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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. Sullivan


  • Stacey Martzall – DVM/Medical Director


    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.