Mattana Phayungpong, MD

Meet Mattana Phayungpong, MD

Advancing Healthy Aging and Family Medicine for the Coastal Bend Community

Dr. Mattana Phayungpong is a board-certified family medicine clinician with CHRISTUS Trinity Clinic in Corpus Christi, Texas. After earning her medical degree from Universidad Autónoma de Guadalajara, she completed her Family Medicine residency through the CHRISTUS Health/Texas A&M University School of Medicine program and now continues her advanced training. Having trained and remained in Corpus Christi, Dr. Phayungpong helps meet the growing healthcare needs of South Texas families and older adults by focusing on preventive care, chronic disease management, healthy aging, and preserving quality of life at every stage of adulthood.

Career at a Glance

• Board-certified by the American Board of Family Medicine.
• Completed Family Medicine residency through CHRISTUS Health and Texas A&M University School of Medicine in Corpus Christi.
• Special clinical focus on healthy aging, dementia care, long-term care medicine, and complex chronic disease management.

Clinical Role and Leadership

As a family medicine clinician and Geriatric Medicine fellow at CHRISTUS Trinity Clinic, Dr. Phayungpong brings a unique perspective to primary care by combining comprehensive family medicine with specialized expertise in older adults' health needs. Her work helps strengthen access to evidence-based preventive care, chronic disease management, and aging-focused healthcare throughout the Coastal Bend. Through her advanced fellowship training, she helps improve care coordination for patients with multiple chronic conditions while supporting the next generation of physicians in an academic medical environment.

She provides specialized care for conditions such as:

• Hypertension
• Diabetes
• High cholesterol
• Arthritis
• Chronic obstructive pulmonary disease (COPD)

What You Can Expect from Care with Mattana Phayungpong, MD

Dr. Phayungpong believes effective healthcare starts with understanding the whole person, not just a diagnosis. Her approach emphasizes prevention, early intervention, patient education, and collaborative decision-making. With particular expertise in caring for aging adults and patients with complex medical needs, she works closely with individuals and families to develop care plans that support long-term health, independence, and quality of life.

You can expect:

• Personalized treatment plans tailored to your health goals
• A strong focus on preventive care and wellness
• Thoughtful management of chronic health conditions
• Compassionate guidance for patients and caregivers navigating aging-related concerns
• Coordinated care that addresses physical, emotional, and functional well-being

Advanced Diagnostic Care

Dr. Phayungpong combines the broad scope of family medicine with advanced fellowship training in Geriatric Medicine. Her clinical expertise includes comprehensive health assessments, chronic disease monitoring, medication management, preventive screenings, and care planning for older adults with complex health needs. She is experienced in caring for patients across outpatient, long-term care, skilled nursing, rehabilitation, and palliative care settings, helping ensure continuity of care throughout every phase of life.

Research, Clinical Insight, and Thought Leadership

Dr. Phayungpong has expressed professional interests in clinical research, medical education, dementia care, healthy aging initiatives, and healthcare innovation for aging populations. Through her residency and fellowship training within the CHRISTUS academic network, she remains engaged in evidence-based medicine and continuing education that support improved outcomes for older adults and patients living with chronic disease. Her ongoing fellowship training positions her at the forefront of emerging best practices in geriatric and family medicine.

Commitment to Public Health and Health Equity

Service has been a consistent theme throughout Dr. Phayungpong’s career. During the COVID-19 pandemic, she served as a State Coordinator for the National Student Response Network, helping organize volunteers and support community response efforts. She has also demonstrated a longstanding commitment to mentorship and community engagement through leadership roles during her time at Texas A&M University. Today, her focus on preventive medicine, healthy aging, dementia care, and access to quality healthcare reflects a dedication to improving health outcomes for vulnerable and aging populations across South Texas.