No Appointment Necessary!

From children to adults, Direct Orthopedic Care physicians and orthopedic-specialty trained Physician Assistants offer fast, affordable treatment of all minor to urgent orthopedic injuries, as well as chronic orthopedic conditions. (see our full list of services).


Mandi Amburn MMSc, PA-C

Mandi is a native Texan who grew up in Lubbock, Texas. She received her first undergraduate degree from Eastern New Mexico University in 2002. Then she attended Nova Southeastern University in Fort Lauderdale, Florida, and earned a second undergraduate degree in physician assistant studies and her Master of Science in Medical Sciences degree in 2005.

Mandi has an extensive background in orthopedics and sports medicine. She was a high school athletic trainer and earned a full ride scholarship to continue athletic training through college. Since receiving her Physician Assistant Certification in 2005 she has practiced in orthopedics. She has extensive experience in treating a wide range of guests, including athletes, joint replacement candidates and orthopedic oncology patients. She is board certified by the National Commission on Certification of Physician Assistants (NCCPA) and is a current member of both the American Academy of Physician Assistants and Texas Academy of Physician Assistants.

Mandi currently lives in Dallas. She enjoys spending time with her family, traveling and she is an avid sports fan.

Darren Richards, PA-C

A southern California native who recently relocated to Austin, Darren Richards, is a board certified Physician Assistant specializing in non-operative management of musculoskeletal and spine related disorders. He treats the entire spectrum of spinal conditions including cervical, thoracic, and lumbar spine pathologies as well as general orthopedic and sports medicine conditions. My focus is to restore patient function and alleviate pain through minimally invasive and conservative treatment options.

Darren attended the University of LaVerne for his undergraduate degree in Athletic Training. He went on to attend PA school at Loma Linda University in California. He completed his surgical and orthopedic training at HOAG Hospital and at Newport Orthopedic Institute. Darren resides in Lakeway and enjoys wakesurfing, going to the gym and spending time with his wife and three dogs.


Direct Orthopedic Care – Round Rock
2000 S Interstate Hwy 35
Round Rock, TX 78681

(512) 599-9180


Mon-Sat: 10am-6pm
Sunday: 12Noon-6pm

Direct Orthopedic Care, Specialist Skills Without the High ER Bill!