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Hours of Operation
Monday–Friday: 8 a.m. to 5 p.m.
Saturdays: 8 a.m. to noon.
We offer same-day appointments for established patients with routine illness or injury at our Lake Nona office. Patients are seen by appointment only — this is not a walk-in clinic. Call (407) 243-2040 on Saturday to schedule an appointment to see a Nemours pediatrician. Get Directions
Specialty Services
In addition to primary care, we also offer pediatric cardiology at this location.
Appointments: Call for availability
Complimentary Meet-and-Greet Appointments
Important Numbers
Fax: (772) 562-5702
Poison Control: (800) 222-1222
Emergencies: 911
Why Choose Us
With an experienced team led by board-certified primary care pediatricians, we offer kids — newborns to age 18 — general primary and preventive health services, including sick- and well-child visits, immunizations and care for everyday bumps and bruises.
Your Child's Patient-Centered Medical Home
We are a certified Patient-Centered Medical Home, which means your child receives coordinated care that meets stringent national standards. Here, we take a team approach to caring for your child, and you are an important member of the team. Learn More »
Families choose us for comprehensive pediatric primary care and:
- focus on prevention, whole-child wellness and effective management of chronic conditions
- family inclusion in care decisions
- coordination of services, including those outside our office
We also offer services such as:
- breastfeeding support (from a certified lactation specialist)
- asthma care and education
- care for kids with special learning needs
- combined traditional and complementary medicine
- access to Nemours pediatric experts in a wide range of specialties, close to home
- 24/7 online doctor visits with Nemours pediatricians via CareConnect
- seamless physician access electronic health records so we're all on the same page
- online patient portal and email communication with caregivers through MyNemours
First Visit
For the first visit, a child must be accompanied by a parent or legal guardian with proof of custody.
Interpreter Services:
- available for most languages
- available for hearing impaired with advance notice
Doctors & Care Teams
Jessica L. D'Elia, MD
Practicing Since: 2011
Languages Spoken: English
Languages Spoken: English
Laura L. Johnson, MD
Practicing Since: 1999
Languages Spoken: English
Languages Spoken: English
Genevieve Mallon, MD
Practicing Since: 1998
Languages Spoken: German
Languages Spoken: German
Karen Ruth Westberry, MD
Practicing Since: 1993
Languages Spoken: English
Languages Spoken: English
Map & Directions
Our pediatric primary care office is located on the south side of 35th Lane, west of 11th Court, just a few minutes drive from Cleveland Clinic Indian River Hospital.
Extra Safety Measures
We have taken every possible precaution to make sure our locations are safe for you and your children, including:
- COVID-19 screening for everyone
- safeguards for social distancing
- everyone over 2 y.o. must wear mask
- deep cleaning daily
Locations & Services
Children can get the full spectrum of pediatric care through our extensive network.
The Best Measles Protection: Vaccination
The United States is seeing the highest number of measles cases since 1994, with reports in 24 states. Call your doctor to make sure your family’s vaccines are up to date.
Office Policies
If your child is a new patient, we’ll set a time for you to come in and fill out demographic and medical history paperwork. At that time, we’ll schedule your child’s first appointment with one of our physicians on a different day.
Note: By Florida law, we are unable to see patients until we have demographic information and a medical history on file.
24/7 Online Doctor Visits
See a Nemours pediatrician for minor illnesses and injuries 365 days a year with on demand doctor visits. Access a live video visit from your mobile device or computer.
Billing Information
Get help with your child's health care expenses. Financial Assistance »
Use online bill pay or send by mail. Pay Your Bill »
Note: Bills and forms are from Children's Health Alliance, the name of the Nemours pediatric network.
Primary Care Blog
Advice from our experts on helping your child grow up happier and healthier.
Nemours App
Get easy, secure access to your child’s medical records, see a pediatrician on-demand, search our award-winning educational content and get other tools designed to help you keep your child healthy. Log In | Learn More »
Note: This app replaces MyNemours. Use your MyNemours username and password to log in.