Santa Rosa 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.

  • Rachel Castellanos

    Medical Director

    Dr. Rachel Castellanos grew up in Central Florida and Southern California. She graduated from Cal Poly San Luis Obispo with a B.S. in Biological Sciences in 1995. She then graduated as a veterinarian

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  • Kenneth Hartley

    Staff Veterinarian
    Veterinary School: University of California, Davis

    Kenneth Hartley, D.V.M grew up in the Southern California town of Manhattan Beach. He attended California State University, Long Beach and graduated in 1970 with a bachelor’s degree in Zoology.

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