Now Accepting New Patients

Looking for a Doctor in Rowland Heights Who Actually Has Time for You?

At A-One Medical Group, we practice family and internal medicine the way it should be — unhurried appointments, clear explanations, and a care plan that fits your life, not your calendar.

Call (626) 965-6988 Explore Services
Family & Internal Medicine
Same-Day Appointments
Rowland Heights, CA
What We Offer

Comprehensive Care for
Every Stage of Life

From routine check-ups to chronic disease management, we provide the full spectrum of primary care services under one roof.

Family Medicine

Compassionate care for patients of all ages — from infants to grandparents. We build lasting relationships with families across Rowland Heights.

Internal Medicine

Detailed, thorough evaluations for adult patients. We focus on prevention, early detection, and managing complex health conditions.

Preventive Care

Annual physicals, immunizations, cancer screenings, and lab work — all designed to keep you healthy before problems arise.

Chronic Disease Management

Expert management of diabetes, hypertension, asthma, thyroid conditions, and other chronic illnesses with personalized care plans.

Lab & Diagnostics

On-site lab services for blood work, urinalysis, and other diagnostic tests — with fast results and clear follow-up guidance.

Same-Day Visits

Sick or injured? We offer same-day appointments for urgent concerns so you don't have to wait days to see a doctor.

A-One Medical Group office interior
About Us

A Practice Built on Trust,
Not Rush

A-One Medical Group was founded with a simple belief: every patient deserves a doctor who listens. Located in the heart of Rowland Heights, we've been serving our community with a focus on genuine, relationship-based care.

Our practice covers both family medicine and internal medicine, meaning we can care for your entire household — from your youngest child to your oldest parent — all in one convenient location on Sierra Leone Avenue.

Family & Internal Medicine
New Patients Welcome
Same-Day Appointments
Schedule a Visit

Insurance &
Accessibility

We accept most major insurance plans and are committed to making quality care accessible. Contact our office to verify your specific plan.

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Get in Touch

Ready to Experience
Different Care?

Whether you're looking for a new primary care provider or need to schedule an appointment, we're here to help.

Address

1818 Sierra Leone Ave
Rowland Heights, CA 91748-3691

Hours

Monday – Friday: 9:00 AM – 5:00 PM
Saturday – Sunday: Closed

Request an Appointment

We'll call you within one business day to confirm your appointment.

Is this your business?This is my business