Overview
Dr. Jaclyn Leong is a triple boarded physician in internal medicine, integrative medicine and obesity medicine. She currently serves as the Medical Director of the UCI Health Weight Management Program, where she leads comprehensive, patient-centered care that supports sustainable health transformation.Leong also practices at UCI Health’s Susan Samueli Integrative Health Institute, where she specializes in evidence-based integrative, lifestyle and functional medicine with a focus on obesity, metabolic health and chronic disease prevention. Her clinical approach blends conventional therapies with personalized nutrition, behavioral change and precision lifestyle interventions to support sustainable weight management and whole-person wellness.She is deeply committed to compassionate, collaborative care and believes in empowering patients as active partners in their health journey. Leong practices root-cause medicine through a functional medicine lens, aiming to optimize metabolic resilience, preserve muscle mass and improve long-term outcomes using individualized, data-driven strategies.She completed her internal medicine residency at the University of Arizona – Banner University Medical Center, followed by a fellowship in integrative medicine at the Andrew Weil Center for Integrative Medicine and Weill Cornell Obesity Medicine. Additionally, she has completed advanced training with the Institute for Functional Medicine (IFM) and the American Academy of Anti-Aging Medicine (A4M), deepening her expertise in systems biology and root-cause-focused care.Recognized for her clinical excellence, Leong has been named a Super Doctors Rising Stars annually since 2023.
Her clinical expertise encompasses Long Haul COVID.
Dr. Leong is board certified in American Board Of Internal Medicine - Internal Medicine.
Graduate Institution
Residency
Specialties
Licenses
Board Certifications
Fellowships
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- MEDICARE MAPD
- MEDICARE SNP
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
Accepted plan types not found. Please verify directly with the provider.
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- PPO
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
856 Health Sciences Road, Suite 2600, Irvine, CA 92617
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Frequently Asked Questions about Dr. Jaclyn Leong
How do I make an appointment with Dr. Jaclyn Leong?
You can book an appointment with Dr. Jaclyn Leong by calling their office at 949-824-7000. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Jaclyn Leong a top-rated expert for Long Haul COVID?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Jaclyn Leong is classified as an Experienced expert for Long Haul COVID, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Jaclyn Leong specialize in?
While Dr. Jaclyn Leong is a Internal Medicine, they have specific expertise in Long Haul COVID. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.
Does Dr. Jaclyn Leong accept my insurance?
Dr. Jaclyn Leong accepts most major insurance plans, including Aetna and Alignment Health Plan. We recommend calling the office directly at 949-824-7000 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers