Langley, BC: (604) 888-9378 (Surgical Office), (604) 888-9397 (Med Spa)
Yes Medspa & Cosmetic Surgery Centre

About Dr. Tregaskiss

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Plastic Surgeon Dr. Ashley Tregaskiss“It is an honour and privilege to be a plastic, reconstructive, and aesthetic surgeon. In my opinion it is the one of the most challenging, diverse and at times, humbling of medical careers. Plastic surgeons are trained to treat a wide array of clinical problems including major cancers, burns and traumas, as well as aesthetic and cosmetic concerns. The ability to positively impact people's lives through the treatment of a major health crisis, or to improve well-being and confidence through aesthetic surgery, is truly rewarding. As a plastic surgeon I have developed an eye for detail and a desire to always attain the very best results for my patients; attributes that are extremely valuable in my focus as an aesthetic surgeon.”

Dr Ashley Tregaskiss was born and raised in the southwest of England. He completed his medical training at the prestigious University College London, consistently rated as one of top 10 universities in the world. After completing his medical degree in 2000, he continued his training with additional surgical training in England and a master's degree in 2005. He then completed a 6-year plastic surgery residency training program in southwest England.

“Surprisingly, I didn't feel a 6-year residency, or indeed the years of training before were enough, so I followed this up with a further 2 years of fellowship training. The first year was spent in Sydney, Australia where I focused on both cosmetic surgery and reconstructive microsurgery. The second year was spent here in British Columbia with UBC Division of Plastic Surgery where I completed fellowships in aesthetic and reconstructive breast surgery as well craniomaxillofacial surgery.“

At the end of his fellowship program at UBC, Dr. Tregaskiss was invited to become a member of the Division of Plastic Surgery at Vancouver General Hospital (VGH) and is still an active member with the UBC Division of Plastic Surgery.

Dr. Ashley Tregaskiss is a Fellow of both the Royal Colleges of Surgeons of England, and the Royal College of Physicians and Surgeons of Canada. He is also a member of the Canadian Society of Plastic Surgery.

Dr. Ashley Tregaskiss joined YES with the experience and enthusiasm to help each client reach their aesthetic goals. At YES Dr. Tregaskiss provides many cosmetic surgery services, including breast augmentation, facial surgery, and body contouring as well as nonsurgical options like BOTOX COSMETIC®.

“It is a pleasure to be associated with Dr. Mosher and his highly professional and motivated team at YES Medspa & Cosmetic Surgery Centre. Having worked widely throughout the Lower Mainland, I believe YES to be the premier aesthetic facility in the province, with an exemplary safety record. This is why I choose to bring my patients to YES.”

To learn more about what sets our team of surgeons apart from other cosmetic practices in the Vancouver area, click here to request a consultation at YES Medspa & Cosmetic Surgery Centre. Or you can call our Langley office at (604) 888-9378 to schedule your appointment.

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Directions to our Langley Cosmetic Surger Centre

Office: (604) 888-9378
Medspa: (604) 888-9397

301-8837 201 Street
Langley, BC V2Y 0C8

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YES Medspa & Cosmetic Surgery Centre: Dr. Mathew Mosher
301-8837 201 Street
Langley, BC V2Y 0C8
(604) 888-9378
Fax: (604) 888-9301
Cosmetic Surgery Office Hours: Monday–Friday: 8:30 a.m.–4:00 p.m.
Medspa Office Hours: Monday 8:30 a.m.–7 p.m., Tuesday–Friday 8:30 a.m.–5 p.m.


Dr. is one of the most accomplished plastic surgeons in the Vancouver area, performing procedures such as liposuction, BOTOX COSMETIC® treatments, tummy tuck surgery, breast augmentation, and face lift using innovative techniques which minimize incisions, downtime, and discomfort. At his office in Langley, he serves patients from Burnaby, Surrey, Abbotsford, Richmond, White Rock and surrounding areas.
BOTOX COSMETIC® and VOLUMA® are registered trademarks of Allergan Inc. SOFT LIFT™ is a trademark of Allergan Inc. JUVÉDERM® is a registered trademark of Allergan Holdings France SAS.

Dr. Mathew Mosher