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.