Lloyd N. Werk, MD

Consultative Pediatrics

Primary Office

Nemours Children's Hospital, Florida Nemours Children's Hospital, Florida 6535 Nemours Parkway Orlando, FL 32827 Appointment: (407) 650-7715

Other Offices

Get to Know Me

One of my goals as a pediatrician, is to make sure kids have the best possible chance to enjoy their childhood – to help them grow up to lead happy, healthy lives. The best way I can make that happen, is by encouraging  healthy lifestyle choices, as well as working with our community partners to spread health promotion.

Why I Treat Children

As a pediatrician, I provide care to kids with a wide range of medical issues. I’m humbled to believe that my efforts could have a positive impact on children. My work is devoted to developing programs that promote healthy lifestyles in kids.

What I'm Passionate About

Childhood obesity is becoming an epidemic and can lead to diabetes, heart disease, and other serious medical problems later in life – and it’s largely avoidable. I feel strongly that our society can reverse this alarming trend if we teach parents and children how to manage weight and make healthier choices early in life.

How I Try to Make A Difference

I direct a weight management program that provides medical, nutritional, and psychosocial help for kids and their families. As the Chief of General Academic Pediatrics and Hospital Medicine, I work with my division to provide services that bridge primary care pediatrics and subspecialty care to meet the needs of patients. I love working with the Office of Quality and Safety to help doctors and nurses improve quality and health outcomes.

Education & Training


  • Pediatrics - Boston Medical Center, 1999


  • Pediatrics - Children's Hospital of Buffalo, 1988


  • Pediatrics - Children's Hospital of Buffalo, 1990

Medical/Dental School

  • MD - Sackler School of Medicine - Tel Aviv University, 1987

Board Certifications

  • American Board of Pediatrics/General Pediatrics

Awards & Recognition

  • 2014 Best Doctors in America
  • 2013 Best Doctors in America
  • 2012 Nemours Physician Excellence in Quality Award; Florida Practice, Nemours
  • 2011 Best Doctors in America
  • 2010 Best Doctors in America
  • 2009 Best Doctors in America
  • 2009 Physician Hero, Health Care Heroes, Orlando Business Journal, Orlando, FL
  • 2006 Physician of the Year; The Alfred I duPont Award, Nemours Children’s Clinic, Orlando, FL
  • 2016 Orlando Magazine Best Doctors 2016
  • 2015 Best Doctors in America
  • 2015 Nemours Physician Excellence in Community Service Award; Florida Practice, Nemours Children’s Health System
  • 2016 Best Doctors in America
  • 2017 Best Doctors in America
  • 2018 Best Doctors in America
  • 2017 Top Doctors List, Consumer’s Checkbook
  • 2018 Top Doctors List, Consumer’s Checkbook
  • 2019 Nemours Physician Excellence in Scholarship Award; Florida Practice, Nemours Children’s Health System

Insurance Accepted

  • Aetna Better Health FL Medicaid and Healthy Kids
  • AmeriHealth Caritas Florida (FKA Prestige Health Choice)
  • AvMed
  • Blue Cross and Blue Shield HMO
  • Blue Cross and Blue Shield Non HMO
  • Blue Cross and Blue Shield of FL Network Blue
  • Blue Cross and Blue Shield of FL PPO/Traditional
  • Blue Cross and Blue Shield of Florida HMO/Health Options
  • Blue Cross Blue Shield Florida Blue Select
  • Cigna & Great West HMO/POS Open Access
  • Cigna & Great West PPO/EPO
  • Community Care Plan Medicaid
  • Employers Health Network PPO
  • Evolutions Healthcare
  • First Health Aetna PPO/EPO
  • Florida Medicaid
  • Florida Medicare
  • Health First Health Plans
  • HealthSmart Health Plans PPO
  • Humana HMO/POS
  • Humana PPO/EPO
  • Molina Healthcare Medicaid
  • Multiplan PPO
  • Olympus Managed Healthcare PPO ORL
  • Prime Health Services PPO Specialty Florida
  • 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
  • Volusia Health Network PPO/EPO

Research Activities

I serve as the Chief of Nemours Children's Hospital's Division of General Academic Pediatrics and Hospital Medicine, as well as direct a multidisciplinary weight management program focusing on the medical, nutritional, and psychosocial care of children with obesity. Caring for children with health consequences from their obesity motivates me to work towards prevention. I also direct Nemours Florida Prevention Initiative, which sponsors community outreach projects to help young children grow up healthy and ready to learn. I’ve authored and contributed to several manuscripts, presentations, and abstracts related to how patient care delivery can be improved, as well as efforts to promote healthy lifestyle changes. I’ve served on professional societies' boards and committees and have academic appointments with University of Central Florida, Florida State University, and University of South Florida. I also lead the Nemours Maintenance of Certification program, part of the Office of Quality and Safety, and contribute to projects promoting effective clinical decision-making.

Medical Interests

  • Childhood obesity and weight management
  • Evidence-based medicine
  • Health promotion
  • Healthy eating and physical activity
  • Quality improvement activities

  • Clinical Findings in Adolescents Hospitalized With EVALI; Novel Report on Coagulopathy; Hospital Pediatrics; (2022).

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  • Testing the Use of Data Drawn from the Electronic Health Record to Compare Quality; Pediatric Quality & Safety; (2021).

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  • Evaluation of "Healthy Way to Grow": An Obesity Prevention Program in Early Care and Education Centers; Early Childhood Education Journal; (2020).

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  • Quality Improvement Project to Promote Identification and Treatment of Children With Obesity Admitted to Hospital; American Journal of Medical Quality; (2020).

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  • Impact of a Personalized Audit and Feedback Intervention on Antibiotic Prescribing Practices for Outpatient Pediatric Community-Acquired Pneumonia; Clinical Pediatrics; (2020).

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  • Electronic Gaming Characteristics Associated with Class 3 Severe Obesity in Youth Who Attend the Pediatric Weight Management Programs of the COMPASS Network; Childhood Obesity; (2019).

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  • Promoting Adherence to Influenza Vaccination Recommendations in Pediatric Practice; Journal of Primary Care & Community Health; (2019).

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  • Feasibility of pediatric obesity and prediabetes treatment support through Tess, the AI behavioral coaching chatbot; Translational Behavioral Medicine; (2019).

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  • Use of EHR-Based Pediatric Quality Measures: Views of Health System Leaders and Parents; American Journal of Medical Quality; (2019).

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  • Provider-Focused Intervention to Promote Comprehensive Screening for Adolescent Idiopathic Scoliosis by Primary Care Pediatricians; American Journal of Medical Quality; (2019).

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  • Integrating childhood obesity resources into the patient-centered medical home: Provider perspectives in the United States; Journal of Child Health Care; (2019).

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  • A Provider-Focused Intervention to Promote Optimal Care of Pediatric Patients With Suspected Elbow Fracture; Pediatric Emergency Care; (2018).

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  • Feasibility of Using a Commercial Fitness Tracker as an Adjunct to Family-Based Weight Management Treatment: Pilot Randomized Trial; JMIR mHealth and uHealth; (2018).

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  • Electronic health record as a research tool: Frequency of exposure to targeted clinical problems and health care providers? clinical proficiency; Journal of Biomedical Informatics; (2017).

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  • Impact of Personalized Audit and Feedback on Management of Pediatric Outpatient Community-Acquired Pneumonia; Open Forum Infectious Diseases; (2017).

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  • Problem Video Gaming among Children Enrolled in Tertiary Weight Management Programs; Cyberpsychology, Behavior, and Social Networking; (2017).

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  • Relationship between abdominal adiposity and exercise tolerance in children with obesity; Pediatric Physical Therapy; (2016).

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  • The Impact of Increased Abdominal Adiposity on Exercise Tolerance in Children with Obesity; Pediatric Physical Therapy; (2016).

  • Reliability of Common Lower Extremity Biomechanical Measures of Children with and Without Obesity; Pediatric Physical Therapy; (2015).

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  • Quarterly visits with glycated hemoglobin monitoring: The sweet spot for glycemic control in youth with type 1 diabetes; Diabetes Care; (2014).

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  • Parent Perceptions to Promote a Healthier Lifestyle for Their Obese Child; Social Work in Health Care; (2011).

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  • Flexible interlocked nailing of pediatric femoral fractures: Experience with a new flexible interlocking intramedullary nail compared with other fixation procedures; Journal of Pediatric Orthopaedics; (2008).

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  • Comparing the effectiveness of modified forearm and conventional minidose intravenous regional anesthesia for reduction of distal forearm fractures in children; Journal of Pediatric Orthopaedics; (2008).

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  • Association between practice patterns and body mass index percentile in infants and young children with cystic fibrosis; Journal of Cystic Fibrosis; (2008).

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  • Evaluation of blood lead proficiency testing: comparison of open and blind paradigms.; Clinical chemistry; (2001).

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  • Beliefs about diagnosing asthma in young children; Pediatrics; (2000).

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  • Solid feeding guidelines; Lancet; (1998).

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  • Practical considerations when treating children with antimicrobials in the outpatient setting; Drugs; (1998).

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  • A Win-Win Scenario: Using the Electronic Health Record to Facilitate Quality Improvement and Achieve Physician Maintenance of Certification; Journal of Healthcare Information Management ; (0000).

  • English