Dr. Micah YuMD, MHA, MS, ABOIM, DipABLM, IFMCP
Rheumatology
at Dr. Lifestyle Clinic — Newport Beach, CA
About
Dr. Micah Yu is an integrative rheumatologist who merges conventional rheumatology with lifestyle, functional, and integrative medicine. He earned his medical degree from Chicago Medical School and completed his Internal Medicine residency at Loma Linda University from 2015 to 2018. He then completed a Rheumatology fellowship at Loma Linda University, followed by an Integrative Medicine fellowship at the Andrew Weil Center for Integrative Medicine at the University of Arizona.
Dr. Yu holds quadruple board certification in Rheumatology, Internal Medicine, Integrative Medicine, and Lifestyle Medicine. He also holds certification in Functional Medicine through the Institute for Functional Medicine. He is an active member of ILADS, ISEAI, and the American Academy of Environmental Medicine. Dr. Yu brings personal experience to his work: he received a gout diagnosis at age 17 and later developed spondyloarthritis. He builds partnership-based treatment plans that address disease activity while honoring each patient's goals and quality of life. He treats patients across 16 states through telemedicine and hosts a podcast on integrative rheumatology and autoimmune health.
Education & Training
Medical School
Chicago Medical School, North Chicago, IL
Residency
Internal Medicine, Loma Linda University, Loma Linda, CA (2015-2018)
Fellowship
Rheumatology, Loma Linda University, Loma Linda, CA (2018-2020); Integrative Medicine, Andrew Weil Center for Integrative Medicine, University of Arizona, Tucson (2020-2022)
Additional Training
Masters in Healthcare Administration; Masters in Biomedical Sciences
Certifications
Conditions Treated
Who is Dr. Yu right for?
Dr. Yu is an excellent fit for adults living with autoimmune or inflammatory conditions who want more than symptom suppression. Patients with rheumatoid arthritis, lupus, psoriatic arthritis, fibromyalgia, or spondyloarthritis benefit from his combined clinical approach. He also serves patients with complex environmental conditions such as mold toxicity, Lyme disease, and MCAS. His personal history with gout and spondyloarthritis means he meets patients with both clinical expertise and genuine understanding.
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Frequently Asked Questions
Dr. Yu treats a wide range of autoimmune and inflammatory conditions. These include rheumatoid arthritis, lupus, psoriatic arthritis, gout, scleroderma, Sjogren's syndrome, fibromyalgia, ankylosing spondylitis, vasculitis, osteoporosis, and polymyalgia rheumatica. He also treats complex conditions such as MCAS, Lyme disease, mold toxicity, and chronic regional pain syndrome.
Yes. Dr. Yu holds board certification in Rheumatology, Internal Medicine, Integrative Medicine, and Lifestyle Medicine. He is also a certified Functional Medicine practitioner through the Institute for Functional Medicine, making him one of very few physicians with this combination of credentials.
Dr. Yu combines standard rheumatology with functional, lifestyle, and integrative medicine. He investigates root causes such as nutrition, environmental exposures, and lifestyle factors alongside conventional diagnostics. His treatment plans address disease activity while aligning with each patient's values and quality of life goals.
Yes. Dr. Yu holds active medical licenses in 16 states, including Arizona, Colorado, Florida, Illinois, Michigan, New York, Texas, and Washington, among others. He sees patients in those states via telemedicine.
Dr. Yu received a gout diagnosis at age 17, which he later connected to an unbalanced high-protein diet. He subsequently developed spondyloarthritis. This lived experience informs how he connects with patients and shapes his partnership-based approach to care.
Yes. Dr. Yu actively treats mold toxicity, mycotoxin illness, chronic inflammatory response syndrome, Lyme disease, and multiple chemical sensitivities. He holds membership in ILADS and ISEAI, two organizations focused on environmentally acquired illness.
Dr. Yu completed a Rheumatology fellowship at Loma Linda University and an Integrative Medicine fellowship at the Andrew Weil Center for Integrative Medicine at the University of Arizona. He also holds master's degrees in Healthcare Administration and Biomedical Sciences.
Yes. Dr. Yu treats fibromyalgia, complex regional pain syndrome, and related chronic pain conditions. He uses an integrative framework that addresses inflammation, lifestyle factors, and underlying drivers of pain rather than focusing solely on symptom management.
Doctor profile last updated April 12, 2026