JOHNNY TSAI, M.D.
CEO/Founder
Family Physician
Dr. Johnny is a Los Angeles native who is willing to support the Lakers even when they were an underachieving team.
He now calls Irvine home and is grateful to practice Direct Primary Care here. He enjoys learning from his patients and listening to their stories in a relaxed and mindful manner, preferably with some coffee or tea in hand.
When not thinking about his patients, he is usually studying natural and traditional healing methods, reading about food and nutrition, contemplating health disparities, or learning about new technology and treatments in healthcare.
Outside of “work,” he enjoys traveling the world, practicing photography, learning the guitar and music production, tasting food and wine, and learning about architecture and design.
And in his spare time, you might find him at the beach surfing, up in the mountains snowboarding, around the house or garden tinkering, in the kitchen cooking with his wife, or around town hanging out with family and friends.
His other full time job is being a daddy to two wonderful girls.
Master's Public Health: Columbia University, NYC. 1997
Medical School: New York University, NYC. 2001
Residency: Family Medicine at Harbor-UCLA Medical Center, Torrance, CA. 2004
Board Certified: Family Medicine 2004-2024
Acupuncture/TCM: East-West Center UCLA 2003, Academy of Pain Research 2010
Joshua Lin, D.O.
Internal Medicine Physician
Dr. Josh has practiced in eight states and 13 hospitals, bringing over a decade of expertise in managing complex health issues such as heart disease, COPD, obesity, hypertension, and kidney failure. His passion however is helping his patients understand and to address the underlying factors of disease such as lifestyle, stress, inflammation, and nutrition.
Having suffered from a debilitating illness as a young patient himself, Dr. Josh understands firsthand the challenges of chronic illness. Through a long personal journey of healing encompassing both traditional and alternative care, he eventually experienced miraculous healing through his faith in Jesus.
As a Christian physician, Dr. Josh has traveled extensively on medical missions to Southwest Asia - including to Taiwan, China, Myanmar, the Philippines, and Thailand. These experiences have strengthened his commitment to compassionate and culturally sensitive care, bringing him closer to diverse communities and deepening his desire to serve.
Outside of work, Dr. Josh enjoys traveling the world, exercising at the gym, and curling up with a good sci-fi novel. Being fluent in Mandarin Chinese, he also enjoys diving into classic Chinese martial arts novels by Jing Yong and keeping up with the latest Mandopop music and podcasts.
Medical School: Western University of Health Sciences/COMP, Pomona, CA. 2012
Residency:Internal Medicine at UCSF Fresno, 2015.
Board Certified: Internal Medicine 2015-current
IART Training: Regenerative Medicine.
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Integrative Practitioner
We are always open to working with like minded health professionals.
If that sounds like you, please connect with us.