Our Veterinarians

Dr. Cotter, D.V.M.

Dr. Cotter, D.V.M.


Dr. Cotter is a 1993 graduate of the Washington State University College of Veterinary Medicine. Dr. Cotter has practiced both small and large animal medicine in both Colorado and Wyoming as well as having worked in Bangladesh and the United Kingdom. An avid skier and climber Dr. Cotter lives in Silverthorne, CO in the shadow of Buffalo Mountain with his magic bear dog Ursa.

Dr. Ujhelyi, D.V.M.

Dr. Ujhelyi, D.V.M.

Associate Veterinarian

Dr. Ujhelyi (or Dr. U, as most people call her) came to the US from Czechoslovakia/Slovak Republic almost 30 years ago. As a foreign veterinarian, she was required by US law to complete the ECFVG Program (Educational Commission for Foreign Veterinary Graduates). Once completed, Dr. Ujhelyi started working at a small animal practice in New Mexico. In 2015, she relocated to Colorado.

Dr. Ujhelyi is very passionate about providing high-quality medical care for her patients and their owners.

In her free time, she enjoys outdoor activities like hiking and skiing. She also enjoys cooking, traveling and reading.

Dr. Lisa Mausbach

Dr. Lisa Mausbach


Dr. Lisa Mausbach earned her Doctor of Veterinary Medicine degree at Colorado State University in 1998 and completed a 13-month small animal general rotating internship position at an AAHA accredited busy hybrid multi-specialty, emergency, and general practice. For almost 2 decades, Dr. Mausbach worked at that same hospital as a full-time general practitioner and General Practice Team Leader.

In the veterinary clinic, Dr. Mausbach focuses on surgery: including High Volume High-Quality Spay & Neuter, soft tissue surgery, and dentistry.

Her professional passions include “caring for the caregiver” by strategic development and planning, innovation and change management, strategic human resource management, team development, training & mentoring, improving clinic workflow efficiency, providing efficient and effective platforms for client education delivery, and enhancing both customer and employee experience.

Dr. Mausbach received her Strategic Human Resource Management Certified Professional (SHRM-CP) certification in February 2019. Dr. Mausbach completed her business master’s degree in Organizational Leadership with a dual specialization in Leadership Management and Project Leadership Management from Regis University College of Business and Economics in August 2018. She received a Certificate of Achievement for the 10-month Veterinary Management Institute (VMI) program sponsored by AAHA and CSU College of Business in October 2017. She also received a Certificate of Achievement for both FRANK™ 1.0 and FRANK™ Communication Coaching Skills Workshops. Lastly, she has completed CliftonStrengths™ StrenthsFinder by Gallop® and the EverythingDisc® Work of Leaders® Profile.

Dr. Mausbach lives in the suburbs of the Greater Denver Metro Region with her husband Andrew, their school-aged son Ethan, and 3-dogs Abbie, Rocky, Zombie. For fun, Lisa enjoys traveling with her family to their timeshare properties in Mexico (Cabo San Lucas, Puerto Vallarta, & Cancun), as well as enjoying Colorado’s great outdoors, including hiking, running, and biking.

Dr. Jason Cordeiro


Photo and bio coming soon.

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