We know how stressful it can be to have a pet that needs an operation. We’re here to calm your concerns. Castle Pines Veterinary Hospital offers the complete range of surgical services in our modern, state-of-the-art surgical suite.  Here, we’re able to perform a wide variety of orthopedic and soft tissue surgeries including spays and neuters, fracture repair, anterior cruciate ligament repair (ACL), surgical biopsy and abdominal exploratory. More importantly, we focus on making sure your pet is as comfortable as possible while in our care, and we’ll make sure that all pre and post-operative care is administered properly and clearly explained to you.

Who said surgery needs to cost a fortune?
We’re here to calm your nerves during this stressful time.

When a complicated surgery needs an added level of expertise, we partner with Dr. Dave Mathessien from Colorado Surgical Specialist who can provide all facets of advanced surgical procedures in the convenience of our hospital.

Our anesthesia and monitoring are state-of-the-art to ensure a successful operation for your pet. Each and every anesthetic patient is under the careful watch of a three-person team: a doctor, a certified veterinary technician, and a patient recovery specialist to ensure the operation – before, during, and after – goes smoothly.

We want you to know that help is always just a phone call away. We’ll be there to make sure your pet is receiving customized recovery care that will have them back to normal quickly.

Learn more about Dr. David Matthiesen

Dr. David Matthiesen


Dr. David Matthiesen is a native of Denver, Colorado. He received his Veterinary Doctorate degree from Colorado State University in 1979. He completed a rotating one-year internship in small animal medicine and surgery, followed y an additional surgical internship at the West Los Angeles Veterinary Medical Group. He completed an orthopedic-neurosurgical residency at the University of Pennsylvania in Philadelphia. He became a Board Certified Diplomat of the American College of Veterinary Surgeons in 1986. For 10 years he was a senior staff surgeon and section head for the orthopedic-neurosurgical service at the renowned Animal Medical Center in New York City, one of the largest and busiest private veterinary referral centers in the world, employing over 85 veterinarians. During that time, Dr. Matthiesen also functioned as the primary oncologic surgeon for the hospital’s cancer department. His main responsibilities at the Animal Medical Center included case diagnostics and surgical treatment of a varied and diverse surgical case load. He also supervised and taught interns and surgical residents and performed clinical research. On two different occasions, he was awarded the Prestigious Teacher of the Year award. While at the Animal Medical Center he published extensively or co-written over 70 journal publications and book chapters. He also lectured on numerous topics in soft-tissue surgery, orthopedics, oncology, and neurosurgery at various local, regional and national meetings.

Due to a strong desire to return to Colorado, Dr. Matthiesen established Veterinary Surgical Specialists of Colorado in 1997. His practice was closely affiliated for over ten years with the Animal Hospital Center. He also functioned as the emergency surgeries during off-hours for the emergency service. At the facility, Dr. Matthiesen continued to perform a variety of surgeries referred from the Denver area to his surgical practice. Dr. Matthiesen offers a substantial amount of experience and expertise in general, orthopedic, neurologic, and oncologic surgery with over 20 years of clinical practice as a Board Certified Surgeon.

We’re here for you and your pet.

Have a question? We’re here to help! Please complete the form below and a member of our staff will get back to you as quickly as possible. If this is an emergency situation during business hours, please call us at 303-688-8665.

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