BluePearl Pet Hospital
Avondale, AZ
Our Vets

Dr. Marlayna Barnard’s special interests include anesthesia, surgery and the integration of acupuncture with Western veterinary medicine.

• Certified Veterinary Acupuncturist, Chi Institute, Reddick, FL
• 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. Taylor Boyer is particularly interested in surgery, seizures and snake bites.

• Doctor of Veterinary Medicine, The Ohio State University, Columbus
• Bachelor of Science, Biology, Delaware Valley University, Doylestown, PA

Dr. Boyer loves spending time with her big family and her significant other. Family dinners and cookouts are her absolute favorite! She enjoys relaxing at home watching shows or being outdoors for a hike or walk. Her family has two huskies, named Ruby and Venee, and lots of cats, while her significant other’s family owns a boxer named Sampson.

Dr. Jared Brethouwer enjoys all aspects of emergency medicine and has a special interest in cardiopulmonary medicine and blood disorders.

Dr. Brethouwer is the medical director of all BluePearl Pet Hospitals in the greater Phoenix area.

• 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. Alexandra Coats is a small animal medicine & surgery intern. Her clinical interests include soft-tissue surgery, specifically oncology ccases involving advanced reconstructive procedures. She’s also very interested in interventional radiology for advanced cardiothoracic procedures. Dr. Coats has recently been exposed to laparoscopic surgery and would love to advance her knowledge in this area of surgery. Beyond surgery, she’s also interested in dentistry and neurology.

• Doctor of Veterinary Medicine, Western University of Health Sciences, Pomona, CA
• Bachelor of Science, Zoology, Minnesota State University, Mankato

Dr. Coats is originally from Rapid City, SD and she returns when possible to visit family. She has a shelter mutt named Falah that she adopted during her undergraduate studies. She also lives with a mini dachshund named Walter.

Dr. Kyrsten Gibson is a small animal medicine & surgery intern. She craves emergency and critical care cases. Her goal is to travel between Texas and Arizona as a small animal criticalist with involvement in large animal emergencies.

• Doctor of Veterinary Medicine, Midwestern University, Glendale, AZ
• Master of Science, Agriculture Food Science, Angelo State University, San Angelo, TX
• Bachelor of Science, Animal Science, Angelo State University, San Angelo, TX

In her free time, Dr. Gibson enjoys hiking, wake boarding, reading and traveling. She has a black lab named Wrigley, a mini Aussie named Ryleigh and a pocket pittie named Remi. Dr. Gibson was born and raised in Texas and returns when possible to visit family.

Dr. Antoinette Harris-Samson prides herself on excellent client communication and patient care. Her clinical interests include endoscopic procedures, disorders involving GI disease and endocrine-related diseases.

• Residency, Small Animal Internal Medicine, BluePearl Pet Hospital, Scottsdale, AZ
• Internship, Small Animal Internal Medicine, BluePearl Pet Hospital, Scottsdale, AZ
• Internship, Small Animal Medicine & Surgery, Affiliated Veterinary Specialists, Maitland, FL
• Doctor of Veterinary Medicine, Tuskegee University, AL
• Bachelor of Science, Animal & Poultry Sciences, Tuskegee University, AL

Dr. Harris-Samson likes watching movies, cooking, listening to music, outdoor activities and spending time with her husband and their puppy.

Dr. Francesca Lanfranchi is part of our emergency medicine training program for clinicians. She is particularly interested in triaging and stabilizing emergency patients as well as performing surgeries.

• Doctor of Veterinary Medicine, Midwestern University, Glendale, AZ
• Bachelor of Science, Small Animal Science, Delaware Valley University, Doylestown, PA

Throughout his over 30-year career, Dr. William Linney has developed a strong respect for primary veterinarians and their relationships with their clients. Dr. Linney has given lectures on surgery to colleagues around the country and has helped train many interns and residents, several of whom are also now board-certified surgeons. He has been published in the Journal of the American Veterinary Medical Association regarding surgical techniques for the repair of patellar luxation.

Dr. Linney enjoys all aspects of orthopedic, neurologic, and soft-tissue surgery. He has additional training in and routinely performs:

• Reconstructive techniques
• TPLO procedure
• Bone plating
• External skeletal fixation
• Interlocking nail systems
• Locking plate systems

• Diplomate, American College of Veterinary Surgeons
• Residency, Small Animal Surgery, Norwood Park Animal Hospital, Norridge, IL
• Internship, Small Animal Medicine & Surgery, Sonora Veterinary Specialists, Phoenix, AZ
• Doctor of Veterinary Medicine, Purdue University, West Lafayette, IN
• Bachelor of Science, Biology, Indiana University, Bloomington

When he is not in the hospital Dr. Linney and his wife (a brilliant emergency Veterinarian) try to find adventurous ways to raise their boys and enjoy life!

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 has a passion for pet care and enjoys collaborating with her treatment team to devise the best possible solutions for patients.

• Residency, Small Animal Internal Medicine, BluePearl Pet Hospital, Scottsdale, AZ
• Internship, Small Animal Internal Medicine, BluePearl Pet Hospital, Scottsdale, AZ
• Internship, Small Animal Medicine & Surgery, BluePearl 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. Alyssa Thomas’ clinical interests include infectious disease and autoimmune conditions.

• Doctor of Veterinary Medicine, Midwestern University, Glendale, AZ
• Bachelor of Science, Veterinary Medicine, University of Arizona, Tucson
• Bachelor of Arts, German Studies, University of Arizona, Tucson

In her free time, Dr. Thomas enjoys watching movies, traveling, camping and volunteering at an exotic animal sanctuary.