Veterinarians
We invite you to explore the biographies of our doctors and learn more about them. Our doctors have a wide variety of backgrounds and interests.
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Dr. Ronald Morein
Dr. Ronald Morein
Medical Director
Veterinary School: University of California, Davis
Dr. Ronald Morein graduated from the School of Veterinary Medicine at the University of California at Davis in 1966. He entered private practice in the San Gabriel Valley working primarily with dogs and ...
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Dr. Cynthia Ribarich
Dr. Cynthia Ribarich
Associate Veterinarian
Veterinary School: Cornell University
Cindy Ribarich, D.V.M. earned her Bachelor of Science degree in Animal Science with Honors from Cornell University’s College of Agriculture and Life Sciences. In 1991, she was conferred the degree of ...
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Dr. Denise Bierens
Dr. Denise Bierens
Associate Veterinarian
Veterinary School: Ross University School of Veterinary Medicine
Dr. Denise Bierens was born and raised in Canada. She went to veterinary school at Ross Uiversity and completed her clinical training at the University of Missouri. Dr. Bierens worked for two years at ...
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Dr. Gregory Hargenrater
Associate Veterinarian
Veterinary School: University of California, Davis
Dr. Hargenrater graduated form the University of Southern California with degree in Biology and Chemistry in 1998. He then went on to attend the school of Veterinary Medicine at UC Davis, tracking in small ...
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Dr. Kelly Pai
Dr. Kelly Pai
Associate Veterinarian
Veterinary School: Tuskegee University
Dr. Pai received her doctorate of Veterinary Medicine from Tuskegee University, Alabama in May 2001. She has since been practicing in Southern California after her graduation. Dr. Pai shares a home with ...
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Dr. Randy Coran
Dr. Randy Coran
Associate Veterinarian
Veterinary School: None
Dr. Coran grew up in Southern California. He is a graduate of Lakewood High School, Long Beach City College and obtained a B.S. in microbiology at Long Beach. Dr. Coran did 1 year of internship at Grossmont ...
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Dr. Roberto Marchan
Dr. Roberto Marchan
Associate Veterinarian
Veterinary School: Ross University School of Veterinary Medicine
Dr. Roberto Marchan was born and raised in San Juan, Puerto Rico. He went to veterinary school at Ross University and completed clinical training at the University of Missouri. Dr. Marchan worked for two ...
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Dr. Ryan Smith
Dr. Ryan Smith
Associate Veterinarian
Veterinary School: Western University of Health Sciences
Graduate School: University of Minnesota, Twin Cities
Ryan Smith graduated from the College of Veterinary Medicine at Western University of Health Sciences. Following veterinary school, Ryan completed a 1-year rotating internship in small animal surgery and ...
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