Open 24/7
Serving Lake Nona, Orlando, and surrounding communities with 24/7 emergency veterinary care. Our modern facility features digital X-ray, ultrasound, in-house laboratory and 24/7 ICU care.
11739 Narcoossee Rd Suite 110, Orlando, FL 32832
Walk in — no appointment needed
Start your check-in before you arrive so our team can be ready to welcome you and help make your pet’s arrival smoother.
If your pet needs immediate attention, come directly to the hospital.
Have questions about an emergency? Call this location directly. Our team can help you determine if your pet needs to come in right away.
COST & PAYMENT
We accept all major credit and debit cards, cash, CareCredit, and Cherry financing.
Credit & debit cards
Cash
CareCredit
Cherry financing
Take a look at our state-of-the-art facility designed for your pet's comfort and safety.
In an emergency, not knowing what is happening can be one of the hardest parts. At Greenlight Pet ER, our large glass window into the treatment area gives pet parents visibility into their pet’s care while preserving a safe, protected clinical environment.
This separation allows our medical team to provide the best possible care with the focus, cleanliness, and infection-control standards each patient deserves — while helping you remain connected to your pet’s journey.
Our Lake Nona team combines emergency veterinary expertise with genuine compassion for every pet.
Hospital Manager
Bringing more than 20 years of experience in veterinary medicine and leadership. Throughout his career, he has worked in nearly every area of the profession, giving him a well-rounded understanding of patient care, hospital operations, and client service.
Medical Director
Dr. Joni Shimp, with over 20 years in veterinary medicine, surgery, and animal behavior, earned her DVM from North Carolina State University. She founded Cape Fear Raptor Center and excels in leadership, client care, and hospital management.
DVM
Dr. Jen Flower is an ER veterinarian passionate about helping pets through urgent and critical situations with calm, compassionate care. She also has experience in zoo, exotic, and wildlife medicine. Outside of work, she enjoys spending time with her husband and two daughters and riding her horse.
DVM
Dr. Jessica DeRosa earned her DVM from Cornell University and since graduating has practiced emergency medicine exclusively. She is dedicated to guiding pets and their families through urgent situations. She lives in Gainesville with her soon to be husband and their pup, Callie.
DVM
Dr. Richard D'Amico is an emergency veterinarian focused on high-acuity triage, critical care, and practical client-centered medicine. He prioritizes clear communication, decisive intervention, and structured care plans that support strong outcomes for patients and their families.
Everything needed to diagnose and stabilize your pet, all under one roof, available 24/7.
Quality intensive care when the unexpected happens. Our team handles the full spectrum of veterinary emergencies 24/7.
No appointment necessary. Bring your pet in anytime and our team will evaluate them immediately.
On-site lab testing provides faster results and accurate diagnostics, blood work, urinalysis, and more.
High-resolution digital imaging for fractures, foreign objects, bladder stones, and more.
Non-invasive imaging to visualize organs, detect fluid, and diagnose conditions in real time.
24/7 ICU monitoring, IV therapy, oxygen support, and nursing care for critical patients.
Emergency procedures performed on site, from foreign body removal to abdominal surgery, with a doctor in the building all night.
A flexible scope that can retrieve what your pet swallowed without an incision, and take biopsies when we need answers.
A separate space for contagious patients, so pets with parvo or other infections get full care without putting others at risk.
FAQ
Everything you need to know before visiting our Lake Nona emergency hospital.
We are located at 11739 Narcoossee Rd, Orlando, FL 32832, in the Lake Nona area. We serve patients from St. Cloud, Kissimmee, and Osceola County. Free parking is available on site.
Our Lake Nona hospital is open 24 hours a day, 7 days a week, 365 days a year — including all holidays. A veterinarian and full emergency team are always available.
No appointment is needed. Greenlight Pet ER Lake Nona is a walk-in emergency hospital. Our front desk team will receive your pet immediately upon arrival.
Our Lake Nona team treats dogs and cats of all breeds and sizes.
We accept all major credit and debit cards, cash, CareCredit, and Cherry financing.
Wait times vary based on the current volume and case severity. Every patient is triaged immediately upon arrival. Critical cases are always seen first, and our team keeps you informed throughout.
If your pet is experiencing an emergency, call our Lake Nona hospital directly or walk in anytime.
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ARLINGTON, TX
4102 S Cooper St Suite 4101, Arlington, TX 76015
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