He has been president of the following organizations: the American Urological Association, the American Board of Urology, the American Association of Genitourinary Surgeons, the Western Section of the American Urological Association, the Northwest Urological Society, the Oregon Urological Society, the Urologic Society of Transplantation and Vascular Surgery, the Western Association of Transplant Surgeons, and the Pacific Northwest Transplant Society.
He has been a member of the Board of Directors of the United Network for Organ Sharing. He has been labeled as "One of the Best Doctors in America" by Woodward/White, as "One of our Best Doctors" in the Portland Magazine, "One of the Best 400 Physicians in America" by Good Housekeeping Magazine, and as "One of the Best Medical Specialists in the USA" by Town and Country Magazine.
Dr. Ludwig is a fellow of The Obesity Society and recipient of the E.V. McCollum Award (2008) of the American Society for Nutrition. He is Principal Investigator on numerous grants from the National Institutes of Health, has published over 150 scientific articles, and serves as Contributing Writer for JAMA. Dr. Ludwig is the author of a book on childhood obesity for parents (Ending the Food Fight: Guide Your Child to a Healthy Weight in a Fast Food/Fake Food World Houghton Mifflin, 2007). His latest book, for a general audience, is entitled Always Hungry? Conquer Cravings, Retrain Your Fat Cells, and Lose Weight Permanently (Grand Central Publishing, January 2016). He appears frequently in national print and broadcast media.
Dr. Sivakumar sees patients at Providence Little Company of Mary Medical Center Torrance and Providence Saint John’s Health Center in Santa Monica. He is available for consultation and his office staff may be reached at 310-582-7450.
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