Coastal Internal Medicine

Coastal Internal Medicine Fully Dedicated Internal Medicine Care to Guide You Through Your Journey to Health

08/12/2026

🎥 Get to Know Dr. O!
The best healthcare starts with getting to know the person behind the white coat.

08/10/2026

Looking for a San Diego doctor you can trust? 🩺
Come meet Dr. Mark O’Brien, at Coastal Internal Medicine.
Your health deserves more than a quick visit, it deserves a provider who listens, understands your goals, and partners with you through every stage of life.
From preventive care to ongoing health support, our team is here to provide personalized, compassionate care for adults in North San Diego County.
📍 Visit us in Vista
✨ Discover a special kind of healthcare experience.

Better care starts when we work together.Your health is a partnership. At Coastal Internal Medicine, we take the time to...
08/07/2026

Better care starts when we work together.
Your health is a partnership. At Coastal Internal Medicine, we take the time to listen, understand your goals, and create a care plan that works for you.

Come on in before the back-to-school rush! 📚As schedules get busier and routines start changing, now is the perfect time...
08/05/2026

Come on in before the back-to-school rush! 📚
As schedules get busier and routines start changing, now is the perfect time to prioritize your health. Whether you need a routine checkup, preventive care, or support managing your wellness goals, our team is here to help.
Don’t wait until the calendar fills up! Schedule your visit today and start the season feeling your best.

08/03/2026

Helping you feel your best through every stage of life.
From preventive care and routine checkups to managing chronic conditions and supporting your long-term health, Coastal Internal Medicine is here to care for you at every stage of life's journey.
Compassionate care. Personalized treatment. A team that listens, because your health deserves a provider you can trust.
Schedule your appointment today and let us support your healthiest future.

Another great week in the office! 👏Thank you to our amazing patients for trusting us with your care. We’re grateful for ...
07/30/2026

Another great week in the office! 👏
Thank you to our amazing patients for trusting us with your care. We’re grateful for the conversations, connections, and opportunity to support your health every day.
Wishing everyone a happy and healthy weekend! ☀️"

07/29/2026

A Doctor’s Perspective: How Alcohol Affects Your Health
Alcohol can impact more than just your next morning. While an occasional drink may fit into a healthy lifestyle for some people, it’s important to understand how alcohol affects your body over time.
From sleep quality and energy levels to heart health, liver function, mood, and overall wellness, your choices today can influence how you feel tomorrow.
At Coastal Internal Medicine, we believe in honest conversations about your health, without judgment. Our goal is to help you make informed decisions that support your best life.
Have questions about how alcohol may be affecting your health? Let’s talk.

07/27/2026

Helping you feel your best, every step of the way.
Your health is personal, and your care should be too. Whether you're coming in for preventive care, managing a chronic condition, or simply prioritizing your well-being, we're here to listen, support, and partner with you every step of the way.
Because feeling your best starts with compassionate care you can trust. 💙

Dr. O'Brien here to wish you a Happy Friday! Call today to schedule your appointments for next week. Don't forget!🌴
07/24/2026

Dr. O'Brien here to wish you a Happy Friday! Call today to schedule your appointments for next week. Don't forget!🌴

07/22/2026

We are here for you.
Come into Coastal Internal Medicine🐚

Address

161 Thunder Drive Suite 210
Vista, CA
92083

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