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Michael P. Truong, MD
Practice accepting new patients.

Michael P. Truong, MD

(949) 542-8004
Primary Specialties
  • Endocrinology, Diabetes & Metabolism
Medical Groups & Affiliations
  • Mission Heritage Medical Group
  • Mission Hospital Affiliated Physicians
  • Additional Languages Spoken
    French, Vietnamese

Primary Office

26800 Crown Valley Pkwy.
Suite 230
Mission Viejo, CA 92691
(949) 542-8004
(949) 364-3682
Mon - Fri: 8 a.m. - 5 p.m.
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4.9 out of 5 (220 Ratings | 45 Comments)


Great provider! Thank you.
no major medical work done
Dr. Truong has been my physician for more than 23 years. Without a doubt he has been the best doctor I have ever had. He is professional, extremely knowledgeable and genuinely concerned with the health of his patients. There have been times where I had visited friends at Mission Hospital. On more than one occasion I have seen him in the halls on his way to visit his patients after regular hours. I specifically remember seeing him after 9 pm, still taking care of his patients. He is a true humanitarian and a true healer. I am very fortunate to have him as my doctor. Dr. Truong is the Best!
None better than *Dr. Truong.
I've seen endocrinologists in nine states over a period of 50 years for treatment of juvenile-onset Type 1 diabetes, including nationally recognized experts at The Joslin Center and Mass Gen. Dr. Truong is the very best.
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Physician Bio

Dr Truong finished his High School Baccalaureate in Mathematics and Physics in Paris, France. He subsequently moved to United States for his undergraduate studies at the University of California, Los Angeles. Dr Truong received his medical degree from the University of California, San Francisco, School of Medicine and completed his fellowship training in endocrinology at the University of California, Davis, Medical Center. He was an Assistant Clinical Professor of Medicine at the University of California, Davis, Medical Center before he moved to Mission Viejo in 1992.

Dr Truong has been the Medical Director of the Mission Heritage Medical Group Laboratory. As an Endocrinologist, he has a deep interest in Lipid Metabolism and was the Co-Director of the Mission Internal Medical Group Lipid Clinic. He started the Endocrine Nuclear Program for radioiodine treatment of patients with thyroid disorders. He also founded the Osteoporosis Center and the Weight Management Program at Mission Internal Medical Group.

Dr Truong chose a career in medicine for the challenge of the field and to be able to care for other people. He believes that no other profession offers the compassion and the unique relationship and trust between physician and patient. In his practice he strives to deliver state-of the-art care to his patients.


  • Medical School:
    University of California- San Francisco - San Francisco, CA
  • Internship:
    University of California Davis Medical Center
  • Residency:
    University of California Davis Medical Center
  • Fellowship:
    University of California Davis Medical Center - 1990


American Board of Endocrinology, Diabetes, and Metabolism
American Board of Internal Medicine
American Board of Obesity Medicine
Radiology Supervisor and Operator permit
Radioisotope I-131 License


Alpha Omega Alpha Honor Society Outstanding Teaching Award, Resident Staff. UCD Summa Cum Laude UCLA Phi Beta Kappa Phi Eta Sigma Fellow American Association of Clinical Endocrinology

Areas of Interest

Endocrinology, Diabetes and Metabolism
Weight management
Thyroid disease
Nuclear endocrinology