Emergency hours
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
| Sunday | Open 24 hours |
Before you go
- Call while you are getting ready: describe what happened and ask about the current wait.
- Bring any medication, packaging or plant your pet may have eaten, and your pet's records if they are at hand.
- Expect triage: the most critical patients are seen first, as in a human ER. Full checklist.
What the hospital states on its website
- Intensive care unit“What does a hospital with a critical care (ICU) department provide?” Hospital page
- Emergency surgery“…92780 Visit Site Services: Cardiothoracic Surgery Diagnostic Imaging Emergency Surgery Neurological Surgery Oncological Surgery Orthopedic Surgery PennHIP…” Hospital page
- CT or MRI imaging“…your pet’s condition. Biopsies Blood/urine testing CT Scan Endoscopy MRI Ultrasound Digital X-ray Treatments Our approach to treatment…” Hospital page
- Blood bank or transfusions“…your pet’s quality of life through personalized, compassionate care. Blood transfusions Emergency care Emergency surgery Enteral nutrition and feeding tube…” Hospital page
- Walk-ins accepted, no appointment needed“Care you can count on Walk-ins are welcome.” Hospital page
Shown only where the hospital says so on its own site, quoted as published. A missing item means we found no statement, not that the service is unavailable. Fees and policies change: confirm by phone.
Other emergency hospitals nearby
VCA Orange County Veterinary Specialists
Open now · 24/7VCA Animal Hospitals3021 Edinger Avenue, Tustin, CA 92780ICUEmergency surgeryCT or MRIBlood transfusionVerified November 4, 2026< 1 mile(949) 654-8950BluePearl Pet Hospital Irvine, CA
Open now · 24/7BluePearl Pet Hospital network1371 Reynolds Ave., Irvine, CA 92614Walk-insCareCreditVerified November 4, 20262.8 miles(949) 833-9020Pacific CARE Pet Emergency & Specialty
Open now · 24/72572 White Road, Irvine, CA 92614ICUCT or MRIVerified November 4, 20262.9 miles(949) 653-2846Irvine Valley Veterinary Hospital
Open now · 24/714980 Sand Canyon Ave, Irvine, CA 92618Verified November 6, 20263.7 miles(949) 785-2550Central Orange County Emergency Animal Hospital
Open now · 24/73720 Campus Dr Suite D, Newport Beach, CA 92660ICUEmergency surgeryCareCreditVerified November 4, 20264.9 miles(949) 261-7979
Questions about AVSG Internal Medicine Emergency & Critical Care
- Is AVSG Internal Medicine Emergency & Critical Care open 24 hours?
- Yes. AVSG Internal Medicine Emergency & Critical Care has an emergency service open 24 hours a day, 7 days a week, according to the hospital website checked on November 4, 2026. Holiday hours can differ: call (949) 653-9300 before you leave.
- What is the phone number of AVSG Internal Medicine Emergency & Critical Care?
- (949) 653-9300. The hospital is at 2965 Edinger Ave, Tustin, CA 92780.
- Do I need an appointment at AVSG Internal Medicine Emergency & Critical Care?
- No appointment is needed, according to its website: “Care you can count on Walk-ins are welcome.”
- What emergency facilities does AVSG Internal Medicine Emergency & Critical Care have?
- Its website mentions an intensive care unit, emergency surgery, CT or MRI imaging and blood transfusions.
Places this hospital serves
- Emergency vet in Long Beach
- Emergency vet in Anaheim
- Emergency vet in Riverside
- Emergency vet in Santa Ana
- Emergency vet in Irvine
- Emergency vet in Huntington Beach
- Emergency vet in Ontario
- Emergency vet in Garden Grove
- Emergency vet in Corona
- Emergency vet in Pomona
- Emergency vet in Fullerton
- Emergency vet in Orange
- Emergency vet in East Los Angeles
- Emergency vet in Costa Mesa
Where this listing comes from
- Hospital website, source page, checked November 4, 2026: “949-653-9300 24/7 emergency services Emergencies & Urgent Care Delivering world-class veterinary care, close to home, 24/7.”
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