Portland 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.

Showing 1-10 of 11
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  • Chris Bonnell

    Medical Director
    Board Certification: DABVP
    Veterinary School: Colorado State University

    Dr. Bonnell is a 1983 Colorado State graduate. She has practiced veterinary medicine in the Portland area for 17 years and has been at SEPAH for 14 years. Prior to Portland, Dr. Bonnell practiced

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  • Rodney Both

    Medical Director
    Veterinary School: University of Minnesota

    Dr. Both joined SEPAH 20 years ago! He enjoys surgery cases, both soft tissue and orthopedics.


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  • Anne Currah

    Associate Veterinarian
    Veterinary School: Oregon State University


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  • Danielle Rockstad

    Associate Veterinarian
    Veterinary School: University of Missouri

    Dr. Rockstad joined SEPAH as one of our emergency room doctors in 2004. Recently she moved to our evening shifts to allow more case management and follow up with her clients. Dr. Rockstad shares her ...
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  • Jennifer Holmes

    Associate Veterinarian
    Veterinary School: University of Georgia

    Dr. Holmes is a 1998 University of Georgia graduate. She has been part of our SEPAH team for 11 years. She enjoys feline and emergency medicine. Dr. Holmes is trained in advanced ultrasonography through ...
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  • Valori Johnson

    Associate Veterinarian
    Veterinary School: University of Wisconsin-Madison
    Graduate School: Wisconsin-Madison

    Dr. Valori Johnson is a 2004 graduate of the University of Wisconsin-Madison. She completed an internship at Michigan Veterinary Specialists before joining SEPAH in 2006.  Her family currently

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  • Julie Bitz

    Associate Veterinarian
    Veterinary School: None


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  • Kate Larson

    Associate Veterinarian
    Veterinary School: Oregon State University

    Dr. Kate Larson attended veterinary school at Oregon State University. She completed an internship in small animal medicine and surgery at the Animal Medical Center in New York City. Dr. Larson joined

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  • Petra Ost, Staff Surgeon

    Associate Veterinarian
    Board Certification: DACVS
    Veterinary School: University of Giessen, Germany

    Dr. Ost is a 1980 graduate of the University of Giessen in Germany and completed her residencey in 1982. Dr. Ost completed her surgical residency at Ohio State University in 1985.
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  • Jonathan Plenn

    Associate Veterinarian
    Veterinary School: Ohio State University

    Dr. Jonathan Plenn joined SEPAH in the Fall of 2014 after two years working in the Portland area as a general practitioner.  He is a 2011 graduate of The Ohio State University, College of Veterinary

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Showing 1-10 of 11
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