Meet our Doctors
About Centre Animal Hospital
Centre Animal Hospital provides the highest quality veterinary care to ensure you and your pets are healthy and happy.
Meet our skilled, compassionate veterinary care team who are committed to providing exceptional veterinary care for your pets.
Meet the Team
Debra J. Smart, DVM, Owner & Director
Dr. Smart is from Lancaster, Pennsylvania. She graduated from Princeton University and then earned her DVM at Colorado State University. After practicing in Colorado for four years and in Minnesota for an additional four years, she moved to State College when her husband joined the meteorology department at Penn State. Dr. Smart has practiced at Centre Animal Hospital since 2001, and with Dr. Calvert assumed ownership of the practice in 2017.
Dr. Smart’s family includes two Petit Basset Griffon Vendéens, two cats, and two Morgan horses. Dr. Smart greatly enjoys all aspects of veterinary practice - preventative care, internal medicine, and surgery. She has special interests in dentistry and feline medicine, and she treats pocket pets (guinea pigs, gerbils, and hamsters) and rabbits.
Dr. Smart enjoys horseback riding, both dressage and trail riding, and traveling and camping with her family.
Renee A. Calvert, DVM, Owner & Medical Director
From childhood, Dr. Renee Calvert knew exactly what she was meant to do in life. In third grade she decided to become a veterinarian, and she hasn't slowed down or looked back since then. Her early love of animals became a career that allows her to contribute to their wellness, aid in their healing, relieve their suffering, and educate their owners, all while continually learning, developing her skills, and challenging herself.
She grew up near Allentown, PA, where she got her start raising Seeing Eye puppies. After graduating from Penn State and completing vet school at Purdue, she worked at animal hospitals in Fairmont, WV and Somerset, PA. In 2000, she moved back to State College and started her own practice, Mountain MobileVet. By 2008, she was ready for a change, so she joined the staff of Centre Animal Hospital in 2009. She partnered with Dr. Smart to purchase the hospital from its founder, Dr. Michelotti in 2017. Together they are taking the practice forward into its fourth decade of service to the Centre Region.
Dr. Calvert enjoys almost everything about veterinary medicine, but her particular passion is for tackling the complicated medical cases that defy easy answers. The satisfaction of solving a mystery and helping a sick animal is a constant reaffirmation of her decision to become a vet. She also has a special interest in dentistry.
Dr. Calvert lives near State College with her husband Jeff. As an avid ultra runner, she recharges by roaming the rocky trails of central PA with her pit bull partner, Scotia. She loves to travel, especially for adventure runs and longer races, and to visit her son in Los Angeles.
Diane Porter, DVM
Dr. Porter was born and raised in State College and always wanted to be a vet. At age eight, she cared for her first injured rabbit and never looked back! After attending Penn State University, she went on to North Carolina State University, where she earned a BS in Animal Science and her DVM from the College of Veterinary Medicine in 2005. Dr. Porter joined Centre Animal Hospital when she returned home to State College in April of 2008. Dr. Porter has expertise in abdominal and cardiac ultrasound as well as cytology and pathology. Her clinical interests include both canine and feline internal medicine and surgery, pocket pets (guinea pigs, gerbils, and hamsters), and rabbits.
Dr. Porter lives with her husband and four daughters in Centre Hall. They have a houseful of pets: four cats, a German shorthaired pointer, three Leopard Geckos, and some tropical fish. Dr. Porter enjoys spending time in the outdoors and likes to hike, camp, kayak, and garden with her family.
Sara M. Haus, VMD
A native of Lancaster, PA, Dr. Haus graduated from Penn State in 2006. She is a 2013 graduate of The University of Pennsylvania School of Veterinary Medicine. Dr. Haus practiced in Wellsboro, PA before coming to State College, and she joined the Centre Animal Hospital team in January 2019. She and her husband are owned by their three dogs (a Boxer mix and 2 greyhounds), and three cats.
Dr. Haus feels very committed to keeping your beloved animal family members healthy and comfortable. She enjoys making animals and those who care for them feel better. She encourages her clients not to skimp on preventative care, knowing that it will save owners heartache as their pets age.
In her free time, Dr. Haus enjoys painting as well as spending time outdoors, crocheting, and quilting.
Heather Heisey, DVM
Dr. Heather Heisey grew up in New Mexico. After attending New Mexico State University, she graduated from Colorado State University with a Bachelor’s degree in Veterinary Science and a DVM in 1993. She practiced small animal medicine in Kentucky and in the Lancaster and Middletown areas for several years. She then served with Christian Veterinary Mission in Ulaanbaatar, Mongolia from 2008-2013. Her work there involved establishing a Distance Learning Master’s Degree Program for Mongolian veterinarians to offer practical training in veterinary medicine. The program is a cooperative project between the Mongolia State Agriculture University and five universities in the US. After returning to the US, Dr. Heisey worked as an Adjunct Instructor in the Veterinary Technician program at YTI Career Institute in York, PA and also worked in a small animal practice in Middletown, PA. Dr. Heisey joins the Centre Animal Hospital team in May 2021.
Dr. Heisey enjoys many aspects of small animal practice including general medicine and surgery. She appreciates the opportunity to work with pet owners to provide preventative care as well as treating sick or injured pets.
Dr. Heisey lives with an adorable pug mix and an equally adorable Chihuahua mix. She enjoys trout fishing, gardening, art, and spending time with her three young adult children.
Erica Kim, DVM
Dr. Erica Kim received a B.S. and M.S. in Biology from the University of North Carolina, Charlotte before receiving her Doctor of Veterinary Medicine degree from Western University of Health Sciences in Pomona, CA in 2014. She then completed and received her Certified Veterinary Acupuncturist in 2019. She worked in veterinary medicine in California for 7 years before beginning to practice at Centre Animal Hospital in January 2022.
After spending her childhood in South Korea, Dr. Kim and her family immigrated to Charlotte, NC, when she was fourteen years old. She lived in California for more than a decade before deciding to come East to be closer to family. She is looking forward to having a change of seasons again, and to being able to garden; she aspires to be able to store and preserve her own produce. She also enjoys crocheting, reading and writing, as well as hiking and biking.
Dr. Kim and her husband Craig are owned by three cats and two dogs. She is looking forward to serving CAH clients and patients, and to offering acupuncture to stimulate a pet’s natural healing abilities.
Mark F. Michelotti, VMD
Dr. Michelotti, the founder of our practice, retired in 2020, although he takes on an occasional procedure on an as-needed basis. He no longer sees appointments.
Dr. Michelotti received his BS in Animal Science from Penn State University in 1979. He received his VMD at the University of Pennsylvania School of Veterinary Medicine in 1983, where he was first in his class. From 1983-88 he practiced as an associate veterinarian at Animal Medical Hospital in State College. In February of 1988, he opened Centre Animal Hospital as a solo practice and ultimately grew it into the thriving business it is today. In 2017, he sold the practice to Drs. Smart and Calvert.
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