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Coastal Internal Medicine

WHAT WE DO MATTERS.
HOW WE DO IT MATTERS MORE.

Dr. O'Brien is here to help you on your journey back to health with friendly, meticulous, and comprehensive care.

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COMPREHENSIVE CARE CATERED TO YOUR INDIVIDUAL NEEDS.

A More Clear Picture of Your Health

Preventative Care

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  • Continuous monitoring and treatment adjustments for long-term conditions.

  • Focuses on diseases like diabetes, hypertension, heart disease, and COPD.

  • Supports lifestyle changes to improve patient quality of life.

  • Prevents complications through regular follow-ups and personalized care.

Individualized Plans for Care

Comprehensive

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  • Broad health support for conditions related to aging and chronic issues.

  • Covers musculoskeletal pain, mental health, and cognitive assessments.

  • Includes personalized plans to address overall wellness and quality of life.

  • Monitors for age-related issues like osteoporosis and arthritis.

Appointments for Urgent Issues

Acute Care

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  • Rapid care for conditions like respiratory infections, flu, and UTIs.

  • Minimizes complications by addressing symptoms promptly.

  • Provides medication management for pain and symptom relief.

  • Educates patients on recovery and prevention of future episodes.

On a Journey Towards Long-Term Health

Chronic Diseases

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  • Continuous monitoring and treatment adjustments for long-term conditions.

  • Focuses on diseases like diabetes, hypertension, heart disease, and COPD.

  • Supports lifestyle changes to improve patient quality of life.

  • Prevents complications through regular follow-ups and personalized care.

Insurances Accepted

Meet Dr. O'Brien

Dr. Mark C. O'Brien is an experienced internal medicine physician with over three decades dedicated to providing compassionate and comprehensive healthcare. A proud graduate of the Michigan State University College of Osteopathic Medicine, Dr. O'Brien's commitment to patient wellness has been the cornerstone of his distinguished career. For over 20 years, he served as the lead hospitalist at Tri City Medical Center, where he was known for his expertise and unwavering dedication to the health of his patients. His approach combines a thorough understanding of internal medicine with a personalized touch, ensuring that each patient feels heard and valued.

Beyond his professional achievements, Dr. O'Brien is a devoted family man. He is the proud father of four children and grandfather to four grandchildren, with whom he cherishes spending time. Dr. O'Brien’s passion for healthcare extends beyond his clinic, as he continually strives to improve his patients' quality of life through preventative care, patient education, and compassionate support. His extensive experience and warm bedside manner make him a trusted physician in the community and a respected mentor to colleagues and patients alike.

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