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Nor Cal Veterinary Surgical was founded in 2009 by Dr. Wells as an alternative to the traditional referral process for specialty surgery.  By providing surgical services on a mobile basis, NCVS is able to serve clients and patients that would not normally have access to specialty/referral services (due to financial, logistical, or other reasons) by providing specialty services at the patient's local veterinary hospital.   

The surgeons of NCVS are board certified, Diplomates of the American College of Veterinary Surgeons.  For information about the board certification process please visit the American College of Veterinary Surgeons website. 

In addition to the standard veterinary training (Bachelor's degree followed by 4 years of doctoral training/veterinary school), our surgeons have undergone a minimum of four to five years of rigorous post-doctoral residency training, accumulated a massive number of documented cases, and published articles in the primary scholarly veterinary journals in order to qualify for the opportunity to sit for the certifying examination of the ACVS to become Board-Certified Diplomates of the American College of Veterinary Surgeons.  

Only Diplomates of the American College of Veterinary Surgeons have the right to use the title of "surgeon."  There are no other recognized specialty designations for surgery in the United States.  Before your pet has surgery please make sure the doctor is qualified as a surgeron by the American College of Veterinary Surgeons- you can recognize that by the distinctive blue logo and by searching the list of current Diplomates, available at the ACVS website here.   

Meet our surgeons: 

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Dr. Sean Wells graduated from UC Davis School of Veterinary Medicine in 2004 after which he completed a 1-year general internship at Bay Area Veterinary Specialists followed by a 1-year surgical internship with Veterinary Surgical Associates. After his internships, Dr. Wells completed a 3-year residency in small animal surgery with Veterinary Surgical Associates and became board certified in 2010.  Dr. Wells founded Northern California Veterinary Surgical in 2009.

Sean’s surgical interests include orthopedic and oncologic surgery with a special interest in minimally invasive techniques (arthroscopy / laparoscopy / thoracoscopy), reconstructive procedures, and joint replacement.  He is currently one of the only surgeons in the state performing both standard and micro/nano hip replacements in dogs & cats.

Sean grew up in the mountains northeast of Ojai, California.  He is a California licensed electrical contractor (C-10).  He enjoys surfing, hockey, snowboarding, and any activity involving the water.  In his free time, he enjoys spending time with his family, cooking, and running Gilman Brewing Company (which he co founded with Dr. Sellmeyer in 2015). 

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Dr. Timothy Sellmeyer obtained his Doctor of Veterinary Medicine degree from the University of Missouri in 2002. He then completed a rotating small animal internship at Kansas State University in 2003. Immediately following his internship, Dr. Sellmeyer began his surgical residency at Mission MedVet in Mission, Kansas. After completion of his residency in 2006 he moved to the San Francisco Bay Area that same year as an associate surgeon with Veterinary Surgical Associates in Concord.  He became board certified in small animal surgery in 2007, and started the Sage, Dublin surgical service in 2008.  In 2018 he joined Northern California Veterinary Surgical.

Tim’s surgical interests include all orthopedic procedures, especially challenging fracture repairs, and joint surgery. He is a member of the Veterinary Orthopedic Society, attending their conference yearly. Tim also enjoys the placement of ureteral stents and subcutaneous ureteral bypass (SUBs) systems.

Tim grew up in Missouri, with his early childhood in St. Louis and later moved to Craig, MO where he attended High School. He enjoys traveling, hiking, brewing beer, and cheering for his Mizzou Tigers, St. Louis Cardinals, and St. Louis Blues.

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Dr. Bianca Boudreau grew up in Canada and graduated with a DVM from the University of Montreal in 2008. After veterinary school, she moved to Southfield, Michigan where she completed a 1-year rotating internship at BluePearl Veterinary Partners followed by a 1-year surgical internship at Veterinary Specialty Hospital of San Diego, in California. She then completed a 3-year small animal surgery residency at Michigan State University. She became board certified in small animal surgery in 2014. Before joining Northern California Veterinary Surgical in 2018, Dr. Boudreau worked as an associate-professor at Michigan State University as well as an associate surgeon at Sage in Dublin.


Bianca’s surgical interest include soft tissue, oncologic and reconstructive surgeries. She is a member of the Society of Veterinary Soft Tissue Surgery and attend their conference yearly.


Bianca enjoys spending time with her two cats, Cosmo and Maya. She also likes hiking, swimming, reading, exploring the Bay Area and a good glass of wine.

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