Dr. Randall Aten

DVM, Owner

Dr. Randall Aten is the owner of Corona del Mar Animal Hospital since 1992 and has been practicing in the Newport Beach area since 1987. Dr. Aten was born and raised in a small town in central Illinois. He originally thought of staying down on the farm, but as his education progressed he decided the challenges of small animal medicine were more rewarding. Dr. Aten graduated from Wabash College in Indiana with a B.A. in Biology and received his D.V.M. degree in 1982 from the University of Illinois.
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Dr. Liz Hanson


Dr. Liz Hanson was born and raised in Southern California. After completing a B.S. degree at the University of California at Davis, she attended Colorado State University School of Veterinary Medicine. Following graduation in 1995, she moved back to Southern California and has enjoyed practicing small animal veterinary medicine in Orange County ever since. Her areas of interest include internal medicine, dermatology, soft tissue surgery, and wellness programs.
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Dr. Carissa Cruz


Doctor Carissa Cruz-gsell is originally from Los Angeles, but attended the University of California, Irvine for her undergraduate degree in Biological Sciences.
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Our technicians are crucial in assisting the doctors to make sure your pet is given excellent medical care. They are involved with taking x-rays, collecting blood samples, placing IV catheters and ensuring that your pet’s medical condition receives professional care and oversight.


These are the first faces that you will meet coming to Corona del Mar Animal Hospital. These receptionists have many years of experience and will make sure your visit is friendly, caring and efficient for you and your pet. They have the knowledge and training to assist you with your pet’s needs.

Kennel & Grooming Staff

These experienced staff members have been caring for the needs of pets at Corona del Mar Animal Hospital for over 20 years. They have a great respect for your pets and realize their importance as a family member. Our groomers, Nini and Rocci, will provide gentle handling and care during your pet’s grooming experience. Our boarding staff will give personal attention to each pet including daily outside potty breaks, providing premium diets and clean facilities.

Contact Us

Corona Del Mar Animal Hospital


2948 E Coast Hwy Corona del Mar, CA 92625

Clinic Hours

Monday, Wednesday, Friday: 7am-5:30 pm
Tuesday and Thursday: 7am-7pm
Saturday: 7am-1pm, Sunday: Closed