Preventive CareInsurance
Your Insurance Pays for This Visit. Most Patients Never Use It.
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Formerly Lake Nona Medical Services
Primary care thatactually listens.
Comprehensive, patient-centered care for adults and families in Orlando & Lake Nona — rooted in trust, evidence-based medicine, and long-term wellness. Bilingual, walk-ins welcome.
Two Orlando locations Same-day & walk-ins English & Español
Dr. Catherine Arevalo
Board-experienced · Bilingual primary care
Loved by Orlando patients
Walk-ins &
same-day welcome
same-day welcome
What we do
Full-spectrum care, under one roof
From preventive medicine to chronic-disease management — thoughtful, unhurried care for the whole family.
Primary Care
Comprehensive adult primary care, routine exams, annual physicals, and same-day sick visits — your medical home in Orlando.
Preventive Care
Screenings, immunizations, cardiovascular risk assessment, and lifestyle counseling.
Chronic Disease Management
Expert management of hypertension, diabetes, high cholesterol, asthma, and COPD.
Women's Health
Well-woman exams, screenings, contraceptive counseling, and menopause management.
Acute & Sick Visits
Respiratory infections, UTIs, minor injuries, and skin conditions — often same day.
Care Coordination
Specialist referrals, hospital follow-up, and on-site lab work.
1 hour
Most visits — seen, heard, and out the door.
Why patients stay
Care you can trust, built on listening
Nona Medical Services was founded to provide comprehensive, patient-centered primary care rooted in clinical excellence, continuity, and respect for the physician–patient relationship.
- Deliver evidence-based, ethical medical care
- Foster long-term relationships through continuity and trust
- Emphasize prevention, education, and early intervention
- Adapt responsibly to advances in healthcare
“Formerly known as Lake Nona Medical Services. While our name has evolved, our physicians, values, and commitment to patient care remain exactly the same.”
Meet your physician
Dr. Catherine Arevalo, MD
Dr. Arevalo delivers thoughtful, patient-centered medicine grounded in clinical integrity and long-term outcomes. Fluent in English and Spanish, she serves our diverse community with genuine compassion.
Primary & preventive medicineChronic disease managementBilingual — EN / ES
Find us
Two convenient Orlando locations
Serving the Orlando and Lake Nona communities.
Lancaster Office
Orlando, FL 32809
Hours: Mon–Fri 8:00 AM – 5:00 PM · Sat 9:00 AM – 12:00 PM
(407) 378-6686In their words
What our patients say
Real, unedited reviews from Google.
It's so hard to find a dr that listens to you. I'm so happy with Dr Arevalo. She was efficient. She solved all my concerns without telling me to see a specialist. I was done within 1 hour. They also have available blood work there.
Dr. Catherine Arevalo is professional, knowledgeable and explains every detail on tests. She gives you copies to take home with you. She is thorough and takes people of all ages. You won’t find a better General Doctor around.
I found this office full of angels. They are working hard to get my son to a safe blood pressure. He doesn't have insurance and the price for all the care was not outrageous. If you need a quality caring team, you have to come here.
From the blog
Health tips & practice updates
Salud CardiovascularNutrición
Comer bien para el corazón sin gastar de más
La Dra. Arevalo explica cómo proteger el corazón desde el mercado — con frijoles, avena y trucos reales de cocina para Orlando.
Primary CarePatient Communication
How to Tell Your Doctor the Stuff You've Been Avoiding
You rehearsed it in the waiting room and still didn't say it. Here's how to finally tell your doctor what's actually going on.
Stay Informed About Your Health
Get monthly health tips, wellness advice, and clinic updates delivered to your inbox. Available in English and Spanish.
Ready for a doctor who listens?
New patients welcome — walk in, call, or book online. We'll take it from there.