San Jose 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.

  • Devin Johnsen

    Associate Veterinarian
    Veterinary School: University of California, Davis

    Dr. Devin Johnsen attended Pomona College for her undergraduate degree in Biology. She then studied equine locomotion at California State Polytechnic University, Pomona and received her Master’s

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  • Leejoan Ma

    Associate Veterinarian
    Veterinary School: Kansas State University

    Dr. Leejoan Ma finished her undergraduate work at UC Davis and graduated from Kansas State with her DVM in 2005.  She started with VCA in the fall of 2005 and has been with us ever since! 

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  • Katherine Mezan

    Associate Veterinarian
    Veterinary School: Massey University Veterinary School

    Dr. Kate Mezan grew up in New York.  She completed her undergraduate degree at Stanford University, where she promptly fell in love with the Bay Area and California weather.  Seeking an

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  • Karen Miyamoto

    Associate Veterinarian
    Veterinary School: University of California, Davis

    Dr. Karen Miyamoto graduated from UC Davis in 2002 and joined VCA in 2004.  At home she has 2 dogs, Jersey and Barley that keep her busy.  But she isn't limited to dogs.  Dr. Miyamoto

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  • Heidi Stiehl

    Associate Veterinarian
    Veterinary School: University of Wisconsin-Madison

    Dr. Heidi Stiehl grew up in Colorado, Wyoming and Germany.  She received her undergraduate degree from the Massachusetts Institute of Technology (MIT), followed by her veterinary degree at the

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