Accepting New Patients

Healthcare That Respects Your Time, Honors Your Body

Comprehensive internal medicine in Colleyville — where board-certified expertise meets genuine compassion. No rushed visits. No dismissed concerns. Just thorough, thoughtful care that treats you as a person, not a chart number.

Schedule a Visit Explore Services

20+

Years Experience

15K+

Patients Treated

4.9

Patient Rating

Dr. Augustine J. Lee

Board-certified in Internal Medicine, providing comprehensive adult healthcare in the heart of Colleyville.

Accepting New Patients

Preventive Care

100%

Focus on wellness

Patient Satisfaction

98%

Would recommend

Avg. Visit Time

30m

Unrushed appointments

About Your Physician

A Physician Who Listens Before He Prescribes

Dr. Augustine J. Lee founded his practice with a singular conviction: that exceptional medicine begins with genuinely understanding the patient in front of you. Every diagnosis, every treatment plan, and every follow-up is shaped by that principle.

Based in Colleyville, Dr. Lee brings decades of clinical experience in internal medicine to a practice that deliberately moves at the speed of trust. He believes that when patients feel heard, they heal better — and the outcomes prove it.

Board Certified Internal Medicine

20+ Years Clinical Experience

Family-Centered Care Philosophy

Colleyville Based & Local

Clinical Services

Comprehensive Care for
Every Stage of Adult Life

From routine preventive screenings to the management of complex chronic conditions, Dr. Lee provides a full spectrum of internal medicine services tailored to your unique health profile.

Preventive Medicine

Annual physicals, risk assessments, immunizations, and evidence-based screenings designed to catch issues early and keep you thriving year after year.

Chronic Disease Management

Expert, ongoing care for diabetes, hypertension, heart disease, thyroid disorders, and other chronic conditions — with personalized plans that adapt as your needs evolve.

Diagnostic Evaluation

Thorough investigation of persistent symptoms, abnormal lab results, and complex presentations — using targeted testing and clinical reasoning to reach accurate answers.

Wellness & Lifestyle Medicine

Practical guidance on nutrition, weight management, sleep optimization, and stress reduction — because lasting health is built on daily habits, not just prescriptions.

Cardiovascular Health

Comprehensive heart health assessments including EKG interpretation, lipid management, blood pressure control, and coordination with cardiology specialists when needed.

Acute Illness Care

Same-day or next-day appointments for infections, injuries, and unexpected health concerns — because you shouldn't have to wait weeks to feel better.

Why Choose Us

The Difference Between a Clinic and a Practice

Most offices treat patients like appointments on a schedule. Dr. Lee treats them like people with lives, concerns, and a right to understand their own bodies.

Unrushed Appointments

Every visit is scheduled with enough time for you to ask questions and feel heard — never a ticking clock at the door.

Continuity of Care

You see Dr. Lee consistently — not a rotating cast of providers. He knows your history, your patterns, and what matters to you.

Transparent Communication

No medical jargon designed to confuse. Clear explanations, honest assessments, and shared decision-making at every step.

Community-Rooted Practice

Deeply embedded in Colleyville — we know our neighbors, and we take the health of this community personally.

Trusted by families across Colleyville Since establishing our practice in the community

Patient Stories

What Our Patients Say

The measure of a physician isn't in credentials alone — it's in the lives touched and the trust earned over years of consistent, compassionate care.

“

Dr. Lee is the first doctor who actually made me feel like my health concerns mattered. He takes the time to explain everything thoroughly and never makes you feel rushed. I've never had to wait more than a few minutes past my appointment time either.

Margaret H.

Colleyville, TX

“

After years of feeling like just a number at other practices, finding Dr. Lee was a revelation. He remembers details from previous visits, follows up on lab results proactively, and genuinely seems to care about the outcome — not just the appointment slot.

Robert T.

Keller, TX

“

I brought my husband in for his annual checkup and was so impressed with the thoroughness that I switched our family over. Dr. Lee caught a blood pressure issue that had been slipping through at our previous doctor. Truly attentive and knowledgeable.

Susan K.

Colleyville, TX

Take the Next Step

Your Health Deserves a Physician Who Truly Cares

Whether it's a routine wellness visit or a health concern that's been keeping you up at night, Dr. Lee and his team are ready to welcome you. New patients are always welcome — call today to schedule your appointment.

Call (817) 398-4214 Get Directions

Contact & Location

Visit Our Colleyville Office

Conveniently located in the heart of Colleyville, our office is easy to find and designed for your comfort from the moment you arrive.

Office Address

4201 Brown Trl
Colleyville, TX 76034-3941

Phone

(817) 398-4214

Office Hours

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

Email

Contact via phone for inquiries