Mark F. Michelotti, VMD

Originally from the Camp Hill area of Pennsylvania, 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 and was first in his class. After graduating, he moved back to State College because of his love for the area. 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.

Dr. Michelotti's veterinary interests include orthopedics, ear, nose, and throat surgery, and canine reproductive services. 

In his free time, Dr. Michelotti enjoys playing squash, fly fishing, fly-tying, bow hunting, and bird hunting with his dog, Kira.

Debra J. Smart, DVM

Dr. Smart is from Lancaster, Pennsylvania. She graduated from Princeton University, and then earned her DVM at Colorado State University. She practiced in Colorado for 4 years and in Minnesota for 5 years before moving to State College with her husband, who joined the meteorology department at Penn State.

Dr. Smart lives with her husband, Ken Davis, and their three children: Maggie, Nathan, and Mary, in Warriors Mark. The family has a Portuguese Water Dog, three cats, two Morgan horses, and one pony. Dr. Smart's special interests are in feline medicine and dentistry. She treats pocket pets (guinea pigs, gerbils and hamsters) and rabbits here at Centre Animal Hospital. Dr. Smart enjoys horseback riding, both dressage and trail riding, and traveling and camping with her family. 

Jennifer Nunnery, DVM

Dr. Nunnery is originally from Murfreesboro, Tennessee. She earned a BA in Biology from Hollins College in Roanoke, Virginia, and in 2002 received her DVM from the University Of Tennessee College Of Veterinary Medicine. Dr. Nunnery's experience includes working as a small animal veterinarian in Tennessee and in public health at the Centers for Disease Control and Prevention in Atlanta, GA.

In August of 2006, following her husband's career move to Penn State University to teach philosophy, she joined the Centre Animal Hospital team. She and her husband, Mark, live in State College with their four cats, Nenagh, Nicholas, Fig, and Rye, and two dogs, Tennessee and Virginia. In her leisure time she enjoys hiking, knitting, and reading.

 Walter O. Cottrell, MS, DVM

Dr. Cottrell is originally from Michigan. He attended the University of Michigan for a year and a half before going into the Marine Corps for 5 years. He then earned his bachelors and masters degrees from Michigan State. Dr. Cottrell was a wildlife biologist in Maryland, Minnesota, and Vermont for 6 years after which he went to veterinary school at Cornell University. He began practicing in Vermont and worked there for 19 years. In 2004, he moved to Pennsylvania and began working at Centre Animal Hospital full time. Dr. Cottrell now works as the wildlife veterinarian for the Pennsylvania Game Commission and practices part time here at Centre Animal Hospital. 

Dr. Cottrell lives with his wife, Carol, in Port Matilda. They have one son and two grandsons. They share their home with two English Setters. Dr. Cottrell specializes in acupuncture and Chinese medicines. In his spare time he enjoys hunting with his dogs, Celtic music, and pomology. Dr. Cottrell also writes a column on canine health for the national magazine, Upland Almanac.

Leon J. Menapace, VMD

Dr. Menapace is originally from the Philadelphia suburbs. He attended Penn State University and graduated with a BS in Veterinary Science and went on to attend the University of Pennsylvania to earn his VMD in 1980. Dr. Menapace joined the Centre Animal Hospital team when he moved back to the State College area in January of 2008. His experience includes working in the field of human behavioral health for 16 years and teaching for a veterinary technician program at Manor College for eight years.

Dr. Menapace lives with his wife, Dolores, and has four children. He shares his home with three cats named Sassy, Jessie, and Charlie and 2 dogs, Nellie and Willie. He enjoys photography and woodworking.

Diane Porter, DVM

Dr. Porter was born and raised in State College where she attended Penn State University. She went on to attend North Carolina State University and earned a BS in Animal Science and her DVM from the College of Veterinary Medicine in 2005. Dr. Porter joined Centre Animal Hospital in April of 2008 after moving back to the area. Her interests include exotic animals and aquatic medicine. She sees pocket pets (guinea pigs, gerbils and hamsters) and rabbits here at the hospital. Her experience includes working as a technician/office manager of a veterinary clinic in North Carolina.

Dr. Porter lives with her husband, David, and two daughters, Breanne and Ella Jean in Pine Grove Mills. She also shares her home with two cats, Kali and El N, and a German short-haired pointer, Drake. She enjoys spending time in the outdoors and likes to hike, kayak, and garden.

Renee Calvert, DVM