Dr. Marc L. Montecillo is an internist in Lancaster, California and is affiliated with Kaiser Permanente Panorama City Medical Center. He received his medical degree from David Geffen School of Medicine at UCLA and has been in practice between 11-20 years. Dr. Marc L. Montecillo has expertise in treating hypertension & high blood pressure, diabetes, among other conditions - see all areas of expertise. Dr. Marc L. Montecillo accepts Medicare, Kaiser - see other insurance plans accepted.