Dr. Dr. Jaclyn L. Leong, D.O.

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Get to know Internist Dr. Jaclyn L. Leong, who serves patients in California.

Dr. Leong is a skilled osteopathic physician specializing in internal medicine. She practices at UCI Health Susan Samueli Integrative Health Institute & UCI Health — Newport Beach MacArthur, where she focuses on various aspects of patient care. 

Her clinical interests lie in providing primary care services for both adults and children, emphasizing preventive care to maintain their well-being. Additionally, Dr. Leong has a particular interest in addressing cases of long COVID, providing specialized care for those affected by this condition.

As physicians with Orange County’s only academic health system, UCI Health internal medicine experts combine the best of therapeutic and diagnostic technology with extensive training and years of experience to provide the most up-to-date primary care. The internists are fiercely dedicated to addressing patients’ health needs and to helping them maintain a vigorous lifestyle. 

After completing her medical education at Campbell University School of Osteopathic Medicine, Dr. Leong pursued her residency training in internal medicine at the esteemed University of Arizona Banner–University Medical Center Tucson. Seeking to broaden her expertise, she opted for further fellowship training in integrative medicine at the prestigious Andrew Weil Center for Integrative Medicine. 

With a comprehensive approach to patient care, Dr. Leong is a Diplomate of the American Osteopathic Board of Internal Medicine (AOBIM). The AOBIM is an organization that provides board certification to qualified Doctors of Osteopathic Medicine (DOs) who specialize in the prevention, diagnosis, and treatment of disease in adults (internists).

Internal medicine is the medical specialty dealing with the prevention, diagnosis, and treatment of adult diseases. Physicians specializing in internal medicine are called internists. They manage and prevent common and complex diseases by providing comprehensive care and promoting overall well-being.

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