Dr. Mac-Grey Canyon Family Medicine

05/01/2026

One doctor. One team. Complete care.



04/08/2026

Under pressure?

Stress Awareness

If you’re exhausted, overwhelmed, or not sleeping well—your body is talking.

03/30/2026

On this National Doctors Day, we’re celebrating Dr. Mac!! Not just for the medicine he practices, but for the person he is. He shows up with integrity, warmth, and a genuine care for people. He is someone who listens, connects, and truly wants the best for everyone he serves. Dr. Mac isn’t just an incredible doctor, he’s an exceptional human, husband and father and we’re lucky to have him.

03/14/2026

A Personal Note from Dr. Mac

Every patient is different. Your medical history, your lifestyle, your goals, and even the pace at which your body responds all matter.

By taking the time to understand the full picture your health history, daily habits, nutrition, activity, and personal goals. I work with you to create a plan that is tailored specifically to you.

My goal isn’t just to help you REACH your goals. It’s to help you maintain them and build a healthier, more sustainable way of living for the long term.

— Dr. Mac

03/05/2026

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03/05/2026

Strong women deserve strong healthcare.

From hormone balance to preventive screenings, we’re here for every stage of life.

Take care of you—because you matter.

02/12/2026

Love your heart this month. ❤️

Know your numbers:
✔ Blood pressure
✔ Cholesterol
✔ Weight
✔ Stress levels

Prevention today = protection tomorrow.

02/02/2026

A premium, personalized healthcare experience led by Dr. Brian “Dr. Mac” MacGillivray—where medicine is relationship-driven, appointments are unrushed, and your health is treated with the attention it deserves.

Members enjoy direct access to Dr. Mac and nurses, extended visits, proactive wellness planning, and a level of care designed around their life—not a waiting room schedule.

Because just because it’s common… doesn’t mean it’s normal.

01/18/2026

With Dr. Mac Concierge Medicine, patients receive personalized, relationship-based care, without rushed visits or long wait times. Just thoughtful medicine from a physician who truly knows you and your family.

📍 Stone Oak | San Antonio
✨ Now welcoming concierge patients

San Antonio's Concierge Physician, Dr. Mac founded Grey Canyon Family Medicine.

01/05/2026

Concierge medicine is about care that’s truly personal. By limiting patient volume, we ensure the time, access, and attention every patient deserves.

Dr. Mac’s top priority is personalized healthcare—tailored to you. That commitment is what sets a concierge practice apart.

Dr. Mac works directly for his members and is available when it matters most—day or night—because exceptional care should never feel rushed or out of reach.

10/08/2025

🌟 Happy PA Week! 🌟

This week we’re celebrating our amazing Physician Assistant, Ashley Book, PA, here at Grey Canyon Family Medicine! 💙

Ashley brings so much heart, dedication, and expertise to every patient she sees. Her compassion, thorough care, and genuine love for helping others make a difference in our patients’ lives every single day.

We’re so grateful to have her as part of the Grey Canyon family — not just for the incredible medical care she provides, but for the kindness and positivity she brings to our office. 🩺✨