We are committed to caring for your pet – while maintaining the highest level of safety for our Associates and pet owners. We thank you for your continued patience and support. 
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Sean Yoshimoto

Dr. Sean Yoshimoto Staff Photo
Medical Director
Internal Medicine
Dr. Sean Yoshimoto Staff Photo

Dr. Yoshimoto received his Doctor of Veterinary Medicine degree from the University of California Davis. After an internship at VCA West Los Angeles Animal Hospital, he returned to UC Davis and completed a residency in internal medicine.

After practicing in the West Los Angeles area for the past 18 years, he joined VCA ASEC in July 2022, as our Medical Director.

Dr. Yoshimoto is a Board Certified Small Animal Internal Medicine Specialist. His interests are in respiratory disease in dogs and cats, endoscopy, and ultrasound. He is available for consultation and referral Wednesday through Friday.

See our departments

Internal Medicine

VCA ASEC's Board Certified Internists, Dr. Betty Chow, Dr. Todd Cohen and Dr. Sam Trivedi are leading experts at performing minimally invasive laser & endoscopic procedures. They handle complex disease conditions of the liver, kidneys, gastrointestinal tract, urogenital system, endocrine organs, lungs, and immune system. VCA ASEC offers a full range of diagnostic and therapeutic services, working closely with the primary veterinarian to give pets the highest level of care.

Internal Medicine Department’s Services

  • Cystoscopy
  • Gastroduodenoscopy
  • Colonoscopy
  • Rhinoscopy
  • Nasopharyngoscopy
  • Bronchoscopy
  • Vaginourethroscopy
  • Ultrasonography & guided aspirates/biopsies
  • Transtracheal wash
  • Bronchoalveolar lavage
  • Bone marrow aspirates
  • Oncologic evaluation
  • Arthrocentesis
  • PEG and esophagostomy tube placement
  • Laser Lithotripsy
  • Laser Ectopic Ureter Ablation
  • Endoscopic-Assisted Gastropexy
  • Contrast Videofluoroscopic Swallowing Study


Our Internal Medicine Team

VCA Animal Specialty & Emergency Center

1535 South Sepulveda Blvd.

Los Angeles, CA 90025

Main: Specialty: 310-473-5906 / Emergency: 310-473-1561

Fax: 310-479-8976

Hospital Hours:

    Mon-Sun: Open 24 hours

Specialty Hours:

By Appointment

Are you a Primary Care Veterinarian? We have dedicated resources for you.

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