Dr. Adam

 Zbigniew  Piaseczny, DVM 

Cornell University

Dr. Adam, the founding veterinarian of Healthy Pets, has dedicated his career to ensuring that pets receive the best care possible while also empowering their owners with knowledge. With experience working in New York, Maine, and the Bay Area, Dr. Adam recognized the need for a veterinary practice that offers a holistic, integrative approach to pet healthcare. His vision to provide a comprehensive range of veterinary medicine modalities became a reality when he opened the doors of Healthy Pets in 2010, serving the diverse needs of Bay Area pet owners.

Dr. Adam’s educational background includes veterinary studies at Cornell University and Caldwell College, with specialized training in nutrition and diet, acupuncture, and herbal medicine. His unique perspective as a “foodie’s vet” drives his passion for advocating fresh food-based diets as a cornerstone of pet wellness. His approach is grounded in thorough, patient, and compassionate care, ensuring that both pets and their owners feel supported every step of the way.

Fluent in Polish, Dr. Adam is committed to creating an inclusive environment where pet health is prioritized with a personalized, integrative approach. Whether through traditional or alternative treatments, Dr. Adam is dedicated to improving the lives of pets while fostering lasting relationships with clients and their beloved animals.

Samantha Tong, DVM

UC Davis

Dr. Samantha is a skilled and compassionate veterinarian with a diverse background in both emergency and general practice. She earned her bachelor’s degree from Dartmouth College and went on to receive her veterinary degree from the University of California, Davis. After completing her veterinary education, Dr. Samantha honed her skills through advanced training in a rotating internship at the Veterinary Medical and Surgical Group.

Her career has taken her across the country, from a year in Dallas, Texas, as an emergency and general practitioner, to three years practicing in New York City. With experience in a variety of fast-paced and dynamic environments, Dr. Samantha brings a well-rounded, thorough approach to her work, ensuring each pet receives the highest level of care.

Originally from Orange County, California, Dr. Samantha enjoys a love of the water, having grown up swimming, playing water polo, and surfing. This active lifestyle and her passion for animals drive her commitment to providing excellent, personalized care for every pet she treats.

Michael Greener, DVM

University of Illinois

Dr. Michael Greener grew up on Long Island, NY, where his passion for animals began early—he started volunteering at his local public animal shelter at just 12 years old. Inspired by this experience, he knew from a young age that he was destined to become a veterinarian.

He earned his bachelor’s degree in Environmental Biology from the State University of New York College of Environmental Science and Forestry (SUNY-ESF) in Syracuse, NY. He then attended the University of Illinois College of Veterinary Medicine in Urbana-Champaign. 

Since 2022, Dr. Greener has been practicing in the Bay Area, working both as a full-time general practitioner and a relief (locum) veterinarian. In 2025, he took dedicated time to deepen his knowledge in dermatology, an area of special interest.

Dr. Greener is committed to building strong, lasting relationships with both his clients and their pets. He focuses on creating a calm, low-stress environment during every visit to ensure the best possible experience for his patients.

A lifelong animal lover, Dr. Greener brings compassion, expertise, and dedication to every aspect of his work.