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Our Veterinarians

Illustration of a silhouette of a figure with a stethoscope draped around their neck.
Ashley Coll
DVM, MS
Internal Medicine
Ashley Coll
DVM, MS
BluePearl Veterinarian
Internal Medicine
Servicing Locations
Dr. Ashley Coll is passionate about discovering the “why” of medicine, which led her to pursue veterinary internal medicine. She loves getting to help patients live longer with a better quality of life for as long as possible.
  • Master of Science, Veterinary Medical Research, Mississippi State University, Starkville
  • Residency, Small Animal Internal Medicine, Mississippi State University, Starkville
  • Internship, Small Animal Medicine & Surgery, Mississippi State University, Starkville
  • Doctor of Veterinary Medicine, Washington State University, Pullman
  • Bachelor of Science, Biology, University of Nevada, Reno
Dr. Coll enjoys hiking, camping, going to the lake or ocean, kayaking, snowboarding, reading, watching movies and gardening. She looks forward to visiting the mountains with her friends and her silly dog, Gryphon.
Dr. Catherine Gunther-Harrington is board certified veterinary cardiology
Catherine Gunther-Harrington
DVM, DACVIM (Cardiology)
Cardiology
Catherine Gunther-Harrington
DVM, DACVIM (Cardiology)
BluePearl Veterinarian
Board Certified in Veterinary Cardiology
Cardiology
Servicing Locations
Dr. Catherine Gunther-Harrington has over 15 publications including topics of cardiac imaging in bulldogs and cardiac effects seen in cats who were burned in California wildfires. She has served as an assistant professor of clinical cardiology at the University of California.

Her professional interests include cardiac imaging, congenital cardiac defects and management of refractory congestive heart failure. She tailors medical management to fit each patient’s disease with an emphasis on quality of life.
  • Diplomate, American College of Veterinary Internal Medicine (Cardiology)
  • Residency, Cardiology, University of California, Davis
  • Internship, Small Animal Medicine & Surgery, North Carolina State University, Raleigh
  • Doctor of Veterinary Medicine, University of California, Davis
  • Bachelor of Science, Animal Physiology and Neuroscience, University of California, San Diego
In her spare time, Dr. Gunther-Harrington enjoys snowboarding, wakeboarding, surfing and exploring the outdoors with her family. She has three dogs, Daisy, Chester and Betty White, who is a bulldog with a heart condition called pulmonic stenosis.
Dr. Jeffrey MacLellan is board certified in small animal surgery.
Jeffrey MacLellan
DVM, DACVS-SA
Surgery
Jeffrey MacLellan
DVM, DACVS-SA
BluePearl Veterinarian
Board Certified in Veterinary Surgery-Small Animal
Surgery
Servicing Locations
Dr. Jeff Maclellan is particularly interested in neurologic surgeries including intracranial surgery and spinal tumors. He also enjoys challenging or rare soft tissue procedures.
  • Diplomate, American College of Veterinary Surgeons-Small Animal
  • Residency, Small Animal Surgery, University of Minnesota, Minneapolis
  • Internship, Small Animal Medicine & Surgery, University of Minnesota, Minneapolis
  • Doctor of Veterinary Medicine, University of California, Davis
Dr. Maclellan is an avid ultra-marathon trail runner. He likes backpacking and spending time outside. His two dogs are named Chip and Trout.
Illustration of a silhouette of a figure with a stethoscope draped around their neck.
Abby Mulchi
DVM
Emergency Medicine
Abby Mulchi
DVM
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. Abby Mulchi finds trauma cases, acute gastrointestinal illnesses, acute organ dysfunctions, seizures and infectious diseases the most gratifying to treat.
  • Internship, Small Animal Medicine & Surgery, Carolina Veterinary Specialists, Greensboro, NC
  • Doctor of Veterinary Medicine, North Carolina State University, Raleigh
  • Bachelor of Science, Biochemistry, North Carolina State University, Raleigh
Dr. Abby Mulchi enjoys hiking, kayaking, sewing, reading, cooking and spending time with her husband and senior dog, Petey.
Dr. Hope Rinehimer is an emergency medicine veterinarian.
Hope Rinehimer
VMD
Emergency Medicine
Hope Rinehimer
VMD
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. Lindsay St. Hill is a veterinarian in our emergency medicine training program for clinicians.
Lindsay St. Hill
DVM
Emergency Medicine
Lindsay St. Hill
DVM
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. Lindsay St. Hill is part of our emergency medicine training program for clinicians. She finds managing critical cases, including patients with comorbidities or unexplained issues, the most gratifying to treat.
  • Doctor of Veterinary Medicine, Kansas State University, Manhattan
  • Bachelor of Science, Animal Science, University of California, Davis
Dr. St. Hill enjoys caring for her many houseplants, two dogs, cat, guinea pigs, chickens and horse.