Meet our Veterinarians

Learn Who We Are

  • biography
    Dr. Wonjae Lee

    Dr. Lee is a licensed California veterinarian with more than 15 years of practice experience. He earned his veterinary degree from Seoul National University in South Korea and continued his studies at Oklahoma State University, School of Veterinary Medicine.

    He joined Blue Cross Pet Hospital in 2009 after practicing in several general and emergency hospitals in Michigan, Oregon and the South Bay.  He is an active member of the California Veterinary Medical Association and the American Veterinary Medical Association.

    His special interests include preventive medicine, soft tissue surgery, dentistry, dermatology, and geriatric care.  He prides himself on providing personalized individual care to each of his patients, treating each as his own.  In his free time, he enjoys hiking, cycling, playing tennis and spending quality time with his wife, two kids and his cat, Tuaca.

    'At Blue Cross Pet Hospital we are committed to providing outstanding care and service that the people of San Francisco can rely on, and have been for over 90 years. Beyond first rate pet care, we make our clinic comfortable, pet-friendly, and a very calm environment. At Blue Cross Pet Hospital, we treat your pets like valued family members.'

    -Wonjae Lee, DVM

  • Dr-Guyrry-Kim
    Dr. Guyrry Kim

    Dr. Kim was born and raised in Seoul, South Korea. She came to the United States when she was 15 years old and went to high school in Pennsylvania. She graduated from Michigan State University with a B.S. in Zoology. Afterwards, she attended and graduated from Ross University School of Veterinary Medicine. Dr. Kim has a special interest in Internal Medicine, Surgery and Neurology. 

    Dr. Kim has a Chihuahua named Momo who currently resides in South Korea with her parents. In her spare time, she enjoys board games, playing video games, participating in escape rooms, and traveling.

  • biography
    Dr. Calvin Ho

    Dr. Ho was born in New York and raised on Long Island. He graduated from Northwestern University with a B.A. in Psychology. Afterwards, he attended and graduated from Cummings School of Veterinary School at Tufts University. Dr. Ho has a special interest in Internal Medicine and Surgery. 

    Dr. Ho has a cat named Zara who currently resides with him in San Francisco. in his spare time, he enjoys hiking, attending trivia nights, and exercising at the gym.

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Office Hours


8:00 am - 6:00 pm


8:00 am - 6:00 pm


8:00 am - 6:00 pm


8:00 am - 6:00 pm


8:00 am - 6:00 pm


8:00 am - 6:00 pm