Seton Family of Doctors

Bennie C. McWilliams, MD

Director, Respiratory Therapy, Director, Cystic Fibrosis Center

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Bennie C. McWilliams, MD

Director, Respiratory Therapy, Director, Cystic Fibrosis Center

Dr. McWilliams moved to Austin in 1998 from the University of New Mexico to start a pediatric pulmonary program. He is the director of the Cystic Fibrosis Center and the director respiratory therapy for Dell Children's Medical Center. He is active in clinical care and local research.

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Hospital Affiliation

  • Dell Children's Medical Center of Central Texas
  • Dell Seton Medical Center at The University of Texas
  • Seton Medical Center Austin
  • Seton Medical Center Hays
  • Seton Medical Center Williamson
  • Seton Northwest Hospital
  • Seton Smithville Regional Hospital
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Provides Care Through

  • Dell Children's Medical Group

My Passion for Healthcare

I went into medicine thinking I would be doing primary care. When I worked in the pediatric unit I knew I'd found my place playing with the kids when making rounds. During my residency I enjoyed working with children with chronic lung problems, including asthma and cystic fibrosis. I spent the early part of my career doing pediatric critical care. However, I found that I enjoyed taking care of patients long-term and changed to just pulmonary. There have been many recent developments in the care of patients with cystic fibrosis and asthma and I love taking care of the patients and the families.

Services I Provide

  1. Treatment of Cystic Fibrosis
  2. Treatment of Asthma
  3. Treatment of Chronic Lung Disease
  4. Flexible Bronchoscopy

Degree & Residency

  • Medical School

    University of Texas Medical Branch at Galveston, Galveston, TX

  • Residency

    University of New Mexico Medical School, Albuquerque, NM

  • Fellowship

    Childrens Hospital National Med Ctr, Washington, DC

    University of New Mexico Medical School, Albuquerque, NM

  • Board Certification

    American Board of Pediatrics

    AB of Pediatrics, Pediatric Pulmonology

My Clinical Focus

My primary practice focus is on cystic fibrosis and asthma. I also care for other chronic pulmonary problems. In addition to my clinical practice, I am active in clinical care for both cystic fibrosis and asthma. I enjoy being able to participate in improving the care of these patients through the new research techniques.


  1. American Academy of Pediatrics
  2. American Thoracic Society

Insurances Accepted

    Seton Family of Doctors currently participates with various insurance plans. Insurance listings are subject to change without prior notice. Please contact your provider to verify participation prior to scheduling your visit.

  • Aetna - Commercial
  • Aetna QHP - Exchange Plan
  • Amerigroup - STAR and CHIP
  • ARIA (Covenant Management Systems) ARC Benefit Plan - Contracted for the following specialties ONLY: Craniofacial Reconstructive Plastic Surgery, Gastro, Inf. Disease, Neurology, Neurosurgery, Opththalmology, Otolaryngology, Pulmonary, General Surgery, Trauma Surgery
  • Averde Health - Commercial PPO
  • Beechstreet - Commercial PPO
  • Blue Cross - Medicare Advantage
  • Blue Cross-Blue Advantage - Exchange Plan
  • Blue Cross-Medicaid - STAR & CHIP
  • BlueCross - Commercial
  • Care Improvement Plus - Dual Special Needs
  • Care Improvement Plus - Medicare Advantage
  • Cigna - Commercial
  • Cigna LocalPlus - Exchange Plan
  • Coventry Workers Comp - Select providers
  • First Care - HMO/PPO
  • First Health/Coventry - Commercial
  • Galaxy Health Network PPO - Commercial
  • Health Payors Organization - Commerical PPO
  • HealthSmart Accel - Commercial PPO
  • HealthSmart Preferred Care - Commercial PPO
  • Hospice Austin - Hospice-In-Patient
  • Humana - Commercial
  • Humana HMOx - Exchange Plan
  • Humana-Medicare Advantage
  • Integrated Medical Systems - Commercial PPO
  • Medicaid (Traditional)
  • Medicare
  • Multi-Plan Commercial - PPO
  • PHCS - Commercial
  • Sendero - STAR and CHIP
  • Sendero IdealCare - Exchange Plan
  • Seton Health Plan - Commercial
  • Seton Health Plan - MAP
  • Seton Health Plan - STAR and CHIP
  • Superior - STAR and CHIP
  • Superior Ambetter - Exchange Plan
  • TriCare - All Products
  • United HealthCare - Commercial All Other
  • United HealthCare - Options PPO
  • United HealthCare Star and CHIP - Americhoice or UHC Texas STAR, CHIP
  • United HealthCare- AARP Medicare Complete FOCUS- UHC Network - Medicare Advantage
  • United HealthCare-Dual Complete Focus (HMO SNP)-UHC Network - Medicare Advantage
  • United HealthCare-Evercare STAR PLUS - Medicaid
  • United Healthcare-Medicare Advantage--UHC Network - Medicare Advantage
  • United Student Resources (UT Student Division) - PPO
  • USA Managed Care - PPO

View All Accepted Insurances


Why Choose Dell Children's

Dell Children's offers a different brand of healthcare. We call it personalized care. We believe in showing everyone dignity and respect while providing the best care possible for the children we serve.

We are the premier healthcare provider for children and adolescents in Central Texas. While Dell Children's Medical Center is the cornerstone of our pediatric care, our doctors, nurses and associates work in schools, clinics, programs and practices throughout the community to deliver excellent care and better health for our children.

We provide a range of health services to keep your children healthy. We are advancing healthcare and improving lives with easy clinical visits for everyday illnesses, school district and county health partnerships, in-hospital playtime through our child life program, community outreach events and innovative medical treatments for complex and specialized illnesses.

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