Dr. Monica is a graduate of the Michigan State University College of Veterinary Medicine. He joined Oakland Animal Hospital in 1989 and became a partner in 1998. He enjoys all forms of general veterinary medicine and surgery with a special interest in endoscopy and laser procedures. 

Dr. Monica graduated from Rochester Adams High School and has been active in the Rochester community for over thirty years. He currently teaches a veterinary science class to senior high school students and participates with Dinosaur Hill Nature Preserve and the North Oakland Y.M.C.A.

He and his family are residents of the Rochester community and have two dogs and one cat. He enjoys camping, kayaking and travel.  

Growing up in Troy, Michigan, Dr. Duncan knew at age seven that he wanted to be a veterinarian. He attended Michigan State University from 1990 until he graduated in 1998 with a Doctor of Veterinary Medicine. He took his first job at Gibraltar Veterinary Hospital. From there, he joined Oakland Animal Hospital in 2002 and became a partner in September, 2004. He has received additional training in soft tissue and orthopedic surgery (bone plating, corrective osteotomy, TPLO) as well as animal rehabilitation, cardiac and abdominal ultrasound.

Dr. Duncan is married and resides in Rochester, Michigan where he and his wife enjoy spending time with their animals; two labrador retrievers, one pug and two cats. He is a member of the American Veterinary Medical Association, Michigan Veterinary Medical Association and Rochester Jaycees. In his free time, Dr. Duncan enjoys volleyball, computers and music.

Kieth E. Gillespie, D.V.M. joined Oakland Animal Hospital in 1999. He received his Doctor of Veterinary Medicine from Michigan State University in 1989. Before he came to Oakland Animal Hospital, Dr. Gillespie spent six years in a mixed animal practice focusing mainly on small animal medicine. He is a member of the American Veterinary Medical Association and has received advanced training in upper gastro-intestinal endoscopy.

Dr. Gillespie resides in Troy, Michigan with his wife, two sons and dogs. He enjoys auto racing, home improvement and kayaking.  

Susan Matyas, M.S., D.V.M., received her Bachelor of Science in Microbiology from Ohio State University in 1990, her Master of Science in Microbiology from Michigan State University in 1995 and her Doctor of Veterinary Medicine from Michigan State University in 1998. She joined Oakland Animal Hospital in 2000, after practicing at a small animal practice in Clarkston, Michigan.

Dr. Matyas has a special interest in cardiac and abdominal ultrasound and has completed several advanced training courses in these areas. She is a member of the American Veterinary Medical Association.


Dr. Matyas resides in Oxford, Michigan with her husband, two sons, two dogs and four cats. She enjoys reading, cooking, sports, and being involved in her son’s school activities.

Lori A. McInnis, D.V.M. is the most recent veterinarian to join Oakland Animal Hospital. Originally from Niles, Michigan, she received her  Doctor of Veterinary Medicine from Michigan State University in 1994.  Dr. McInnis practices general medicine and surgery; in addition has a special interest in dentistry.

After graduation, Dr. McInnis moved out East to experience the single life in Connecticut and Massachusetts. In 1998, Michigan called her back when "the love of her life" contacted her again. In nine short months she was engaged, married and living in Macomb County. She worked in the Rochester area for several years; but moved to her husband's hometown of Marysville. After working on that side of town for four years she decided to return to the Rochester area. "All I ever wanted to be was a veterinarian. I enjoy medicine and surgery, but most of all, I love interacting with people and their pets, being there through the good times, and helping them through the sad times. As my first boss once said, I guess I have a warm heart for cold noses," states Dr. McInnis.

Dr. McInnis has been married for over eleven years, and has two children, Brendan and Caleb. They have a sweet little, pooch by the name of Otis. In her free time Dr. McInnis enjoys reading, listening to books on tape and "just hanging out" with her family.

Patricia A. Pillsbury, D.V.M. has been with Oakland Animal Hospital since 2000, after working in New York and Birmingham, Michigan for several years post graduation. Originally from Grosse Pointe Michigan, Dr. Pillsbury received her Bachelor of Science degree in Physiology from Michigan State University in 1984 and her Doctor of Veterinary Medicine from Michigan State in 1990.
 
Her special interests include feline medicine and animal behavior.
She is a member of the American Veterinary Medicine Association and the Southeast Michigan Veterinary Medical Association.

Dr. Pillsbury is married and resides in West Bloomfield, Michigan where she and her husband enjoy saber fencing. She owns four cats and a Chihuahua, is an avid reader and studies yoga in her spare time.