a veterinary surgeon at a 24-hour emergency clinic, one with an oral surgeon in Maryland, and one at AHDC! Dr. Wolfgang has a special interest in soft tissue surgery, dentistry, and ophthalmology. She currently lives in Palmyra with her 2 lovable cats (Mustache and Macy). In her free-time, Dr. Wolfgang enjoys yoga, hiking, hanging out with friends and family, cooking, and watching Netflix.

Dr. Lloyd V. Reitz, Jr.

Dr. Lloyd V. Reitz, Jr. grew up on his family’s fourth-generation dairy farm in Shamokin, PA. In addition to caring for cows, he grew up with a wide variety animals, including horses, pigs, chickens, rabbits, cats, dogs, and even a couple of emus. Because of his love for animals and science, Dr. Reitz chose to pursue a degree in Biology from Messiah College, graduating in 2001. He then continued his education at Bucknell University, obtaining a Master’s of Science in Cellular Biology in 2004. After receiving his M.S., he moved to Richmond, VA, and completed an Emerging Infectious Disease Fellowship with the Centers for Disease Control and Prevention and the Association of Public Health Laboratories, working in the Chemical Terrorism and Response Laboratory at the Department of General Services for the Commonwealth of Virginia. Upon completion of his fellowship in 2005, Dr. Reitz and his wife moved to Mississippi, where he received his Doctor of Veterinary Medicine at Mississippi State University’s College of Veterinary Medicine in 2009. After graduation, Dr. Reitz returned to the central PA area, and began practicing mixed animal medicine. He and his wife began renovations on their century-old farm house, and welcomed daughter Collette in November of 2009. They welcomed sons Trey into their family in December 2011 and Elliott in June 2014. Also residing at the household are two Newfoundland dogs, Bingo and Byron, a Cairn Terrier mix, Mollie, and two pot-bellied pigs, Peppa and Charlotte and two cats, Tripp and Elizabeth. Dr. Reitz has served as a PVMA Trustee for District II. Currently, he is President-elect of PVMA, President of the Board of Directors for pvmaAssure and Power of 10 co-chair. He has participated in Penn Executive Veterinary Leadership Program: Making an impact as Public Health Leaders 2011, and Power of 10 in 2014. He served as the Alternate Delegate for Pennsylvania at the American Veterinary Medical Association House of Delegates meeting in August 2012. He was Chair of the American Veterinary Medical Foundation Our Oath in Action Committee for the 2012 convention in San Diego, and a facilitator for the Veterinary Leadership Institute’s Veterinary Leadership Experience 2015 in Post Falls, Idaho.

Dr. Tasha Parks

Dr. Tasha Parks is our Urgent Care Managing Veterinarian. A native of central Pennsylvania, she was born and raised in Lewistown, PA where she currently resides. She is a 2002 graduate of the University of Arizona, where she obtained a bachelor’s degree in Animal Science. In 2007, she graduated from The Ohio State University, College of Veterinary Medicine. After graduation from OSU, she spent two years in small animal private practice in Ohio before accepting a position an emergency clinician and moving home to be closer to her family. Dr. Parks has been practicing solely emergency veterinary medicine for the last 9 years. She is a member of the Pennsylvania and American Veterinary Medical Associations, the Veterinary Emergency and Critical Care Society, as well as, the Veterinary Hospital Manager’s Association. She is also a Fear Free Certified Veterinary Professional. Dr. Parks’ professional interests include emergency surgery, pain management and avian, small mammal and reptile medicine. Outside of work her hobbies include reading, hiking, baking, and crafts. She enjoys spending her free time with her husband and daughter, along with their menagerie of pets, which include an English Bulldog, a Pug, 3 cats and a 24 year old African Grey Parrot.


Dr. Jamie Putt

Dr. Jamie Putt is a native of Harrisburg, PA. She obtained her B.S. in Animal Bioscience from Pennsylvania State University in 2001. She attended veterinary school at Virginia-Maryland Regional College of Veterinary Medicine and obtained her D.V.M. in 2005. Dr. Putt is a current active member of the American Veterinary Medical Association and the Foundation for Veterinary Dentistry, the mission of which is to educate the public about the importance of oral health in animals. Her special interests include dentistry, endocrinology, dermatology and ferret medicine. She is currently owned by an Italian Greyhound named Vinny, an Australian Shepherd Mix named Lola and 3 cats – Kiki, Pixie and Solomon. Outside of work, Dr. Putt enjoys home renovations, hiking with her dogs and relaxing at the beach.