Meet Our Team

We’re there during the tough times.
Who are we?

Private Veterinary Specialties L.L.C provides on-site medical oncology services at 9 different locations for veterinarians and their clients throughout central New Jersey. This unique approach allows some pet owners to stay with their primary veterinarian’s office while their pet is receiving cancer care or be seen at one of our convenient locations.

We provide veterinary cancer consultations, diagnostic procedures, chemotherapy, and immunotherapy. Full lab services are utilized including blood work, flow cytometry, cytology, and histology. Essentially we bring the specialists to you.

Our Experienced Team Can Help

Founder of PVS, Dr. M.J. Hamilton has assembled a talented team of professionals for the practice. Private Veterinary Specialties specializes in pet oncology, however, our team has cared for dogs, cats, horses, and various animal species including those in zoo habitats.

In fact, our expertise extends beyond our area of specialty. So, do not be deterred if your pet is not included on our list. Schedule a consultation with PVS to find out how we can help!

M.J. Hamilton, DVM, DACVIM(O)

M.J. Hamilton, DVM, DACVIM(O)

Veterinarian / Owner

Dr. Hamilton has worked in veterinary medicine his entire life, starting as kennel help at the age of 14. After completing his undergraduate degree in psychology he stayed at Colorado State University to complete his doctorate of veterinary medicine. Dr. Hamilton spent two years in general practice in Las Vegas then went on to start his oncology residency at Michigan State University. As a board-certified veterinary oncologist, Dr. Hamilton has been commissioned to start multiple oncology departments in the northeast, participate in clinical trials and is asked lectures frequently. Dr.Hamilton has been providing oncology care in NJ since 2011 seeing patients most commonly from Hunterdon, Somerset, Warren and Union counties. Dr.H deeply enjoys the bettering the lives of oncology patients and working with their owners to ensure the best quality of life possible. This passion motivated Dr. Hamilton to bring oncology specialty care to the general practice in 2017, allowing pet owners, veterinarians and specialists to work together in one setting. When not at work, Dr. Hamilton enjoys hobby farming and tending to all his critters.
Lanore Baier

Lanore Baier

Lanore has always loved animals and started on her path in the veterinary field at age 16, working after school and Saturdays at a surgical referral orthopedic specialty hospital in Hunterdon County, NJ. Her continued experience has included all aspects of general practice, The Seeing Eye Breeding Center, Emergency medicine and Oncology since 2012. Lanore finds oncology very rewarding because of the continued relationships with the patients and their families during their treatment. Her top priority in the field of veterinary medicine has always been the comfort and care of the patients. Lanore has an especially warm spot in her heart for senior dogs and Boston Terriers. She enjoys music, gardening, and spending quality time with her husband and their dogs. Lanore became Fear Free certified in 2019.
Darlene Greene

Darlene Greene

Darlene has worked in the Veterinary Field as a technician for 14 years in a general practice located in Sussex County NJ. Her experience is in assisting with surgeries, dental and xrays. She especially enjoys interacting with clients and their pets. Darlene believes the client and their pet need to be treated as a team in all aspects of Veterinary Medicine. Darlene has been happily married for 30 years to her husband, Chip. Together they have four children and one grandson. She currently has 2 horses, 4 cats and 1 dog. Some of her hobbies include tending to her horses and knitting small blankets for Ten Lives Cat rescue of Rhode Island.

In his free time, Dr. Hamilton has even provided cancer care for local zoos!

We’ll be with you every step of the way.