About GVS

Welcome to Guardian Veterinary Specialists!

An exciting and innovative "community-centric" veterinary emergency, critical care and specialty hospital is opening soon!

Guardian Veterinary Specialists, a new 29,000 square foot advanced emergency, critical care and specialty hospital is now open! Located at 4 Hardscrabble Heights in Brewster, NY, our facility serves referring primary care veterinarians and pet owners in Putnam, Dutchess, Westchester, Orange, Rockland, and Bronx counties in New York, Fairfield County in Connecticut, and beyond. Equipped with the latest diagnostic and treatment technologies, the facility offers comprehensive services in virtually all veterinary disciplines, including Emergency and Critical Care 24/7/365, as well as specialty services in Internal Medicine, Surgery, Neurology, Oncology, Cardiology, Ophthalmology, Dermatology, Rehabilitation, Diagnostic Imaging, Dentistry, Integrative Medicine, Behavior, and Counseling.

Guardian Veterinary Specialists is founded by Jason Berg, DVM, DACVIM, a highly respected, board certified neurologist and internist with over 22 years’ experience in practice and as a veterinary business founder and owner. The recipient of numerous awards, a published author and much sought after lecturer, Dr. Berg has also received much recognition for his compassionate work with animal shelters and the rescue community.

Dr. Berg welcomes calls from community veterinarians to discuss patient cases, and he is on call 24/7 for all neurological emergencies. To contact us or schedule a client/patient appointment, please call 914-704-3400. Dr. Berg provides comprehensive neurology and internal medicine services for referring veterinarians, their clients and patients. Services include: consultations, neurosurgery, MRI, CT, EMG, endoscopy, ultrasound, outpatient ultrasound, among other services. Please don’t hesitate to reach out to Dr. Berg for questions or any type of assistance. He’s here to help and happy to speak with you!

Visit Dr. Berg’s professional website www.drjasonberg.com to learn more about Dr. Berg’s specialty services and work!

Staffed by only the most dedicated and compassionate board certified veterinary specialists, licensed veterinary technicians and expertly-trained support staff, Guardian Veterinary Specialists’ fundamental mission is to provide community-centric service for every client. Our clients are the center of our focus, and our goal is to consistently provide only the most positive experience for them.

To ensure that we meet all of our patient, client and referring veterinarian’s needs with unsurpassed medical expertise and advanced technology under one roof, our 2-level hospital houses 3 surgery suites, 14 examination rooms, a large intensive care unit (ICU), isolation ward, dedicated suites for chemotherapy, dentistry, physical therapy with hydrotherapy center, endoscopy, MRI, CT, fluoroscopy, ultrasound, digital x-ray, a complete in-house diagnostic laboratory and on-site pharmacy. In addition, for our feline patients’ comfort and safety, we will have a dedicated feline ward and waiting area.

All of us at Guardian Veterinary Specialists are very excited, and we’re looking forward to serving our community veterinary colleagues, pet parents and their pets!

Guardian Veterinary Specialists 
4 Hardscrabble Heights 
Brewster, NY 10509 


Our Locations

Guardian Veterinary Specialists
24/7 Emergency and Specialty Care
Guardian Veterinary Emergency Orange County
Night, Weekend & Holiday Emergency Care
Mon6:00 PM. – 7:00 AM
Tue6:00 PM. – 7:00 AM
Wed6:00 PM. – 7:00 AM
Thu6:00 PM. – 7:00 AM
Fri6:00 PM – Monday 7:00 AM
Sat24 hours
Sun24 hours
Holiday24 hours
Armory Dog & Cat Hospital

Routine Health Care & Emergency Services

Mon9:30 AM – 7:00 PM
Tue9:30 AM – 7:00 PM
Wed9:30 AM – 5:00 PM
Thu9:30 AM – 7:00 PM
Fri9:30 AM – 7:00 PM
Sat9:30 AM – 5:00 PM