[Now Accepting Telemedicine Visits | Ulin Sargeant, MD, MPH: Internal Medicine Duarte, CA: Monrovia Internal Medicine & Primary Care Now providing Telehealth visits - Book online today! Trusted Internal Medicine serving Duarte, CA. Contact us at 877-254-4496 or visit us at 1227 Buena Vista Street , Suite F, Duarte, CA 91010: Monrovia Internal Medicine & Primary Care]