Julian Whitaker, MD
JULIAN WHITAKER, MD, graduated from Dartmouth College and received his medical training at Emory University Medical School. He is a member of the American Medical Association and is board certified in anti-aging medicine. A popular speaker and lecturer, Dr. Whitaker is the author of 13 books, including Reversing Heart Disease and Reversing Diabetes, and the author of the widely-read monthly newsletter, Health & Healing. He is also a tireless crusader against abuses by the FDA and a champion for medical freedom.
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Our Patient Care Team
Our team of renowned physicians and other medical professionals is devoted exclusively to enhancing the health of men and women attending the Whitaker Wellness Institute. We are dedicated to improving the quality of life for our patients by providing complementary and integrative medical treatment. The medical practices of the clinic are based on continuous research and technology. Our mission is to transform lives, one patient at a time.
(What's the difference between a medical doctor (MD) and a doctor of osteopathic medicine (DO)? Click here to find out.)
Mark Filidei, DO
Dr. Filidei received his undergraduate degree at the University of California, Davis, his medical degree in Texas, and completed his internal medicine residency at Brown University.
Sima Mirhashemi, DO
An honors graduate of the University of California, Irvine and the Western University of Health Sciences, Dr. Mirhashemi completed her residency training at the University of Southern California. She is board certified in internal medicine.
Daniel F. Farrier, MD, CCN
Dr. Farrier received his medical degree from the University of Texas, Galveston. Trained in internal and emergency medicine, he also holds designations of Certified Clinical Nutritionist and Doctor of Integrative Medicine.
Grace H. Chang, MD
Dr. Chang graduated from the University of California, Irvine College of Medicine and completed a UCLA-affiliated residency program. Dr. Chang is board certified in internal medicine.
Deanna Windham, DO
Dr. Windham is a graduate of Oklahoma State University College of Osteopathic Medicine. She completed her internship at Brooklyn Hospital and her residency in family practice at Chino Valley Medical Center.
Alex Thermos, DO
Dr. Thermos graduated with honors from Oklahoma State University College of Osteopathic Medicine. He is also a clinical acupuncturist, chiropractor, and hyperbaric oxygen specialist.
Additional Medical Staff
Vicki Weissler, LAC, OMD
Dr. Weissler is a Doctor of Oriental Medicine and a board-certified licensed acupuncturist. A graduate of the International College of Oriental Medicine in England, she has practiced acupuncture for more than 25 years in both medical offices and hospital settings.
Zengshun Wang, Licensed Acupuncturist
Dr. Wang graduated from Zhongshan Medical University in 1976, where he studied both western medicine and acupuncture. He continued his education in cardiology at Beijing University. In addition to practicing acupuncture, Dr. Wang also supervises the Whitaker Wellness Institute diagnostics department.
Daren Gregson, PhD
Dr. Gregson earned his PhD in physiology and sports medicine at the Karolinska Institute in Sweden, where he focused on exercise science and athletic training. A former trainer for professional athletes and athletic teams, he has extensive experience in exercise physiology and creating personalized exercise programs for patients.
Brian J. Porteous, DC, QME
Dr. Porteous, a graduate of Cleveland Chiropractic College, has been practicing chiropractic for more than 30 years. He is past president of the International Chiropractors Association of California and has been awarded a prestigious Fellowship by the Palmer Academy of Chiropractic.