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The Medical Staff

Allan E. Sosin, M.D.

Allan Sosin is the founder and medical director of the Institute for Progressive Medicine. He received his medical degree from Northwestern University Medical School and is board-certified in both Internal Medicine and Nephrology, the study of kidney disease.

For thirteen years Dr. Sosin ran a private internal medicine practice in Philadelphia. During that time he became increasingly interested in alternative approaches to medical problems including nutrition, vitamin and mineral therapies, chelation therapy, acupuncture, natural hormone replacement therapy, exercise and stress management, chiropractic and massage. During his time in Philadelphia he organized and directed two drug detoxification centers. He also held the position of Assistant Medical Director at The Institutes for the Achievement of Human Potential, a world-renowned facility for the treatment of brain injured children. In 1997 the Institutes for Human Potential awarded him the LEONARDO DAVINCI AWARD for his work.

In 1995 he and his family moved to Newport Beach where he worked As the Medical Director of a prominent integrative medical clinic. He was instrumental in introducing new therapies, including Enhanced External Counterpulsation (EECP) for the treatment of cardiovascular disease. In the year 2000, Dr. Sosin received the PHYSICIAN OF THE YEAR AWARD from the National Health Federation.

Dr. Sosin is an expert in the use of natural approaches to replace drugs and surgery. He has over 40 years of clinical experience in treating patients with traditional therapies and 15 years experience using alternative methods in combination with conventional medicine. Dr. Sosin is an associate clinical professor for the Univeristy of California, Irvine School of Medicine. He is a member of the American College for the Advancement of Medicine (ACAM) and is a certified Defeat Autism Now!® physician. Dr. Sosin has also worked extensively with IV therapy, acupuncture and natural hormone replacement therapy. He has successfully treated thousands of patients with serious medical conditions. Dr. Sosin is the author of two books, Alpha Lipoic Acid: Nature's Ultimate Antioxidant, and The Doctor's Guide to Diabetes and Your Child, and has appeared on both radio and television.

Martha E. Wittenberg, MD, MPH

Dr. Wittenberg received her B.A. in Biology from Lehigh University in Pennsylvania and attended Drexel University in Philadelphia for her Master’s Degree in Public Health and her Medical Degree. She and her husband, an Emergency Medicine doctor, then migrated to the warmth of Southern California for residency training. She is a graduate of the Long Beach Memorial Family Medicine Program, and is Board-certified in Family Medicine.

After being in private practice for many years, Dr. Wittenberg pursued additional training in holistic and integrative medicine. She is Board-certified by the American Academy of Anti-Aging and Regenerative Medicine, and completed a Fellowship in Metabolic and Nutrition Medicine through the Metabolic Medical Institute. She is passionate about helping people discover their underlying imbalances, and coaching them back to wellness. Her medical interests include bio-identical hormone therapy, weight loss, adrenal health, mood disorders, detoxification, and gut health. Dr. Wittenberg is accepting new patients now at the Institute for Progressive Medicine. Call our office at 949-600-5100 for more information.