Some of the accreditations and honors that Medical City Lewisville has received include:
- American Academy of Sleep Medicine – Sleep Center Accreditation
- American Association of Cardiovascular and Pulmonary Rehabilitation – Program Accreditation
- American College of Radiology – Accreditation in Breast MRI, CT Scan, MRI, and Ultrasound
- American College of Surgeons – Commission on Cancer (CoC) Program Accreditation
American Nurses Credentialing Center Magnet Recognition Program® – Magnet Designated Hospital- College of American Pathologists – Laboratory Accreditation
- Emergency Nurses Association – Lantern Award 2016-2019 (Medical City ER Flower Mound)
- Recipient of the Healthgrades Patient Safety Excellence Award™ (2018-20)
- Named Among the Top 10% in the Nation for Patient Safety (2018-20)
- Five-Star Recipient for Treatment of Stroke (2020)
- Five-Star Recipient for Treatment of GI Bleed (2019-20)
- Recipient of the Healthgrades Labor and Delivery Excellence Award™ (2019-20)
- Recognized by Healthgrades for Superior Performance in Labor and Delivery (2019-20)
- Among the Top 10% of Hospitals Evaluated for Labor and Delivery (2019-20)
- Five-Star Recipient for Vaginal Delivery (2015-20)
- Five-Star Recipient for C-Section Delivery (2015-20)
- Five-Star Recipient for Hysterectomy (2018-20)
- International Board Certified Lactation Consultant® (IBCLC®) – IBCLC Care Award 2017 (Donor Breast Milk Program Recognition for Excellence in Lactation Care)
- Intersocietal Accreditation Commission – Comprehensive Nuclear Medicine, Echocardiography, and Vascular Laboratory Accreditations
- Living Magazine Best Of Flower Mound Readers’ Choice – Best Emergency Room in 2017 and 2015 (Medical City ER Flower Mound)
- Living Magazine Best Of Flower Mound Readers’ Choice – Best Rehabilitation Center in 2017 and 2015
- Press Ganey – Pinnacle of Excellence Award for Patient Experience and Clinical Outcomes 2017 (Medical City ER Flower Mound)
- Texas Department of State Health Services – Level III Trauma Center
- Texas 10 Step Program
- Texas Hospital Association – Quality Improvement Silver Award 2014
- Texas Hospital Association – Bill Aston Award Recipient 2012
The Joint Commission Disease-Specific Care Certifications – Inpatient Stroke Rehabilitation, Total Hip & Knee Joint Replacement- The Joint Commission – National Quality Approval
- The Joint Commission – Primary Stroke Center Certification
- The Joint Commission – Top Performer for Key Quality Measures® 2015
- The Leapfrog Group – Fall 2017 Hospital Safety Score "A" Grade in Patient Safety
- The Leapfrog Group – Top General Hospital 2016
- U.S. News & World Report – 2017 High Performer Hospital for Congestive Heart Failure & COPD
- Women's Choice Award – America’s Best Hospitals for Emergency Care and Patient Safety 2018