• Slideshow01
    Here For You

    Our IM Experts Are STILL Always Available
    To Help You Take Care Of Your Pet.

    Our Hospital remains open 24 hours a day for your pet’s needs.
    Our 1st Priority during this difficult time in our community is
    the health and safety of your families and ours while providing excellent
    care to meet your pet’s medical needs. We have instituted new
    hospital protocols based upon CDC recommendations.
    Please give us a call if you need any assistance.  Stay Healthy and Stay Safe.

    Read more

  • Slideshow02

    Meet Our Docs

    50+ Years of IM Experience

    • Cynthia Duesberg, DVM, DACVIM
    • Kerrie Chung, DVM
    • Victoria Vorathavorn, DVM, DACVIM
    • Michelle Cieplucha, DVM
    • Laura Najman, DVM, DACVECC
    • Claude Lessard, DVM

    Read more

  • Afterhours Slideshow

    Need Our Help
    after hours?

    Our Office Welcomes Walk-Ins & Pet Emergencies
    AVSG after hours

    Read more

IM exclusive. IM committed. IM passionate.

As Orange County's only specialty practice exclusively dedicated to providing expertise in Internal Medicine, we're focused on getting to the root of the problem as quickly as possible. Our specific experience, plus the use of sophisticated diagnostic technologies, gives us the ability to select and implement the most practical and effective solutions - because you love your pet, and so do we.
AVIM Inside The Advanced Veterinary Specialty Group Building

AVIM Inside The Advanced Veterinary Specialty Group Building

Just left of the metro station
We're Open 24/7

We're Open 24/7

With the partnership of AVSG after hours | Pet Emergency your pet can be seen by our specialists any time of day.
Our Reception Desk

Our Reception Desk

Please walk in the front doors and check in at the 1st desk on the left.
Pet Exam

Pet Exam

Our specialists have a combined 50 + years of experience in Internal Medicine
In House Diagnostic Imaging

In House Diagnostic Imaging

Providing in house diagnostic imaging and procedures helps us take a more proactive approach to diagnosing and treating your pet.

Our Facility

Take a glimpse into AVIM's daily environment, with a look at the people who provide your pet’s medical care, the technology and services offered, and the love each and every patient receives. Visitors are also welcome to tour the hospital by appointment.



Advanced Veterinary Internal Medicine
2965 Edinger Ave.
Tustin, CA 92780

Business Hours

8 AM - 6 PM

Contact Us

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