Dr. Elsa M. Hartwick (Aguiniga) is a nephrologist in Los Angeles, California and is affiliated with multiple hospitals in the area, including Adventist Health-White Memorial and California Hospital Medical Center. She received her medical degree from Stanford University School of Medicine and has been in practice for more than 20 years. Dr. Elsa M. Hartwick (Aguiniga) has expertise in treating bronchitis, hypertension, diabetes, among other conditions - see all areas of expertise. Dr. Elsa M. Hartwick (Aguiniga) accepts Aetna, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. Elsa M. Hartwick (Aguiniga) is highly recommended by patients.