Sonha T Nguyen

About Sonha T Nguyen

United Internal Medicine is a full-service primary care practice serving adult patients in and around Encinitas and Fallbrook, California. Under the leadership of Sonha Nguyen, MD, the team at United Internal Medicine shares a dedication to personalized, compassionate medical care.

Dr. Nguyen views her role as your partner in maintaining your health and wellness. She strives to create a trusting bond with each patient in her care and enjoys getting to know patients and celebrating their health improvements and triumphs.


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Our Mission

United Internal Medicine is dedicated to improving the health of the community by providing unparalleled primary care to all patients. Dr. Sonha Nguyen embraces the special patient-physician relationship, the opportunity to understand each individual, and to assist with their healthcare needs. She keenly believes that preventive care along with early diagnosis and proper management is the fundamental essence to improve one’s quality of life.

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What Sets Us Apart

United Internal Medicine is a division of United Medical Doctors, Southern California’s premier independent multi-specialty medical and surgical practice. United Medical Doctors has over 30 specialties, 35 locations, 7 ambulatory surgery centers and additional services such as imaging centers, laboratories and a pharmacy. Through United Medical Doctors, Dr. Sonha Nguyen is able to provide unparalleled primary care to adult patients in San Diego County with direct access to specialists, expedited internal imaging and laboratory services and beyond.

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Our Locations

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