St. David's HealthCare

St. David's HealthCare is one of the largest health systems in Texas and Austin's third-
largest private employer, with more than 60 sites throughout Central Texas, including
seven hospitals, four urgent care centers, four ambulatory surgery centers, and two
freestanding emergency departments, with a third set to open in Bastrop this summer.

St. David's HealthCare has a long history of serving the residents of Central Texas
with exceptional medical care. Our 7,500 employees touch over 858,000 lives each
year with a spirit of warmth, friendliness and personal pride.

Trauma Services


Trauma Services at St. David’s Round Rock Medical Center opened in January 2010, providing care for all levels of trauma patients. The program is a multi-specialty service with general surgery, orthopedic surgery and neurosurgery at its core.

Under the direction of Chief Medical Officer David Martin, MD, a general surgeon with 14 years of trauma experience, the medical center recruited Michael Craun, MD, FACS, a highly qualified trauma surgeon and board-certified critical care specialist, to be the hospital’s Trauma Medical Director. With 25 years of trauma experience, Dr. Craun has made numerous notable professional accomplishments in this field. 


Michael L. Craun, MD, FACS - Trauma Medical Director Michael L. Craun, MD, FACS, is a highly qualified and experienced trauma surgeon and critical care specialist. Prior to joining St. David’s Round Rock Medical Center in January 2010, Dr. Craun served as the Medical Director of Trauma Services for the Level I Trauma Center at Scott & White Hospital in Temple. Previously, Dr. Craun was the Medical Director of Trauma Services at Swedish Medical Center in Englewood, CO, a Level I Trauma Center in the Denver metro area.

Mark Parrella, MD - Orthopedic Trauma Medical Director Mark Parrella, MD, is a board certified orthopedic surgeon specializing in trauma care. Dr. Parrella is an Assistant Professor at Texas A&M Health Science Center COM in Round Rock, and has served on the faculty at AONA in Devon, Pennsylvania.

+ Learn more about our Trauma Leadership

Distinguishing Features

St. David’s Round Rock Medical Center offers experienced and state-of-the-art medical and trauma care to Williamson and surrounding counties. The center provides:

  • Treatment for all levels of trauma patients, including the most severely and critically injured neurotrauma, orthopedic trauma and maxillofacial trauma patients 
  • Trauma Surgeon in-house 24/7
  • Operating Suite Team in-house 24/7
  • Anesthesia Team in-house 24/7
  • ICU care managed by Trauma Surgeon board certified in surgical critical care
  • Trauma Fellowship Trained Orthopedic Surgeon 
  • Experienced medical and nursing leadership and staff, with extensive backgrounds in trauma care
  • Trauma room with dedicated ambulance entrance

Level II Capabilities

  • On-Call Specialists including Neurosurgeon, Orthopedic Surgeon, Cardiovascular and Maxillofacial Trauma Panel 
  • Interventional Radiology
  • Vascular Surgery
  • Four Trauma / Cardiac Rooms
  • Board Certified Emergency Department Physicians
  • Advanced Technologies for Rapid Diagnosis and Treatment

Emergency Services at St. David's HealthCare

Visit the Emergency and Urgent Care Services section to learn more about all services offered at all St. David's HealthCare locations. Get helpful resources related to this, including access to our health library and news, classes & events.Go Now.

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Medical Services

  • Breast Care and Women's Imaging
  • Cancer
  • Emergency Department
  • Heart and Vascular Services
  • Imaging Services
  • Newborn and Infant
  • Orthopedics
  • Rehabilitation Services
  • Surgery
  • Weight Loss Surgery
  • Wound Care
  • Learn More
St. David's Round Rock Medical Center
2400 Round Rock Ave.
Round Rock, TX 78681
Telephone: (512) 341-1000
Map & Directions