About Us

William L. Matzner, M.D.
Dr. Matzner graduated Phi Beta Kapa from Stanford University. He graduated With Honor from Baylor College of Medicine. In 1988, he was the Soloman Scholar for Resident Research at Cedar Sinai Medical Center. He is board certified in Internal Medicine. He has researched and published extensively on the issue of reproduction and immunology in medical literature. He has been in private practice since 1989, specializing in Reproductive Immunology and Internal medicine.

Penny J. Chong, M.D.
Dr. Chong received her undergraduate and medical degrees from the University of Hawaii. Her fellowship in Rheumatology was at Cedar's Sinai Medical Center and UCLA. Dr. Chong has been practicing in the field of Reproductive Immunology since 1989, and has researched and published articles in medical journals on related topics. She is board certified and a member of the American College of Physicians, The American Medical Association, the American College of Rheumatology, the American Society of Reproductive Immunology, and the American Society for Reproductive Medicine, among other professional affiliations.

Wendell T. W. Ching, M.D.
Dr. Ching is the Laboratory Director of Reproductive Immunology Associates, a Senior Staff Internist at Sepulveda VA Medical Center and Associate Clinical Professor, UCLA. He received his Medical Degree at the University of Hawaii. He is board certified in Internal Medicine and Infectious Diseases. He has researched and written extensively in the areas of immunology, with an emphasis on Reproductive Immunology.