McKenzie was born in Lafayette, Louisiana but grew up in a small town outside of Houston, Texas. After graduating high school, she decided to return to her family’s home state to attend Louisiana State University. Geaux Tigers! There she studied biology with an interest in becoming a Physician Assistant. Once she graduated, she decided to move to Austin, Texas in order to be close to her family who had moved there when she left for college. In an effort to gain experience for her future career, she then became the medical assistant for Dr. Frosty Moore. However, she left to attend the South University Physician Assistant Program in Savannah, Georgia, only to return in 2022 to be a Physician Assistant for Legacy Bone and Joint Orthopedics. McKenzie is very excited to start her career, not only in orthopedics, but alongside the doctors that inspired her passion for the specialty. In her free time, she enjoys being active whether it’s in the gym or on the trails with her dog, Ryder, along with other various activities including cooking, fishing, playing tennis, and snowboarding when she gets the chance.

Frosty D.R. Moore, M.D. is a board certified orthopedic surgeon, and has been practicing in Austin for 30 years. He was born in Austin and has lived here most of his life. Frosty married his wife in 1981 in NYC, where she is from. She is also a physician. They have four grown sons; three are orthopedic surgeons and plan to join Frosty, eventually taking over his practice upon his retirement. Frosty first established his practice in Austin in 1986 with two partners as Texas Orthopedics, which grew into a very large group. After 20 years, he developed a new practice that his sons could eventually share with him. This would be more personal and manageable, and where Frosty is at today. Frosty’s special interests are: rodeo, hunting, playing guitar and harmonica, scuba diving, skiing, ranching, and grandkids. All four of his sons will be living around Frosty and his wife in Austin. Over the past 30 years Frosty has performed approximately 6,000 total joints (hips, knees, ankles, and shoulders) and 9,000 arthroscopies, including those associated with sports medicine and reconstructions. His first 17 years in practice were spent attending to major traumas around Austin. Being born in Austin, Frosty’s roots are here; having first attended Eanes Elementary in Westlake, when it was a two-room schoolhouse; then Austin High; and then the University of Texas at Austin on a baseball scholarship, culminating in the 1975 National Championship title. After completing a residency in orthopedics in El Paso, and moving back to Austin, Frosty wanted to give back to his community. He is fluent in Spanish, as are his wife and all four sons. He coached all four of his sons in baseball, which has always been his passion, was Scout Master for their troops from ages 6-14, and a founder and director of Rodeo Austin. For the past eight years, Frosty has been the chief of surgery at Westlake Hospital, as well as Vice President of Austin Surgical Hospital in the past. Presently, he sits on the board of Rodeo Austin (23 years), Lone Star Cattleman’s Association, and Westlake Hospital. Giving back has come in many forms in his career, such as team physician for five area high schools, Austin Ice Bats hockey team, and one of the Justin Sports Medicine team doctors for PRCA Rodeos. He is also generous with donations and time offered to community support programs, including The Weekend Warriors. His life has been dedicated to his community and patients, and he will hand down his experience and care to his sons who will follow in his footsteps.

Grayson Moore, M.D. is a board certified orthopedic surgeon who was born in El Paso, Texas, where his parents were completing their medical residencies. They later moved to Austin, where he was raised on Barton Creek with three younger brothers. Dr. Moore knew from a young age that he wanted to pursue a career in medicine after watching both of his parents. With this goal in mind, after graduating from St. Michael’s Academy in Austin, he went on to receive his BA in Biology from the University of Texas at Austin. While there, he helped conduct studies on total joint orthopedic prosthetics for FDA approval. He earned his MD from the University of Texas Health Science Center at San Antonio. After completing his MD, he moved to Galveston to complete a residency in orthopedic surgery at the University of Texas Medical Branch. While there, Dr. Moore rotated through the world-renowned MD Anderson Cancer Center and Texas Orthopedic Hospital in Houston, learning various complex joint reconstruction techniques. His research on total joint infections has been presented at multiple conferences and was published in Current Orthopaedic Practice, winning Best Resident Research Award and the Lockhart Award at UTMB for best resident research. Because of his passion for patient care, he has also volunteered with Operation Rainbow in Central America, performing free orthopedic surgery for indigent children and young adults who do not have access to related medical procedures or equipment. Dr. Moore loves serving the community where he grew up. He is currently a member of the Justin Sports Medicine Team, taking care of injured cowboys and rodeo participants. He also works with local high school teams to treat their medical needs. He has previously coached Little League baseball and looks forward to continue coaching as his children grow up. Dr. Moore is not only passionate about patient care, but his family as well. He is married to his high school sweetheart Paige, and has three amazing children, Parker, Cassidy, and Emerson. A former athlete, he loves being active and going on adventures with his family. His favorite pastimes include hunting, camping, scuba diving, boating, writing music and playing guitar.

Dustin Moore, M.D. is a board certified orthopedic surgeon. He was born in El Paso, TX where his parents were completing their medical training. He moved to Austin at a young age where he grew up in the beautiful Texas Hill Country. He has one older brother and two younger brothers, two of which are also orthopedic surgeons. After attending high school at St. Michaels Academy, Dr. Moore left Texas for a while to complete his undergraduate degree at Boston College. He lived in New England for four years studying communications and working as a part time real estate agent. He enjoyed the rich cultures of America’s roots, but got back to Texas as soon as he could to attend medical school at The University of Texas Medical Branch in Galveston. There, he met the love of his life Trina. Together Trina and him moved to Lubbock where Dr. Moore attended orthopedic residency at Texas Tech Health Sciences Center.They welcomed their daughter, Blakely, just before they moved back to Austin to be close to his family and join in practice with his brother and father. Dr. Moore enjoys spending time with his family and traveling the world. He and his wife, Trina, have a passion for travel and adventure. They have been all over the world together including Thailand, Germany, Turkey, Greece, Italy and Mexico. They are excited to share these adventures with their child. Dr. Moore is excited to begin his next adventure in Austin. He is a member of the Justin Sports Medicine team taking care of injured cowboys in and out of the arena. He is committed to taking care of the people of Austin and its surrounding areas for their sports and orthopedic needs.

Adam grew up on a farm in rural Nebraska. Upon graduation from high school, he moved to "the big city" of LIncoln Nebraska where he attended Nebraska Wesleyan University for his undergraduate training. While attending college, Adam had a successful track career. He was an All-American hurdler and was fortunate enough to be a National Champion in the 110 meter high hurdles his senior year. Once he graduated from NWU, he attended the Physician Assistant Program at the University of South Dakota School of Medicine. After graduating from USD in 2000, he relocated to Southern California where he began working in the area of Orthopedics. Adam worked in many specialties in the field of Orthopedics ranging from hand surgery, sports medicine, general Orthopedics, and trauma. Adam relocated to Austin in 2012. He is living on an acreage in the Spicewood area where he enjoys the miniature "farm life" reminiscent of his upbringing. He is a lover of all animals, especially his dogs. He lives a very active lifestyle which includes many sports including running, yoga, and volleyball. He also enjoys life on the lake and is an avid "fly-boarder".