Dr. Margaret Chen is an internist in Escondido, California. She received her medical degree from Tufts University School of Medicine and has been in practice for more than 20 years. Dr. Margaret Chen has expertise in treating obesity, hypertension & high blood pressure, diabetes, among other conditions - see all areas of expertise. Dr. Margaret Chen accepts Medicare, Aetna, Humana, Blue Cross - see other insurance plans accepted. Dr. Margaret Chen is highly recommended by patients.