William Giles Stuart Mackenzie, MD


Primary Office

Nemours Children's Hospital, Delaware Nemours Children's Hospital, Delaware 1600 Rockland Road Wilmington, DE 19803 Appointment: (800) 416-4441

Other Offices

Education & Training


  • Pediatric Orthopedic Surgery - Alfred I. duPont Hospital for Children, 2019


  • Orthopedic Surgery - Columbia University/Presbyterian Hospital, 2018

Medical/Dental School

  • MD - New York Medical College, 2013

Board Certifications

  • American Board of Orthopaedic Surgery

Insurance Accepted

  • Aetna Better Health FL Medicaid and Healthy Kids
  • Aetna Better Health PA Kids HMO
  • Aetna HMO
  • Aetna PPO/EPO/POS
  • Aetna PPO/POS/EPO
  • Amerihealth Caritas Delaware
  • Amerihealth Caritas Delaware NJ
  • AmeriHealth Caritas Florida (FKA Prestige Health Choice)
  • AvMed
  • Blue Cross and Blue Shield HMO
  • Blue Cross and Blue Shield Non HMO
  • Blue Cross Blue Shield Florida Blue Select
  • Carefirst MD Community Health Plan Mcaid
  • Cigna & Great West HMO/POS Open Access
  • Cigna & Great West HMO/POS/EPO
  • Cigna & Great West PPO
  • Cigna & Great West PPO/EPO
  • Cigna/Great West HMO EPO POS
  • Cigna/Great West PPO
  • Community Care Plan Medicaid
  • Delaware First Health
  • Delaware Medicaid/Diamond State
  • Delaware Medicare
  • Employers Health Network PPO
  • Evolutions Healthcare
  • Fidelis Care NJ Medicaid HMO
  • First Health PPO
  • First Health/Affordable PPO
  • Florida Medicaid
  • Geisinger Health Plan Commercial
  • Global Medical Managment DE/PA
  • Global Medical Mangment NJ
  • Health First Health Plans
  • Health Partners Medicaid/Kidz Partner HMO
  • HealthSmart Health Plans PPO
  • Highmark Blue Cross Blue Shield of Delaware
  • Highmark Blue Cross Blue Shield of Delaware *PA Loc Contiguous to DE*
  • Highmark Blue Cross Blue Shield of Delaware *PA Loc NONContiguous to DE*
  • Highmark Blue Cross Blue Shield of Pennsylvania
  • Highmark Medicaid Health Options
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana HMO/POS
  • Humana PPO/EPO
  • Independance Blue Cross/Amerihealth/Keystone Health Plan
  • Insurance Administrators of America
  • INTEGRA Administrative Group (ClaimsBridge)
  • Keystone First Medicaid HMO
  • Lifetrac Transplant
  • Maryland Medicaid
  • Molina Healthcare Medicaid
  • Multiplan PPO
  • National Transplant (Humana)
  • New Jersey Medicaid
  • Olympus Managed Healthcare PPO DE/PA
  • Olympus Managed Healthcare PPO ORL
  • Pennsylvania Medicaid
  • Plan Vista/NPPN PPO
  • Preferred Healthcare PPO
  • Prime Health Services PPO Specialty Florida
  • Private Health Care Systems (PHCS)
  • Private Healthcare Systems (PHCS)
  • Qualcare HMO/POS/PPO
  • Seminole Tribe of Florida
  • Simply Healthcare Healthy Kids
  • Simply Healthcare Medicaid HMO
  • Star Healthcare Network
  • Sunshine SMI/CMS 19 & 21
  • Sunshine State Health Plan Medicaid
  • Three Rivers Provider Network
  • Tricare/Humana Military Health Services/CHAMPVA
  • United Healthcare Commercial Products
  • United Healthcare Community Plan Medicaid
  • United Healthcare of the Mid-Atlantic
  • UPMC Medicaid
  • US Family Health Plan
  • Volusia Health Network PPO/EPO
  • Wellpoint Maryland Medcaid

  • Fracture Management
  • Limb Length Discrepancy
  • Scoliosis
  • Skeletal Dysplasia
  • Spinal Deformities

  • Achondroplasia natural history study (CLARITY): 60-year experience in orthopedic surgery from four skeletal dysplasia centers.; Orphanet journal of rare diseases; (2023).

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  • Tracheal Narrowing and Its Impact on Anesthesia Care in Patients With Morquio A (Mucopolysaccharidosis Type IVA): An Observational Study.; Anesthesia and analgesia; (2023).

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  • Predictors of rod length gain and sagittal alignment change after magnetically controlled growing rod lengthening.; Spine; (2023).

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  • Growth Modulation by Tension Band Plate in Achondroplasia With Varus Knee Deformity: Comparison of Gait Analysis Measurements.; Journal of pediatric orthopedics; (2023).

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  • Walking status and spinopelvic parameters in young children with achondroplasia: 10-year follow-up; Spine Deformity; (2023).

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  • Risk Factors for Rebound After Correction of Genu Valgum in Skeletal Dysplasia Patients Treated by Tension Band Plates.; Journal of pediatric orthopedics; (2022).

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  • Elongation-Derotation-Flexion Casting Treatment of Early-Onset Progressive Scoliosis in Skeletal Dysplasia.; Journal of pediatric orthopedics; (2022).

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  • Evaluation of Gait Pattern and Lower Extremity Kinematics of Children with Morquio Syndrome (MPS IV). ; Diagnostics (Basel, Switzerland); (2021).

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  • What Should I Wear to Clinic? A National Survey of Pediatric Orthopaedic Patients and Parents.; Journal of pediatric orthopedics; (2020).

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  • Team Approach: Preventing Surgical Site Infections in Pediatric Scoliosis Surgery.; JBJS reviews; (2018).

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  • Prevalence of scoliosis in patients with Fontan circulation; Archives of Disease in Childhood; (2013).

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  • Surgical site infection following spinal Instrumentation for scoliosis: A multicenter analysis of rates, risk factors, and pathogens; Journal of Bone and Joint Surgery; (2013).

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  • English