Frequently Asked Questions

We know you have many choices in Orange County when it comes to emergency care for your pet. Here are answers to questions we frequently receive about our services and emergency care in general. You are always welcome to call us to learn more. We look forward to serving you.


What are your hours?

We are open 24/7 every day of the year. No appointment is needed.

Do I need to call ahead?

If you need assistance transporting your pet from the car to the hospital, please give us a call at 949.653.9300 when you are on your way so that we can prepare for your arrival. While a call is helpful, it is not necessary.

If you arrive during after hours, please ring the video doorbell at the front entrance. This will alert us to your arrival, and we will be there for you and your pet in an instant. 

Where are you located?

AVSG After Hours is located INSIDE the Advanced Veterinary Specialty Group at 2965 Edinger Avenue in Tustin, CA. Look for the purple sign to the left of the Metro Train Station. We have parking immediately in front of our sliding front entry door for your convenience.

Are there any distinguishing landmarks that will help me locate your facility?

We are to the left of the Metro Station and our entry sign is purple – here is a picture of the outside of our building:


If your pet gets injured, isn’t feeling well, or develops a life-threatening emergency, they need prompt care. We have a dedicated team of individuals on the premises at all times with the experience to care for your pet. All hospitalized patients are closely monitored by trained professionals in our intensive care unit (ICU) with life support measures available.

How do I know if my pet is having an emergency?


Please click here to learn more about when an illness or injury may be an emergency. If you’re not sure, please call us right away at 949.653.9300.


When do I go to my regular veterinarian for an emergency vs. coming to a hospital like AVSG After Hours?


Pet illness and injury can strike at any time. If your pet needs emergency care and your family veterinarian’s office is closed, count on AVSG After Hours to help you 24/7/365. If your veterinarian’s office is open, we encourage you to call them first, discuss the situation, and follow their instructions about coming to see them or going straight to an emergency hospital. If you’re still not sure what to do, or if you don’t have a veterinarian, don’t delay, please call us or come by immediately.

AVSG After Hours 24/7 is part of Advanced Veterinary Specialty Group (AVSG). How does this benefit my pet as compared to other Orange County veterinary emergency centers?

AVSG After Hours is a collaborative effort of Veterinary Surgical Specialists and Advanced Veterinary Internal Medicine. Our surgical and internal medicine teams, led by Diane Craig, DVM, DACVS and Cynthia Duesberg, DVM, DACVIM help support all of the special patients we see. AVSG is also home to specialists in Oncology, Dermatology, and Dentistry. Knowing that our ER team has direct access to all of our specialists brings a peace of mind and ensures your pet will receive the most advanced care at any hour.

My pet sees the team at Advanced Veterinary Internal Medicine. Shouldn't I just wait for them to get in tomorrow morning?

Well, that depends on your pet and the symptoms that your pet is having. Every patient is different – the best thing is to CALL US NOW when in doubt. You can call the main line for AVIM at 949.653.2846 or AVSG After Hours line at .949.653.9300, 24/7. We are here to answer your questions!

What is a board-certified specialist? How does that differ from my regular veterinarian?

Just as in human medicine, veterinarians can choose to specialize. It requires extensive training that includes four years of veterinary school, plus a one-year internship, and a two- to three-year residency in their chosen specialty. They must then publish original research and pass a national exam certifying their expertise. After completing these requirements, the veterinarian is granted Diplomate status, and is considered ‘board certified’ or a specialist, signifying his or her expertise and credentials in a chosen specialty. AVSG is home to specialists in Surgery, Internal Medicine, Oncology, Dentistry, Emergency/Critical Care, and Dermatology. Our ER team works closely with all of our specialists around the clock.

A primary care or family veterinarian has earned a veterinary degree after four years of schooling and focuses on general preventive care and pet wellness. They refer to and partner with appropriate specialists when advanced care is needed.

Payment Information

How much do you charge?

Each patient’s situation is assessed uniquely. You will always be told how much consultations and/or treatments will cost before it’s provided.

Do you offer financing?

We offer many choices for payment including financing through CareCredit andScratch Pay. CareCredit and Scratch Pay are third-party payment plans for qualified applicants.

CareCredit applicants may apply online at or by calling 800.365-8295.

Scratch Pay applicants may apply online at or by calling 213.394.0161.

Do you accept pet insurance?

Yes, we do. And we will be happy to assist you in processing any forms required by the insurance company to receive funds. You will be required to pay AVSG After Hours at the time of service and submit the claim to the insurance company, and they will reimburse you the amount allocated by your plan. Please let us know if we can help.

Please call us any time so we can answer other questions you may have. Sometimes we can help you make a decision about whether or not your pet should be seen right away or if it can wait until the morning. We look forward to helping you!