Austin – Orthopedic – Specialist Team



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).


Merritt Pember, M.D.

  • Undergraduate: University of Colorado
  • Residency: Texas Tech University
  • Medical: West Virginia University


  • Arthroscopic shoulder rotator cuff repair, shoulder instability procedures and labral repair
  • Arthoscopic knee ACL reconstruction and meniscus repair
  • Joint replacement surgery
  • Carpal tunnel release
  • Adult and pediatric fracture care
  • General Orthopedics
  • Nonoperative musculoskeletal care
  • Diagnostic ultrasound and injections

Honors & Memberships:

  • American Academy of Orthopaedic Surgeons
  • Texas Orthopedic Association
  • Texas Medical Association
  • Army Commendation Medal for Service in Operation Iraqi Freedom 3


  • Board Certified American Board of Orthopaedic Surgery

Michael Manderson, M.D.

  • Undergraduate: University of California Santa Barbara
  • Residency: Texas Tech University
  • Medical School: Texas Tech University
  • Fellowship: Spine Surgery: Harvard Dept. of Neruosurgery

Dr. Manderson has practiced orthopedics in Texas for the last 13+ years. He has extensive experience in general orthopedics with an emphasis on reconstructive spine surgery.


  • Reconstructive Spine Surgery
  • Disc herniation, Degenerative disc disease
  • General orthopedics, Non-operative musculoskeletal care
  • Total joint replacement
  • Adult and pediatric fracture care

Ashton Want, PA-C

Ashton is a native Oklahoman who grew up in the small town of Anadarko. She received her undergraduate degree from Oklahoma State University in Still water, OK and completed her Physician Assistant training at the University of Oklahoma Health Science Center in Oklahoma City.

Ashton brings several years of orthopedic knowledge to DOC from her urgent care experience and most recently her employment with an orthopedic surgeon assisting in knee and hip arthroplasties. She is educated not only in treatment of acute sprain/strains, fractures and lacerations but also post-operative care and joint replacement. She is board-certified by the National Commission on Certification of Physician Assistants and is a current member of the American Academy of Physician Assistants.

Ashton recently moved with her husband from Dallas to San Marcos. She enjoys spending time with her family, traveling and being outdoors.

Lisa Cronin

Lisa Cronin, PA-C

Lisa attended the College of William and Mary in the beautiful state of Virginia. There, she majored in Biology, and lettered in NCAA Div I Track & Field for 4 yrs.

She earned a Masters in Exercise Physiology from the University of Texas at Austin and then a Masters in Physician Assistant Studies from the University of Texas at Galveston-Medical Branch.

She has practiced in Orthopedics for 12 years: 4 years of Adult General practice, a year of Spine Surgery, and 7 years of Pediatric General practice at Austin’s Level 1 Children’s Hospital. She is a member of the American Academy of Physician Assistants, Physician Assistants in Orthopedic Surgery, and the American College of Sports Medicine.

She likes to read and travel, and has recently swapped out running for hiking and camping. She has a very adorable mutt named Goose.


William Fox, PA-C

William is a native Texan who grew up in East Texas at Toledo Bend Lake. He received his Physician Assistant degree from the University of Texas Medical Branch at Galveston.

William has worked in orthopedics for over nineteen years and has extensive experience in treating a wide range of guests from children to geriatrics with both surgical and non-surgical maladies. He is board-certified by the National Commission on Certification of Physician Assistants and is a current member of the American Academy of Physician Assistants and the Central Texas Physician Assistant Society.

William currently lives in Oak Hill with his wife and young daughter. He enjoys spending time with his family, camping and working in the yard.


Direct Orthopedic Care – South Austin
401 West Slaughter Lane
Suite 300
Austin, TX 78748

(512) 888-1201

MON-FRI: 8:00A-8:00P
SAT-SUN: 10:00A-8:00P


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