Dean Wallace, DVM

(Founder and Owner)

staff_DeanWallaceDr. Wallace was born in Wakefield, Massachusetts. His interest in biology led to a Bachelor of Science Degree from the University of Massachusetts.

He earned his Doctor of Veterinary Medicine degree from Purdue University School of Veterinary Medicine and Surgery in West Lafayette, Indiana in 1975.

He began his career in Kingston, New Hampshire working for Dr. Dan Burbank at the Kingston Animal Hospital. Dr. Wallace left Kingston with a dream of opening his own hospital. In 1976, he founded the Plaistow Animal Medical Center in Plaistow, NH. Over the next 30+ years the practice grew until, in 2006, Dr. Wallace returned to Kingston when he moved the hospital just a few miles north to its current location, changing its name to the Plaistow-Kingston Animal Medical Center.

Dr. Wallace’s particular interests include orthopedic surgery, exotic medicine and diagnostic imaging. He and several of his technicians have donated vacation time over the years working free spay/neuter clinics to help control the population of stray and orphaned animals on the islands of Anguilla, Granada, Carriacou and Gouyave.

Kate Mattera, DVM

Katie Mattera, DVMDr. Katherine Mattera grew up in Ipswich Massachusetts. She graduated from Wheaton College with a BA in biology in 2006. During her time at Wheaton, she worked on a research project with diamondback terrapin turtles on Cape Cod. Her love for working with animals continued after her undergraduate studies when she started working as a veterinary technician at a small animal practice in Woburn Massachusetts and later at a shelter in Ithaca New York.

She graduated from Ross University School of Veterinary Medicine in January 2015, and completed her clinical year at Oklahoma State University. Prior to joining the team at PKAMC, she worked as a small animal clinician for the Banfield Hospital in Manchester NH and The Animal Welfare Society, a small animal shelter in Kennebunk ME. Dr. Mattera enjoys all aspects of general small animal practice but is particularly drawn to preventative medicine, internal medicine, soft tissue surgery, and geriatric care.

During her free time, Dr. Mattera enjoys kayaking, hiking, knitting, cooking and spending time with her husband Trevor, son Ryan and cat Jack.

Dr. Mattera joined the Plaistow-Kingston Animal Medical team in May 2016.

Carissa Smullen, DVM

Dr. Smullen copyDr. Smullen grew up in the small town of Sandown and received her undergraduate degree from the University of New Hampshire in Durham. She graduated from the University of Glasgow in Scotland with her BVMS degree (the UK’s equivalent of a DVM) in June of 2010. She has been working as a small animal practitioner for the past 7 years. After working at an integrative practice about four years ago, she developed an interest in alternative therapies and received her acupuncture certification at the Chi Institute in Florida in 2014. She also became certified in food therapy last year.

She enjoys all aspects of veterinary medicine, but shows particular interest in alternative medicine, acupuncture, soft tissue surgery, neurology, and further developing her ultrasound skills. She is looking forward to working with the staff here and meeting the clients and patients.

Dr. Smullen currently lives in Auburn, NH with her husband, Jonathan, her dog, Leia, her cats Stjarna, Rapunzel, Aramis, and Chiana, and her chinchilla, Captain Jack. In her spare time, she enjoys running, yoga, painting, and spending time with her family.

Lauren Soucey, DVM

Dr. SouceyDr. Soucey grew up in Windham, New Hampshire and received her undergraduate degree from the University of New Hampshire in Durham. She always had an interest in small animal medicine and began working and volunteering at animal hospitals and animal shelters to further her knowledge and gain experience for veterinary school. From UNH, she went on to Ross University in St. Kitts for her pre-clinical schooling and then completed her clinical year at the University of Tennessee, graduating in May of 2018.

Dr. Soucey loves many aspects of veterinary medicine but has particular interests in orthopedics, canine rehabilitation, soft tissue surgery and internal medicine. She looks forward to learning something new each day and loves interacting with clients and their pets!

In her spare time, she loves being with her two cats, Prince and Bubba. She hopes to add a dog to her family soon! She enjoys spending time with family, watching the Boston Bruins, traveling, being outdoors and spending time at Old Orchard Beach.


Eli Carleton

staff_EliCarletonEli started working at the PKAMC as a veterinary technician in 2002. He attended Thomson Direct. He has a special interest in exotics, and keeps a collection of fresh water stingrays. He enjoys studying ectotherms in captivity and in their natural environment, and has made multiple trips to Grand Cayman, Costa Rica and other exotic locales to study these creatures and further his knowledge in the field. Eli is our Head Exotics/Surgical Technician and Associate Hospital Manager. He lives in Southern, NH with his wife and two sons Ray and Leo.

Beth Kelley

staff_BethKelleyBeth has been working as a veterinary technician at the PKAMC since 2002, and was promoted to Head Technician/Practice Manager in 2011. She brings 20+ years of experience in the veterinary field to our practice, and has become an integral member of our team. She lives in Northern, MA with her husband and a menagerie of adopted cats and dogs.

Morgan Sullivan

Morgan Sullivan copyMorgan joined the PKAMC team in 2015 as an intern from Great Bay Community College. She has since been hired to our staff as a certified veterinary technician. In her free time she enjoys volunteering at local feral cat spay/neuter clinics. She also enjoys skiing, camping and hiking with her family. She lives on the NH seacoast with her husband Ryan, daughter Brinley, cat Tsetse and 2 dogs Dakota and Ilsa

Morgan Ridzon

Morgan RidzonMorgan joined the PKAMC team in 2017. She brings over 6 years of experience with animals, small, large and exotics. Morgan’s smiling face and cheerful attitude brightens everyone’s day. A Connecticut transplant, she now lives in southern New Hampshire on a small hobby farm where she cares for chickens, goats, her horse, dogs and cats. In her spare time Morgan enjoys playing softball, field hockey hiking, and showing her horse.

Keri Carlo

Keri Carlo-copyKeri grew up loving all animals. She found her passion through starting a career in the veterinary field as a receptionist in 2014. She is compassionate about client education and patient care. In her free time, she enjoys fishing for just about everything, but her favorite catch is Northern Pike. She lives in Southern NH with her boyfriend and her cat, Roomba.

Tracy Kisko

Tracy Kisko copyTracy brings more than 20 years of experience as a veterinary technician to our hospital. She is one of a hand full of employees who worked at our original facility in Plaistow, NH. Tracy returned home after a decade of working at animal hospitals around the U.S. We were very happy to welcome her back in 2018.
She lives with her husband and son in Southern, NH. In her spare time she enjoys gardening and socialization with her cats and dogs.

Kim Billcliff

Kin Billcliff




Janet Wallace

Janet & TubsterJanet has been working as the PKAMC’s book-keeper for many years. She is responsible for payroll, accounts payable and receivable, as well as tax data preparation. Her dedication and attention to detail keeps the financial aspects of our practice running smoothly.

Jeremy Wallace

staff_JeremyWallaceJeremy has worked with his father Dr. Wallace for over 20 years. He is the PKAMC’s Property Manager and maintains our facility to the highest standards of cleanliness and safety. His responsibilities include everything from maintaining our floors and plants to snow-removal. Anything that needs to be repaired, replaced or rebuilt then Jeremy is the man for the job. He lives in Southern, NH with his wife, Sarah and four cats.

Sarah Wallace

Sarah WhittenSarah has been working as a receptionist at the PKAMC since 2007 and currently is our head receptionist. She is a compassionate and valued patient care educator for our clients, and enjoys the fast-paced environment at the hospital. Her responsibilities also include maintaining our retail-food supplies and training new reception staff. She lives in Southern, NH with her husband and four cats, and in her spare time enjoys cooking and reading.