Board-certified internal medicine physician providing comprehensive, patient-centered care right here in Hilo — because your health story matters.
Board Certified
Internal Medicine
Patient-Centered
Compassionate Care
Hilo, HI
Local & Accessible
From routine check-ups to managing chronic conditions, we provide the full spectrum of primary care with a personal touch.
Annual physicals, health screenings, and immunizations designed to catch issues early and keep you thriving year after year.
Expert, ongoing care for diabetes, hypertension, heart disease, and other long-term conditions — with plans that fit your life.
Same-day and urgent care for infections, sprains, allergies, and other sudden health concerns — because you shouldn't have to wait.
In-office lab work, EKGs, and coordinated referrals so you get answers quickly and your care stays connected.
Nutrition guidance, weight management, stress reduction, and lifestyle counseling to empower you in making lasting health choices.
Healthcare for every stage of life — from pediatric visits to senior wellness — all under one roof in our Hilo practice.
Dr. Koga Roy is a board-certified internal medicine physician committed to delivering high-quality, compassionate primary care in the heart of Hilo. With a practice built on trust and genuine connection, he takes the time to understand each patient's unique health journey.
Whether you're managing a chronic condition, navigating a new diagnosis, or simply looking for a doctor who remembers your name and your history, Dr. Roy provides the kind of care that makes you feel heard and supported.
Located conveniently on Ponahawai Street, our clinic offers a warm, modern environment where your health and comfort come first.
Board
Certified
New
Patients Welcome
We believe great healthcare isn't one-size-fits-all. Here's what you can expect when you choose our practice.
Call us or fill out the form to book an appointment that works with your schedule.
We take the time to understand your full health picture — your history, goals, and concerns.
Together, we create a clear, achievable health plan tailored to your needs and lifestyle.
Your health journey doesn't end at the visit. We're here for follow-ups, adjustments, and questions.
Nothing matters more than the health and satisfaction of our patients.
"Dr. Roy takes the time to really listen. I've never felt rushed during an appointment, and he explains everything in a way that makes sense. It's refreshing to have a doctor who genuinely cares."
Maria L.
Hilo Resident
"After years of feeling like just a number at other clinics, finding Dr. Roy was a game-changer. He remembers the details, follows up, and truly treats me like a person — not a chart."
James T.
Hilo Resident
"I bring my whole family here. Dr. Roy is patient with our kids, thorough with my husband's conditions, and always makes my mother feel comfortable during her visits. A true community asset."
Sarah K.
Hilo Resident
Take the first step toward a healthcare partner who truly knows you. Call us or send a message — we'd love to welcome you.
(808) 961-2673
Call to Schedule
670 Ponahawai St
Hilo, HI 96720-2660
Mon – Fri: 8:00 AM – 5:00 PM
Weekends by appointment
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