The Castaños Veterinary Clinic is staffed by a multidisciplinary team composed of 4 veterinary surgeons trained in different specialties to the highest level. This enables us to offer pets the finest standard of professional care.
Our team also includes 4 veterinary assistants and one highly experienced groomer.
Veterinarians
Unai San Martín
Veterinary Director
Veterinary Director and a graduate in veterinary medicine from the University of Zaragoza. A veterinary surgeon with a strong vocation, he has 20 years’ experience working with small animals. In 2016, he completed a master's degree in Oncology at Improve and since then he has continued to train in veterinary oncology.He is currently working to obtain accreditation in Oncology with Avepa.
He has practised as a general vet and a surgeon, and has extensive experience in emergency and hospital care, etc.
Susana Martínez
Veterinary Director
Founding member and partner of the centre. Susana graduated from the University of Zaragoza and has worked as a general veterinary surgeon, surgeon, anaesthetist and emergency veterinary surgeon.She has extensive experience in pet medicine, and is passionate and committed to her work. She is currently working to obtain accreditation in specialisation in Feline medicine.
Jose Carlos Rodríguez López
Veterinary
Veterinarian graduated from the University of León in 2014. Experienced in daily clinical practice, having participated in various internship programs at different hospitals, practicing in internal medicine, daily consultations, emergency medicine, and soft tissue surgery.In 2023, he completed a postgraduate course in small animal traumatology at the European University of Madrid.
In 2025, he obtained the European GPCert in Small Animal Orthopedic Surgery (SAS) (ORTH).
Cora Sarmiento
Veterinary
Graduated from the University of León in 2021, she's been working in the field ever since, focusing on reproductive control, large animal care, and animal disease surveillance. She's a great team player and always keen to learn from her colleagues.In 2026, she completed a postgraduate course in veterinary ophthalmology at the Catholic University of Valencia, obtaining the Postgraduate Certificate in Ophthalmology (PGCert Ophthal Ifevet). Owner of two kittens, she enjoys spending time in nature, the mountains and the sea.
Veterinarian Technicians & Assistants
Aizea Martínez Hernández
Veterinary Assistant
Aizea is qualified as a veterinary care assistant, veterinary technician assistant and theatre assistant. Her duties include reception work, inpatient care,assisting in orthopaedic surgery and post-operative care, assisting in chemotherapy sessions, managing the laboratory, and working as a Community Manager.
Itsasne Rubio Urbieta
Veterinary Assistant
She studied veterinary assistant, veterinary technical assistant and operating theatre assistant between 20016 and 2017.She joined the Castaños Veterinary Clinic in 2019 and since then she combines her work with courses in; nutrition, hospitalisation, and telephone management. She is a member of Catlover.
Mónica Gallo Orbe
Veterinary Assistant
Veterinary assistant specialising in surgery. She accompanies the surgeons in the operating theatre and in hospital.She is in charge of monitoring post-surgical patients. She always shows great enthusiasm and dedication to her work”.
Garbiñe Urquiza
Veterinary Assistant
Veterinary nurse with a solid foundation in veterinary nursing and assisting. Her experience ranges from customer service and administrative tasks to directly assisting the veterinarian in surgical procedures and post-operative care.She is a proactive and resourceful professional with a strong ability to work in a team. Her passion for animals is reflected in the care she provides to her four cats and one dog, allowing her to connect empathetically with her clients’ pets.
