Our Doctors

Cynthia Duesberg, DVM, DACVIM

Diplomate, American College of Veterinary Internal Medicine

DVM: University of California, Davis
Internship: Cornell University
Internal Medicine Residency: University of California, Davis

Dr. Duesberg received her veterinary degree from U.C. Davis in 1989.  Upon graduation, she was selected for an internship with Cornell University.  She then completed a 3-year internal medicine residency at U.C. Davis. Following her residency, she served as a U.C. Davis faculty member, instructing both students and residents. She left academia for private practice and has been serving the needs of clients and patients in Southern California since 1996.  As a board certified internist, she has advanced skills in the areas of endocrinology, gastroenterology, hematology, infectious diseases and urology.  She has lectured locally and nationally, and has been published in leading veterinary journals and textbooks. Her detailed and caring approach to each individual client and patient has made her your trusted referral partner of specialty internal medicine care. Dr. Duesberg founded AVIM in September of 2011.

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.


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

Business Hours

8 AM - 6 PM

Contact Us

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