Crossroads Animal Hospital

123 Nashua Road
Londonderry, NH 03053


Marissa Grove, DVM, CVMA

Dr. Grove graduated from Colorado State University. She is a Certified Veterinary Medical Acupuncturist and enjoys integrating it into pain management for our senior patients. She is an integral part of our team and we are lucky to have her. She has a domestic short haired cat, Poppy, a Labrador mix named Charlotte.



Kayla Kulhanek, DVM

Dr. Kulhanek graduated from the University of Missouri and joined our team right away! Her passion is surgery and she is always up for a challenge.  We are very lucky to have her as she is a smart, positive member of our staff. She has two cats, Eeyore, and Koli and a Golden Retriever named Graham.   



Kelly McCarthy, VMD 

Dr. Kelly McCarthy graduated from the University of Pennsylvania and moved to New Hampshire to join our staff. She enjoys neurology and surgery. We are fortunate to have her on our team! She lives with a domestic short haired cat from wild West Philadelphia named Cisco, a domestic short haired cat named Hamilton whom she adopted when she moved to NH and a Nova Scotia Duck Tolling Retriever named Fender. 



Tom Insalaco, DVM

Dr. Insalaco joined the Crossroads team in October 2019. He graduated from Auburn University College of Veterinary Medicine in 2004. After graduating, he did a one-year internship in emergency medicine and surgery at Angell Animal Medical Center in Springfield, MA. Then, he moved back to Western New York, where he is from, and practiced there for 5 years, doing a mixture of emergency medicine, general practice and surgery. From there, he moved to Southington, CT where he worked in general practice and was medical director. He was there for 5 years before moving to NH where he has been practicing ever since. He has a special interest in pain management and care of senior pets. We are so lucky he chose our hospital to work at because he's dedicated to helping our clients keep their best friends happy. He has 3 domestic short haired cats named Lucy, Phil and Waldo.

Troy Huelle, DVM

Dr. Huelle grew up in Omaha, NE. He began working with animals initially as a volunteer at Omaha’s Henry Doorly Zoo, which eventually turned into a job as a zookeeper. Dr. Huelle graduated from Kansas State University College of Veterinary Medicine in 1999. After graduation, he and his family moved to New Hampshire where they could have vacation areas all around them. Whenever he is not at work, Dr. Huelle often spends time up in the White Mountains or visiting New Hampshire wineries. Dr Huelle and his wife Lin have 2 dogs, Penny & Dexter, & 2 cats, Catsby & Holly.



Robin Hertel, DVM

Dr. Robin Hertel opened Crossroads Animal Hospital in 1989. He graduated from Colorado State University. He decided to go to veterinary school after getting a dog of his own because he wanted to know how to best take care of her. He loves his job and his patients and is passionate about educating his clients on how to care for their pets. He has a Maltese mix named Buddy.   

Photo credit to Michelle Peters at