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Our Veterinarians

Dr. Marlayna Barnard is a doctor in our emergency medicine service. She is next to a large brown dog.
Marlayna Barnard
MS, DVM, CVA
Emergency Medicine
Marlayna Barnard
MS, DVM, CVA
Emergency Medicine
Servicing Locations
Dr. Marlayna Barnard’s special interests include anesthesia, surgery and the integration of acupuncture with Western veterinary medicine.
  • Certification, Chi Institute of Traditional Chinese Veterinary Acupuncture, Small Animal
  • Internship, Small Animal Medicine & Emergency, Veterinary Specialists of Rochester, NY
  • Doctor of Veterinary Medicine, Ross University, St Kitts & Nevis, West Indies
  • Master of Science, Anatomy and Neurophysiology, Colorado State University, Fort Collins
Dr. Barnard enjoys traveling, hiking, camping, gardening and family time. She has many pets, including dogs, cats and an African sulcata tortoise.
Dr. Megan Farris is an emergency medicine veterinarian. She is sitting with her arms around a brown and white dog.
Megan Farris
DVM
Emergency Medicine
Megan Farris
DVM
Emergency Medicine
Servicing Locations
Dr. Megan Farris is passionate about continuing education and teaching others about veterinary medicine. She enjoys working on cases relating to internal medicine conditions such as kidney and autoimmune diseases. She is professionally interested in emergency surgical procedures such as foreign body removal and gastric dilatation volvulus (GDV) treatment.
  • Clinical Rotation, Texas A&M University, College Station
  • Doctor of Veterinary Medicine, Ross University, St. Kitts
  • Bachelor of Science, Microbiology, Arizona State University, Tempe
Outside of work, Dr. Farris enjoys outdoor activities with her dog Luna, such as hiking and camping. She also likes to indulge in fictional and personal development books.
Dr. Dino Herrera is a doctor in our emergency medicine service.
Dino Herrera
DVM
Emergency Medicine
An experienced senior emergency clinician, Dr. Dino Herrera’s special interests include traumatology, reconstructive soft tissue surgery and many types of emergency soft tissue surgery.
  • Internship, National Autonomous University of Mexico UNAM, Mexico City
  • Doctor of Veterinary Medicine, University of Veracruz, Mexico
Dr. Herrera grew up in various parts of Mexico and has traveled extensively throughout the United States, Mexico, Central America and Europe. Along with travel, he enjoys photography and spending time with his family and pets, Dante, an English bulldog, and Fernando, a Sphinx cat.
Photo coming soon.
An Nguyen
DVM
Emergency Medicine
An Nguyen
DVM
Emergency Medicine
Servicing Locations
Some of Dr. An Nguyen’s clinical interests include neurology and ophthalmology cases and soft tissue surgeries, such as gastrointestinal obstructions and C-sections.
  • Doctor of Veterinary Medicine, Purdue University, West Lafayette IN
  • Bachelor of Science, Veterinary Science, University of Arizona, Tucson
Dr. Nguyen likes outdoor rock climbing, playing basketball and playing the piano. She has a heeler mix named Rocky.
Dr. Samantha Phillips is a small animal medicine and surgery intern. She is hugging a small tan dog.
Samantha Phillips
DVM
Internal Medicine
Samantha Phillips
DVM
Specialty Intern
Internal Medicine
Servicing Locations
Dr. Samantha Phillips is a small animal internal medicine intern. She has a passion for pet care and enjoys collaborating with her treatment team to devise the best possible solutions for patients.
  • Internship, Small Animal Medicine & Surgery, BluePearl Specialty and Emergency Pet Hospital, Scottsdale AZ
  • Doctor of Veterinary Medicine, Western University of Health Sciences, Pomona CA
  • Bachelor of Science, Biology, Temple University, Philadelphia PA
Dr. Phillips and her husband have several pets: three cats, two ferrets and one tiny tropical fish.
Dr. Jonathan is board certified in veterinary internal medicine.
Jonathan Schnier
DVM, DACVIM
Internal Medicine
Jonathan Schnier
DVM, DACVIM
Board Certified in Veterinary Internal Medicine
Internal Medicine
Servicing Locations
Some of Dr. Jonathan Schnier’s favorite conditions to treat include gastrointestinal, endocrine, infectious, respiratory and urinary/renal diseases. He also enjoys all types of ultrasound procedures.
  • Diplomate, American College of Veterinary Internal Medicine
  • Residency, Small Animal Internal Medicine, Atlantic Veterinary College, Charlottetown, Prince Edward Island, Canada
  • Internship, Small Animal Medicine & Surgery, Southern Arizona Veterinary Specialty and Emergency Center, Tucson
  • Doctor of Veterinary Medicine, Ontario Veterinary College, Guelph Ontario, Canada
With an active lifestyle, Dr. Schnier’s favorite pastimes include running, hiking, alpine skiing, sea kayaking and scuba diving. He and his wife, also a veterinarian, have two sons and a number of pets: two Siberian huskies, one cat, two geckos and a snake.