Reproductive Immunology Associates Reproductive Immunology Associates
Reproductive Immunology Associates
(805) 578-7000
(805) 578-7004

About Us

Reproductive Immunology Associates are innovators and leaders in the diagnosis and treatment of immune related miscarriages. The physicians, medical technologists and support staff have a unique and unduplicated experience in working with couples and their physicians. A significant aspect of our practice are the relationships we have developed with our referring physicians to provide maximum comfort, continuity of care and results.

RIA Associates

William L. Matzner, M.D., PhD, FACP
Dr. Matzner graduated Phi Beta Kapa from Stanford University. He received his M.D. with Honors from Baylor College of Medicine. In 1988, he was the Soloman Scholar for Resident Research at Cedar Sinai Medical Center. Dr. Matzner subsequently was awarded a PhD in Neuro Economics from Claremont Graduate University. He is board certified in Internal Medicine and Palliative 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., FACP, FACR
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 Fellow of American College of Physicians, and Fellow of American College of Rheumatology.

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.