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18 Years
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Your Trusted Veterinarians in Columbia, NJ
At Animal Mansion Veterinary Hospital, we treat your pets like our own. Our two-vet practice ensures personalized care, with doctors who get to know your pets and their unique needs. Located in the historic Hainesburg Mansion, we combine Victorian charm with state-of-the-art medical technology to provide exceptional veterinary care. Our team brings decades of experience in small animal medicine, surgery, and diagnostics, ensuring your pet receives the highest quality treatment. We offer 24/7 emergency services for our patients, with appointments available during regular business hours. Our commitment to advanced diagnostics, including digital x-ray and ultrasound, allows for immediate results and timely treatment.

We specialize in wellness exams, senior pet care, laser therapy, and surgical procedures, with a focus on compassionate, individualized attention. Our practice manager and dedicated staff have been with us for years, creating a stable, knowledgeable team that treats every pet like family. The historic Hainesburg Mansion, built in 1828, provides a unique, home-like environment where pets feel comfortable while receiving top-tier medical care. We are proud to serve the Columbia, NJ community and surrounding areas with reliable, expert veterinary services.
Services
Laser Therapy Surgery Radiology Wellness Exams Senior Wellness Advanced Diagnostics Emergency Care Digital X-ray Ultrasound Pet Boarding
Details
  • Year established: 2008
Highlights and features
  • We offer 24/7 emergency care for established patients
  • Our team includes veterinarians with 20+ years of small animal experience
  • We utilize state-of-the-art diagnostic technology for immediate results
  • Our practice combines historic charm with modern veterinary medicine
  • We provide personalized care through a two-vet practice model
Services
Laser Therapy
Our Diowave laser therapy reduces post-surgical swelling, treats arthritis, and accelerates healing through non-invasive technology. This pain-free treatment option works by stimulating cellular activity to decrease inflammation and promote tissue regeneration. Ideal for pets recovering from surgery or managing chronic conditions, our laser therapy provides targeted relief without medication.
Surgery
We perform routine and complex surgical procedures including neutering, intestinal obstruction removal, and select orthopedic operations. Our surgical team utilizes modern anesthetic protocols and monitoring equipment to ensure patient safety. For specialized cases, we coordinate with board-certified specialists while maintaining continuity of care for your pet.
Radiology
Digital x-ray and ultrasound technology enable rapid, accurate diagnosis of internal conditions. Our imaging systems produce high-resolution visuals for evaluating skeletal structures, organ systems, and soft tissue abnormalities. Immediate image availability allows for prompt treatment decisions during emergency situations or routine diagnostic evaluations.
Wellness Exams
Comprehensive wellness visits assess your pet's overall health through physical examinations and preventive care recommendations. These regular evaluations help detect early signs of disease and maintain optimal health through vaccination programs and parasite prevention. Tailored to each life stage, our wellness approach emphasizes proactive healthcare management.
Emergency Care
24/7 emergency services provide critical care for pets experiencing trauma, poisoning, or acute illness. Our on-call veterinarians handle urgent medical situations with immediate diagnostic capabilities and life-saving interventions. Emergency patients receive priority scheduling to ensure timely treatment during after-hours medical crises.
People
Dr. Jon Bertoldo
Founder & Veterinarian
Dr. Bertoldo graduated from Cornell University in 1994 and has specialized in small animal medicine for 20 years. He established Animal Mansion Veterinary Hospital in 2008 after practicing in New York and New Jersey. His interests include photography, vintage cars, and equine activities.
Dr. Shelley Parker
Veterinarian
Dr. Parker joined the team in 2021 with expertise in surgery and dental procedures. A Rutgers and Ohio State University graduate, she brings 20 years of veterinary experience and a passion for compassionate care. She competes in equestrian events with her son.
Dr. Emily Rodier
Veterinarian
Dr. Rodier graduated from Kansas State University in 2025. She specializes in surgery and neonatal care, with four years of emergency medicine experience. She enjoys hiking and powerlifting, and owns multiple pets including chickens.
Elyse Conway
Practice Manager
Elyse has managed operations since 2019 and worked with Dr. Bertoldo since 2007. She oversees staff training and patient care while maintaining her technical skills. Known as the practice's 'rock,' she cares for horses and enjoys family time.
Questions
What veterinary services do you offer?
We provide comprehensive services including wellness exams, surgery, laser therapy, radiology, and 24/7 emergency care using state-of-the-art diagnostic equipment.
Are you available for pet emergencies after hours?
Yes, Dr. Bertoldo provides 24/7 emergency care for our established patients. Call our main line at 908-496-0009 for urgent assistance.
What are your regular business hours?
Monday-Thursday 8:00 AM - 6:00 PM, Friday-Saturday 8:00 AM - 5:00 PM. Appointments start at 9:00 AM on regular business days.
Where is your veterinary hospital located?
We're located in the historic Hainesburg Mansion at 188 Main Street, Columbia, NJ 07832, serving the surrounding communities.
What makes your practice unique?
Our combination of historic charm, personalized two-vet practice model, and advanced medical technology creates a distinctive environment where pets receive both compassionate care and cutting-edge treatment.