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Our Practice

We are a full-service animal hospital providing comprehensive pet healthcare services in the heart of downtown Portland, OR. Our veterinarians offer a wide variety of medical, surgical, and dental services. Our hospital has advanced equipment and technologies, including comprehensive in-house testing for accurate diagnosis, digital x-ray, surgical suites, dental suites, and a pharmacy. We are committed to providing quality care at every stage of your pet's life. From routine preventive care to early detection and treatment of a wide range of conditions and diseases, we have the expertise to provide the highest standard of care for your pet. We also serve clients from Vancouver, WA, Milwaukie, Beaverton, Lake Oswego.

  • Dr. Stacey Martzall

    Chief of Staff + DVM

    Dr. Stacey Martzall was born and raised in Longview, Washington. She attended the University of Portland for her undergraduate degree in Biology and attended the College of Veterinary Medicine at Washington State University. Dr. Martzall worked in Longview at several hospitals over the years. She also worked at the Humane Society for many years and developed a low-income spay/neuter clinic at that location. She came to Heartfelt Veterinary Hospital in March of 2019 and became the medical director in October. She also works several times a month for the Feral Cat Coalition in Portland as a high volume spay/neuter surgeon. Her special interests in veterinary medicine are geriatrics and internal medicine. Her favorite part of the job is interacting with people and helping them to understand and participate in the care of their animals. She is an avid fan of live theater, especially musicals. She loves to travel, especially to visit friends in Mexico. She also loves to cook, do embroidery and many other crafts, and also enjoys swimming and working out.

  • Dr. Rebecca Sullivan

    Doctor

    Dr. Rebecca Sullivan was born and raised here in Portland, Oregon. She earned her undergraduate degree at Colorado College and later went on to complete her veterinary degree at Oregon State University. Dr. Sullivan’s special interests in veterinary medicine include dentistry, behavior, pain management, and improving quality of life for senior pets. She enjoys keeping up on recent advances in veterinary medicine to help her patients live healthier, happier lives. In her free time Dr. Sullivan enjoys hiking, backpacking, kayaking, mushroom-hunting, gardening, and ceramics. Dr. Sullivan is the caretaker of a Chihuahua named Pistachio as well as various freshwater fish and shrimp.

  • Dr. Lisa Douglas

    Doctor

    Dr. Lisa Douglas was born in Belgium but has spent the majority of her life exploring the Pacific Northwest. She studied at Oregon State university where she first earned her undergraduate degree in Animal Science with honors. She then went on to complete her degree in veterinary medicine at Oregon State’s veterinary school. Dr. Douglas came to Heartfelt Veterinary hospital in June of 2023, and is certified as a fear free and cat friendly practitioner through the American association of feline practitioners. Her special interests in veterinary medicine include animal behavior and diagnostic imaging. Dr. Douglas’ favorite part of the job is making the clinic a fun, stress free place for pets to get the care they need and the love they deserve. She spends her days off partaking in different dog sports with her own dog Annie, or finding new hikes to explore. On rainy days Dr. Douglas enjoys cuddling with her two cats at home.

  • Kimi

    Hospital Manager

    Kimi was born and raised in the PNW. She is a certified veterinary technician who has been in the veterinary field for over 25 years and has worked every support staff position in the Veterinary Hospital. She took over the management role at Heartfelt in 2021 and has enjoyed every moment of it, especially meeting clients and their adorable companions. She lives with her husband, 6 kids, 2 dogs and three cats. When she isn’t working or attending kids sporting events, she loves to kickbox, play tennis and spend time with her husband and friends.

  • Kitty

    Assistant Hospital Manager

    Kitty is the assistant manager at Heartfelt and has been with us since 2017. She is happiest when she is holding cranky old cats or giant bully breed dogs. She has made some amazing relationships with our staff and awesome clients. In her spare time she enjoys going to local dives in Portland to watch live music. If you see her out and about, she would love for you to stop and say hello!

  • Jess

    Veterinary Assistant

  • David

    Veterinary Assistant

  • Dee

    Veterinary Assistant

  • Cela

    Licensed Vet Technician

  • Maddy

    Licensed Vet Technician

  • Jane

    Client Care Representative

  • Thea

    Client Care Representative

  • Allison

    Client Care Representative

  • Ariana

    Client Care Representative