Physician Assistants

Megan graduated from Philadelphia College of Osteopathic Medicine’s Physician Assistant program in 2008. She joined Advanced Orthopedics team and started her career here in Las Vegas. Megan has had an interest in sports medicine since her Orthopedic Surgeon was her mentor in high school. Megan was a competitive swimmer in high school and continues to compete on a national level today. Outside of swimming she enjoys running, competing in triathlons, and attending live music in her free time. Megan is also a mother to a spirited little boy and spends her time working on philanthropic projects with the Junior League of Las Vegas.

Charlene is originally from the Los Angeles area of Southern California. Her parents immigrated from Taiwan, and she is fluent in Mandarin Chinese. She graduated with a bachelor’s degree in Biochemistry and Cell Biology from the University of California, San Diego, in 2018. She attended Touro University Nevada for her Masters of Physician Assistant Studies and graduated in 2022. She was given the opportunity to join Advanced Orthopedics and Sports Medicine upon successfully completing PA school. Charlene has since chosen to stay in Las Vegas and start her career working alongside Dr. Michael Trainor. Her time playing basketball in high school and working as a medical assistant in orthopedics were the catalysts for her future career in orthopedic medicine. In her free time, she enjoys cooking, baking, live music, spending time with her friends, and traveling to new and exciting places. She is passionate about patient education, and providing the most effective and quality orthopedic care.

Alyssa is originally from the suburbs of Minnesota. She graduated with a bachelor’s degree in Biology from the University of Minnesota, Twin Cities in 2021. She attended Touro University Nevada for her Masters of Physician Assistant Studies and graduated in 2023. Upon completing PA school, Alyssa was given the opportunity to join Dr. Randall Yee’s team, to pursue her interest in orthopedics. In her free time, she enjoys playing pickleball, hiking, working out, country music, traveling, and spending time with family and friends.

Adam, originally from Auburn, Washington, is a bilingual healthcare professional fluent in both Spanish and English. He earned his Bachelor’s degree in Exercise Physiology from Brigham Young University Idaho before completing his Physician Assistant training at Touro University Nevada in 2017. Adam further advanced his expertise by earning a Doctor of Physician Assistant degree from Touro University Nevada in June, 2024. He currently serves as an adjunct faculty member for the PA program at Touro University Nevada.

Adam joined the Advanced Orthopedics team in 2018, where he served until 2023, and has since returned as part of Team Liu. In the interim, he gained specialized training in regenerative medicine, focusing on PRP (Platelet-Rich Plasma) and BMAC (Bone Marrow Aspirate Concentrate) therapies. Adam also has prior work experience in Emergency Medicine and Neurology.

Adam’s skill set includes assisting in general orthopedic surgery, suturing and wound closure, advanced joint injections (steroid, hyaluronic acid, PRP, BMAC), as well as casting and splinting techniques. With a passion for innovation in patient care, Adam has pioneered and implemented progressive treatment modalities, including Iovera cryo-analgesia for managing post-operative and chronic knee pain. Driven by a commitment to improving patient outcomes, Adam is always seeking new and effective ways to enhance his practice.

Outside of work, he enjoys spending time with his wife, daughter, and two Goldendoodles. An outdoor enthusiast, Adam enjoys camping, hunting, fishing, and snowboarding.

Andrew Woodbury, PA-C, originally from Idaho, earned his Bachelor’s Degree in Biomedical Science from Brigham Young University-Idaho in 2020. In pursuit of further education, he relocated to Las Vegas in 2021 and graduated with a Master’s Degree in Physician Assistant Studies from Touro University in 2023. During his rotations at Advanced Orthopedics, Andrew developed a strong passion for Orthopedics, with a particular focus on spinal conditions. In January 2025, he joined the team at Advanced Orthopedics, where he works alongside Dr. Timothy Trainor and Mia Pierro, PA-C to provide excellent care to patients.

Benjamin Sham, PA-C, was born and raised in Southern California and earned his Master of Physician Assistant Studies from Western University of Health Sciences in Pomona, CA. Since graduating in 2018, he has practiced as an orthopedic physician assistant with a focus on both surgical and nonsurgical care.

Benjamin has extensive experience managing musculoskeletal injuries and both acute and chronic pain. His skills include interpreting X-rays, performing therapeutic joint injections with ultrasound guidance, and assisting in orthopedic surgery. Before relocating to Las Vegas, he served patients at an orthopedic group in Los Angeles. He has now joined Advanced Orthopedics & Sports Medicine to work alongside Dr. Morris in delivering comprehensive orthopedic care.

Benjamin is passionate about educating patients on their conditions and partnering with them to make informed decisions about their treatment.

Outside of medicine, he enjoys spending time with his wife and son traveling, hiking and exploring parks, bowling, and golfing.

McKell graduated with her Masters Degree from Rocky Mountain University of Health Professionals in 2023 where she received one of only 5 awards in her class. McKell graduated with her B.S. in Neuroscience from the Honors College at Westminster University where she played college soccer. Following college, McKell was a Semi-Professional soccer player for the Real Women’s Team in Utah and continues to play recreationally today. Outside of soccer she enjoys hiking, boating with her family, live music, and playing with her dog.