BluePearl Pet Hospital
North Dallas
Our Vets

Dr. Madeline Aghamalian is part of our emergency medicine training program for clinicians. She finds conditions like gastric dilatation-volvulus (GDV) and congestive heart failure the most gratifying to treat.

• Clinical Rotation, Colorado State University, Fort Collins
• Doctor of Veterinary Medicine, Ross University, St Kitts & Nevis, West Indies
• Bachelor of Science, Animal Science, Texas A&M University, College Station

Dr. Aghamalian comes from a family of five with two sisters. She loves reading, gardening and playing card/board games.

Dr. Natalia Amaral Marrero is an intern in our neurology service. Her clinical interests include all aspects of neurology and neurosurgery.

• Internship, Small Animal Medicine & Surgery, Colorado State University, Fort Collins
• Doctor of Veterinary Medicine, Purdue University, West Lafayette, IN

Dr. Amaral Marrero enjoys hiking, painting, reading and staying home with her two cats.

Dr. Erin Black enjoys stabilizing patients in hypovolemic shock and diagnosing and performing initial treatment for immune-mediated anemia and thrombocytopenia. She is also interested in soft tissue surgical emergencies, including splenectomy, dystocia, gastric dilatation volvulus (GDV) and gastrointestinal (GI) foreign bodies.

• Doctor of Veterinary Medicine, Texas A&M University, College Station
• Bachelor of Science, Biomedical Science, Texas A&M University, College Station

Outside of work, Dr. Black likes teaching all forms of Pilates, cycling medium distances, cooking flavorful, health-conscious foods and spending time outdoors with her family. She has a laid-back, quirky Lab/hound mix, Leeloo Dallas.

Dr. Kira Bourne’s clinical interests include interventional radiology, feline medicine and oncology, and palliative and hospice care.

• Diplomate, American College of Veterinary Internal Medicine (Oncology)
• Residency, Medical Oncology, Texas A&M University, College Station
• Internship, Small Animal Medicine & Surgery, Texas A&M University, College Station
• Doctor of Veterinary Medicine, University of Pennsylvania, Philadelphia
• Bachelor of Science, Veterinary and Biomedical Sciences, Pennsylvania State University, State College

Dr. Bourne’s love of cats started with her first Ragdoll, Gwenoviere. Currently, she has two ragdolls, Elsa and Annika. In her free time, Dr. Bourne enjoys jogging and strength training.

Publications and articles

Dr. Stephanie Chang is a resident in our neurology service. Her interests include seizure management and neurosurgery.

• Internship, Neurology & Neurosurgery, BluePearl Pet Hospital, Lewisville, TX
• Internship, Small Animal Medicine & Surgery, Cornell University, Ithaca, NY
• Doctor of Veterinary Medicine, University of Saskatchewan, Canada
• Bachelor of Science, Applied Animal Biology, University of British Columbia, Vancouver, Canada

Dr. Chang enjoys cooking, watching true crime documentaries and relaxing with her senior cat, Pekoe.

• Diplomate, American College of Veterinary Internal Medicine (Neurology)
• Residency, Neurology & Neurosurgery, University of Florida, Gainesville
• Residency, Neurology & Neurosurgery, Auburn University, AL
• Internship, Neurology & Neurosurgery, Center for Veterinary Specialty and Emergency Care, Lewisville, TX
• Internship, Small Animal Medicine & Surgery, BluePearl Specialty + Emergency Pet Hospital, Tampa, FL
• Doctor of Veterinary Medicine, Auburn University, AL
• Bachelor of Science, Marine Biology, University of Rhode Island, Kingston

Dr. Day enjoys gardening, knitting, biking and working out. She lives with her boyfriend, dogs Callie and Lexie, and a cat named Sandwich.

Dr. Chris Given finds neurology, endocrine diseases and researching literature to find a comprehensive answer particularly gratifying.

• Doctor of Veterinary Medicine, Texas A&M University, College Station
• Bachelor of Science, Marine Biology, Texas A&M University, Galveston

Dr. Given enjoys puns, dad jokes, and music (listening, writing and performing), writing parody songs about nerdy things in veterinary medicine, video games and movies. He has a Yorkshire terrier named Loki.

Dr. Alesha Greenwalt is passionate about emergency and critical care medicine.

• Doctor of Veterinary Medicine, University of Minnesota, Minneapolis
• Bachelor of Science, Small Animal Science, Delaware Valley University, Doylestown, PA

Dr. Greenwalt enjoys spending time with her boyfriend and her dog, Max, an American Staffordshire terrier.

Dr. Antreas Hindoyan’s clinical interests include emergency surgery, anaphylaxis treatment and wound management.

• Clinical Rotation, Texas A&M University, College Station
• Doctor of Veterinary Medicine, Ross University, St. Kitts & Nevis, West Indies
• Bachelor of Science, Biochemistry and Cell Biology, University of California, San Diego

Dr. Hindoyan has two dogs and loves spending his free time with family and friends.

Dr. Barbara Lindsay has a strong interest in training the next generation of veterinarians. She works closely with other specialty clinicians and referring veterinarians to provide comprehensive treatment plans for her patients. Her special interests include neuro-oncology cases and meningitis treatment.

• Diplomate, American College of Veterinary Internal Medicine (Neurology)
• Residency, Neurology & Neurosurgery, Center for Veterinary Specialty and Emergency Care, Lewisville, TX
• Internship, Neurology & Neurosurgery, Center for Veterinary Specialty and Emergency Care, Lewisville, TX
• Internship, Neurology, VCA Animal Specialty Center, Yonkers, NY
• Internship, Small Animal Surgery, Animal Referral Hospital, Sydney, Australia
• Internship, Small Animal Medicine & Surgery, Veterinary Specialist Services, Brisbane, Australia
• Bachelor of Veterinary Medicine & Surgery, Murdoch University, Perth, Australia
• Bachelor of Science, Veterinary Biology, Murdoch University, Perth, Australia

Dr. Lindsay enjoys running, practicing barre Pilates, drinking espresso and spending time with her cat. She grew up on a sheep farm in Australia, and while she misses her sheep dogs, she loves exploring the “Lone Star State” and meeting local people.

Dr. Stephanie Marzullo is a resident in our neurology service. She finds seizures and meningitis the most gratifying to treat.

• Internship, Neurology & Neurosurgery, Center for Veterinary Specialty and Emergency Care, Lewisville, TX
• Internship, Neurology, VCA Animal Specialty Center of South Carolina, Columbia
• Internship, Small Animal Medicine & Surgery, VCA Aurora Animal Hospital, IL
• Doctor of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg
• Bachelor of Science, Biology, Marymount University, VA

Dr. Marzullo’s hobbies are knitting, baking, reading and working out. She had two cats: Kisses and Phoebe.

Dr. Breanne Morrell is particularly interested in small animal neurology.

• Internship, Neurology & Neurosurgery, BluePearl Pet Hospital, Lewisville, TX
• Internship, Small Animal Medicine & Surgery, BluePearl Pet Hospital, Lewisville, TX
• Doctor of Veterinary Medicine, Oklahoma State University, Stillwater
• Master of Science, Oklahoma State University, Stillwater
• Bachelor of Science, Animal Science, Oklahoma State University, Stillwater

Dr. Morrell enjoys playing video games and watching movies. She has two cats named BooBoo and Wafer.

• Doctor of Veterinary Medicine, University of Arizona, Tucson
• Bachelor of Science, Animal Sciences, Tennessee State University, Nashville

Dr. Teresa Seyfert has extensive experience performing abdominal ultrasound tests, and she continues to advance her training in ultrasound technique and sampling. She has also completed additional training in laparoscopic liver biopsy, tracheal stenting, and echocardiogram.

Her professional interests include gastrointestinal (GI) disorders, hematologic and autoimmune disease, and endocrine disease.

• Diplomate, American College of Veterinary Internal Medicine (Small Animal Internal Medicine)
• Residency, Small Animal Internal Medicine, Oklahoma State University, Stillwater
• Internship, Small Animal Internal Medicine, Oklahoma State University, Stillwater
• Internship, Small Animal Medicine & Surgery, The Ohio State University, Columbus
• Doctor of Veterinary Medicine, Kansas State University, Manhattan
• Bachelor of Science, Animal Science & Industry, Kansas State University, Manhattan

Outside of work, Dr. Seyfert enjoys watching movies, walking, attending college football games, and visiting amusement parks with her husband and two daughters. She has two dogs and a hamster.

Dr. Chantel Simmons is an intern in our internal medicine service. Dr. Simmons is particularly interested in oncology cases and finds GI, immune-mediated and respiratory diseases especially gratifying to treat.

• Internship, Small Animal Medicine & Surgery, VCA Hollywood Animal Hospital, FL
• Doctor of Veterinary Medicine, Tuskegee University, AL
• Bachelor of Science, Animal Sciences, Clemson University, SC

Dr. Simmons loves eating at new restaurants and adding to her food page with her dog. In her free time, she enjoys traveling with friends and recently visited Hawaii. She has a Rottweiler named Phoebe Halli and a black cat named Salem Astor.

Dr. Benjamin Williams has a strong interest in teaching veterinary interns and residents and is actively involved in training neurology/neurosurgery residents. He has consulted with several zoos and exotic feline sanctuaries on neurologic cases and is interested in the wide variety of MRI findings for intracranial diseases. He most enjoys neurosurgical cases and finds intervertebral disc herniations and spinal fractures particularly rewarding to treat.

• Diplomate, American College of Veterinary Internal Medicine (Neurology)
• Residency, Neurology & Neurosurgery, Center for Veterinary Specialty and Emergency Care, Lewisville, TX
• Internship, Neurology & Neurosurgery, Center for Veterinary Specialty and Emergency Care, Lewisville, TX
• Internship, Small Animal Medicine & Surgery, Angell Animal Medical Center, Boston, MA
• Master of Science, Biomedical Sciences, Colorado State University, Fort Collins
• Doctor of Veterinary Medicine, Western University of Health Sciences, Pomona, CA
• Bachelor of Arts, Legal Studies, University of Massachusetts, Amherst

Outside of the hospital, Dr. Williams enjoys reading, hiking, going out to eat or to the movies, and watching most sports (soccer and football in particular). He grew up with Gordon and Irish Setters but currently shares a townhouse with one adopted cat.

Dr. Chia-Hsin Sandy Young’s special interests include endocrine emergencies, sepsis cases and respiratory emergencies. She finds chest tube placements, urethral deobstructions and esophagostomies particularly gratifying to perform.

• Diplomate, American College of Veterinary Emergency & Critical Care
• Residency, Emergency & Critical Care, University of Minnesota, St. Paul
• Internship, Small Animal Medicine & Surgery, Veterinary Emergency Clinic and Referral Centre, Toronto, Ontario, Canada
• Doctor of Veterinary Medicine, Colorado State University, Fort Collins
• Bachelor of Science, Biochemistry, North Carolina State University, Raleigh

Dr. Young lives with her husband and their three cats. In her free time, she enjoys gardening, ballet and video games.

Publications & Articles

Dr. Andrea Zenger finds blocked cats, wound repair and toxin ingestion the most gratifying to treat.

• Doctor of Veterinary Medicine, Washington State University, Pullman
• Bachelor of Science, Biomedical Sciences, Texas A&M University, College Station

Dr. Zenger and her husband met at Texas A&M. They have three (almost identical) black cats. Her hobbies include archery, horseback archery, leatherworking and gardening.