Dr. Thomas Zehnder received his Doctorate of Veterinary Medicine from the University of California at Davis in 1979. After two years of dairy and small animal practice on the north coast of California, Dr. Zehnder returned to his hometown of Elk Grove. In 1984, Dr. Zehnder took over ownership and management of Bradshaw Veterinary Clinic along with Dr. Michael Johnson. With their combined 60 years experience in the profession, they have designed and developed the Franklin Ranch Pet Hospital to be one of the most advanced in the industry. In addition he is a Fear Free Certified Professional. Dr. Zehnder is married with 4 children. His outside interests include golf, tennis, waterskiing, snow skiing, and horseback riding. His goal is to offer the Elk Grove/Laguna area unsurpassed service and comfort for their pets.

Dr Mike Johnson was born in New York and raised in Modesto. He graduated from UC Davis School of Veterinary Medicine in 1977. After graduation, he worked at Bradshaw Veterinary Clinic which he, and Dr. Zehnder, later purchased. Together, Dr. Johnson and Dr Zehnder ran Bradshaw Veterinary Hospital for over 20 years growing it to one of the largest, and most advanced animal hospitals in the greater Sacramento area. After selling Bradshaw in 2005, he and Dr. Zehnder used their experience to design and develop Franklin Ranch Pet Hospital.

Today, Dr. Johnson works as an integral part of Franklin Ranch’s team of highly skilled doctors. He enjoys all aspects of veterinary medicine but he especially enjoys practicing:

• Surgery
• Reproductive Medicine
• Internal Medicine
• Orthopedics

Outside of work, Dr. Johnson enjoys hanging out with his four adult children and their families.

Dr. Samantha Hunt was born in Southern California, but grew up here, in Elk Grove. She received her Bachelor of Science degree in Animal Science from the University of California at Davis in 2006. Samantha started working in the Veterinary field in 2004 and continued to work as a Veterinary Technician for 7 years until she was accepted into Veterinary School. She also worked in a research lab at UC Davis for several years prior to her acceptance into veterinary school. She received her Doctorate of Veterinary Medicine from the University of California at Davis in 2015.

Dr. Hunt’s veterinary interests include: preventative medicine, ophthalmology, internal medicine and behavior. She lives in West Sacramento with her fiancé and three cats (Ricky, Lucy and Nina). Outside of work, she enjoys spending time with family and friends, traveling, dancing (especially Latin ballroom), watching movies, and playing sports.

Dr. Emily O’Connell (Sutton) was born and raised in Chico, California. Her participation in both 4-H and FFA during her childhood fueled her love of veterinary medicine and her decision to obtain a Bachelor’s degree in Animal Science from California State University, Chico. After spending a few years honing her skills as a veterinary technician, Dr. O’Connell was accepted to the University of Illinois in Champaign-Urbana and completed her Doctorate of Veterinary Medicine. During her veterinary education, Dr. O’Connell developed a passion for animal behavior. In addition to training under a veterinary behaviorist during school, she is also Fear Free certified and an advocate for low stress handling and cooperative veterinary care.

Dr. O’Connell, while not a board-certified behaviorist, is pleased to offer behavior consultations for common behavior concerns, including:

• Breed and adoption consultations prior to getting a new pet
• New pet acclimatization and cooperative care methods, including concerns for inappropriate behavior in the veterinary hospital setting
• Separation related anxiety behaviors
• Resource guarding
• Inter-housemate relationship concerns
• Inappropriate social behavior concerns, including leash reactivity
• Aggression considerations and interventions
• Cognitive decline and aging pet health concerns
• Identification of behavior concerns that may require consultation with a veterinary behaviorist

Dr. Shelby Rush was born and raised in Elk Grove, California. She attended Oregon State University and earned her bachelor’s degree in Animal Science. She was then accepted into the School of Veterinary Medicine at St. George’s University in Grenada, West Indies. For her final year of veterinary school she traveled to Colombia, Missouri to complete her clinical rotation with the class of 2020. Her interests include dentistry and large animal medicine. She enjoys playing tennis, hiking with her 3 dogs, and gardening. She has a soft spot for Mastiffs, Corgis, and mutts. 

Dr. Khushboo Attarwala was born in India and moved to Pennsylvania as a teenager. She completed her undergraduate education at Pennsylvania State University, where she majored in Biology and Veterinary Science. Seeking to escape the cold winters, she decided to move to California, where she received her veterinary degree at UC Davis. She fell in love with California and decided to stay in the Sacramento region after finishing vet school.

She is Fear-Free certified and has been passionate about working with animals since she was a kid. She is dedicated to creating a welcoming and collaborative environment for her clients and patients. Outside of work, her interests include traveling, hiking, reading, and painting.

Dr. Hack (They/Them) was born in St. Louis Missouri, where they found a love of animals of all species working with an exotics veterinarian during high school and summers in college. They moved to Minneapolis to pursue a bachelor degree in biology at University of Minnesota, then finally here to California to attend veterinary school at UC Davis, earning a Doctorate in Veterinary Medicine in 2020. Dr. Hack joined the Franklin Ranch team in 2021.

Dr. Hack is Fear-Free certified, and is passionate about helping clients feel they can make an informed decision about their pet’s health as the core of their pet’s care team. Dr. Hack is passionate about internal medicine, preventative care, and feline medicine. Outside of work, Dr. Hack can be found in Davis spending time with their 3 cats (Mercury, Bebo, and Chroma), playing bass in a local band, rock climbing or skiing on Lake Tahoe, or playing softball in multiple Sacramento leagues.

Dr. McKinstry was born and raised in New York City until she was ten years old. She then moved with her family to Puerto Rico. She completed her Animal Science undergraduate studies at the University of Puerto Rico Mayagüez. She attended Iowa State University College of Veterinary Medicine where she graduated with a Doctorate in Veterinary Medicine in 1994. After graduation, she moved to the Bay Area with her husband. In 2004, they decided to settle in the then-small town of Elk Grove. She joined Franklin Ranch Pet Hospital in its very early years, in 2009.

She enjoys all aspects of veterinary medicine, but her special interests include:

• Geriatric medicine and patient care
• Rehabilitation
• Pain management
• Integrative medicine

 She is passionate about anything that helps improve the quality of life for her patients.

Outside of work, she loves reading, hiking, camping, spending quality time with friends and traveling to learn about different cultures.

Dr. Lennon knew she wanted to be a veterinarian from the age of five when she could properly pronounce the word. Dr. Lennon completed her undergraduate degree in Animal Science at UC Davis, where she was active on the Equestrian Team and in the Vet Aide Club. She obtained extensive experience with large animals and horses, particularly equine reproduction. And became a small animal assistant prior to acceptance to veterinary school.

Dr. Lennon graduated with high honors from the College of Veterinary Medicine at Western University of Health Sciences in Pomona, California. During veterinary school, she developed a passion for shelter and community medicine, serving as president of the student chapter of the Association of Shelter Veterinarians. She was also on the student chapter board for the Society of Theriogenology. She participated in wellness and preventative clinics in Nicaragua and Mexico with World Vets.

Her special interests include dentistry and internal medicine. Dr. Lennon has dogs, cats, horses, goats, chickens, and ducks, and enjoys reading, horseback riding, and spending time with her husband and children on their small farm.