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.
Photo coming soon.
Jared Brethouwer
DVM
Emergency Medicine
Jared Brethouwer
DVM
Emergency Medicine
Servicing Locations
Dr. Jared Brethouwer enjoys all aspects of emergency medicine and has a special interest in cardiopulmonary medicine and blood disorders.
  • Internship, Small Animal Medicine & Surgery, VCA Animal Specialty Group, San Diego CA
  • Doctor of Veterinary Medicine, University of California, Davis
  • Bachelor of Science, Colorado State University, Fort Collins
An outdoor enthusiast, Dr. Brethouwer likes kayaking, fishing and volleyball. Indoor pastimes include reading and cooking.
Dr. Nicole Corrao is a small animal medicine and surgery intern.
Nicole Corrao
DVM
Emergency Medicine
Dr. Nicole Corrao is part of our emergency medicine training program for clinicians. She enjoys treating surgical emergencies and diabetic ketoacidosis.
  • Clinical Rotation, Royal Veterinary College, London, England
  • Doctor of Veterinary Medicine, Ross University, St. Kitts & Nevis, West Indies
  • Bachelor of Science, Animal Science, California State University, Chico
An avid traveler, Dr. Corrao has traveled all over the world with her dog Benjamen. She also has two cats, Peaches and Winston.
Dr. Aaron Franko is a doctor in our emergency medicine service.
Aaron Franko
DVM
Emergency Medicine
Aaron Franko
DVM
Emergency Medicine
Servicing Locations
Dr. Aaron Franko received additional ophthalmic training with Eye Care for Animals in Tucson. He is also interested in soft tissue surgery and infectious diseases.
  • Doctor of Veterinary Medicine, Purdue University, West Lafayette IN
  • Bachelor of Science, Kinesiology, Indiana University, Bloomington
Dr. Franko enjoys golfing and caddying for his son during tournaments. Other hobbies include biking, hiking and spending time with his wife, son, and their two dogs: Emily, a Labrador-boxer mix, and Jack the pug.
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. Courtney Pace is a small animal medicine and surgery intern. She is with her leashed dog in a field of red tulips.
Courtney Pace
DVM
Intern
Dr. Courtney Pace is a small animal medicine and surgery intern. She has a passion for radiology and also likes performing endoscopic procedures.
  • Doctor of Veterinary Medicine, Oregon State University, Corvallis
  • Bachelor of Science, Biology, University of Arizona, Tucson
Dr. Pace likes hiking, traveling, wine tasting and reading. She has a dog named Ralphie and a cat named Chip.
Dr. Samantha Phillips is a small animal medicine and surgery intern. She is hugging a small tan dog.
Samantha Phillips
DVM
Intern
Dr. Samantha Phillips is a small animal medicine and surgery intern. She enjoys treating exotics, especially ferrets, internal medicine cases, and patients with behavioral issues.
  • Doctor of Veterinary Medicine, Western University of Health Sciences, Pomona CA
  • Bachelor of Science, Biology, Temple University, Philadelphia PA
Dr. Phillips enjoys writing, traveling and lounging around the house with her husband, three cats, two ferrets and one tiny fish.
Dr. Allison Reeder is a small animal medicine and surgery intern. She is sitting outside next to her black lab mix.
Allison Reeder
DVM
Intern
Dr. Allison Reeder is a small animal medicine and surgery intern with a special interest in wound management, pain management and neurology.
  • Doctor of Veterinary Medicine, Washington State University, Pullman WA
  • Bachelor of Science, University of Washington, Seattle WA
Dr. Reeder likes being on the water, especially paddle boarding and kayaking. She has a lab mix and border collie and two conure birds.
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.
Photo coming soon.
Annie Williams
MS, DVM
Emergency Medicine
Annie Williams
MS, DVM
Emergency Medicine
Servicing Locations
Dr. Annie Williams is passionate about pain control in her patients, especially the trauma cases she sees in the emergency room. Before vet school, she spent a year as an intern at Disney’s Animal Kingdom in their animal nutrition center assisting with research projects, tracking health of ruminants and educating guests.
  • Doctor of Veterinary Medicine, North Carolina State University, Raleigh
  • Master of Science, Nutrition, North Carolina State University, Raleigh
  • Bachelor of Science, Animal Science, North Carolina State University, Raleigh
Dr. Williams likes horseback riding, running, hiking, reading and spending time with her husband and two daughters. They have an older Rottweiler, Cora, and a miniature pinscher Kobe.
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