Dr. Douglas A DiSiena in Irvine
Dr. Douglas A DiSiena
B.Sc., D.C., IDE, QME, FICA, C.N.S.
Dr. Douglas A. DiSiena is a highly experienced chiropractor, educator, and wellness leader who has been dedicated to improving patients’ health and quality of life for nearly four decades. Since 1986, he has served as the Director of Irvine Chiropractic Offices in Irvine, California, where he has helped thousands of individuals and families achieve lasting wellness through chiropractic care, nutrition, and lifestyle guidance.
Dr. DiSiena earned his Doctor of Chiropractic degree cum laude from Cleveland College of Chiropractic in 1984 and was recognized for academic excellence with induction into Who’s Who in American Colleges and Universities. He has continued to expand his expertise throughout his career, becoming a Qualified Medical Examiner (QME), Independent Disability Evaluator (IDE), Certified Lifestyle Educator (CLE), Certified Corporate Health Coach (CCHC), and Board-Certified Nutrition Specialist (BCNS).
A passionate advocate for whole-body health, Dr. DiSiena has worked extensively in corporate wellness, serving as a wellness doctor for over a decade and co-founding Renaissance Corporate Wellness Fairs to bring preventative care and education to workplaces. He has also contributed to his community as a sports injury chiropractor, supporting student-athletes at Saddleback Valley Christian High School.
Dr. DiSiena is a respected speaker and educator, regularly lecturing at chiropractic colleges and to healthcare professionals on nutrition and lifestyle management. He is also a published co-author of the bestselling book Possibility Living: Add Years to Your Life and Life to Your Years, written with Dr. Robert A. Schuller, which emphasizes the connection between faith, health, and longevity.
His leadership within the profession includes founding the Orange County Chiropractic Fellowship, serving as Past President of the Golden State Chiropractic Association, and holding a representative role within the International Chiropractic Association. He has also been recognized with numerous honors, including the Distinguished Fellow designation (FICA) and multiple service awards for his contributions to chiropractic care.
Dr. DiSiena’s commitment to excellence has earned him recognition from the community as a Top Orange County Chiropractor in the LA Times Reader Poll for multiple consecutive years.
With a holistic approach that blends chiropractic care, nutrition, and lifestyle transformation, Dr. DiSiena is dedicated to helping patients not only feel better—but live healthier, more vibrant lives.
