--- title: "Dr. Markus T. Leong | Emergency Medicine Doctor in San Francisco, CA" description: "Dr. Markus T. Leong, M.D. practices Emergency Medicine in San Francisco, CA. Accepting new patients." url: "https://www.sutterhealth.org/find-provider/dr-markus-t-leong-1046239959" --- 1. [Home](https://www.sutterhealth.org/) / 2. [Find a provider](https://www.sutterhealth.org/find-provider) / 3. Markus T. Leong, M.D. ![Markus T. Leong, M.D.](https://dyn.mktgcdn.com/p/3rdYGWpp_5FCZM0UTafJhrM2jZBiwIlNgBRaebBpMRA/1.0000/fit=crop,gravity=auto,dpr=2,width=230,height=230) # Markus T. Leong, M.D. ## Emergency Medicine [45 Castro StreetEmergency DepartmentSan Francisco, CA 94114](https://www.google.com/maps/dir/?api=1&destination=45+Castro+Street+San+Francisco%2C+CA+94114+US) [+1 more location](https://www.sutterhealth.org/find-provider/dr-markus-t-leong-1046239959#provider-locations) Jump to: - [About](https://www.sutterhealth.org/find-provider/dr-markus-t-leong-1046239959#provider-about) - [Locations](https://www.sutterhealth.org/find-provider/dr-markus-t-leong-1046239959#provider-locations) - [Services](https://www.sutterhealth.org/find-provider/dr-markus-t-leong-1046239959#provider-services) ## About Dr. Leong Languages English and Chinese (Fluent) Gender Male Ages treated All ages ## Education and training **Medical school:** George Washington University School of Medicine **Internship:** Beth Israel Medical Center **Residency:** Beth Israel Medical Center ## Board certifications - Emergency Medicine - Board Certified ## Affiliations ### Hospitals - California Pacific Medical Center ## Care locations [45 Castro Street Care Center](https://www.sutterhealth.org/find-location/facility/45-castro-street-care-center-1043247140) 45 Castro Street Emergency Department San Francisco, CA 94114 [Get directions](https://www.google.com/maps/dir/?api=1&destination=45+Castro+Street+San+Francisco%2C+CA+94114+US) [415-600-0600](tel:+14156000600) Sunday Closed Monday 8:00 am - 5:00 pm Tuesday 8:00 am - 5:00 pm Wednesday 8:00 am - 5:00 pm Thursday 8:00 am - 5:00 pm Friday 8:00 am - 5:00 pm Saturday Closed **View additional hours** Sunday Closed Monday 8:00 am - 5:00 pm Tuesday 8:00 am - 5:00 pm Wednesday 8:00 am - 5:00 pm Thursday 8:00 am - 5:00 pm Friday 8:00 am - 5:00 pm Saturday Closed [CPMC Mission Bernal Campus & Orthopedic Institute](https://www.sutterhealth.org/find-location/facility/cpmc-mission-bernal-campus-orthopedic-institute-1043246991) 3555 Cesar Chavez Street Emergency Department San Francisco, CA 94110 [Get directions](https://www.google.com/maps/dir/?api=1&destination=3555+Cesar+Chavez+Street+San+Francisco%2C+CA+94110+US) [415-641-6625](tel:+14156416625) 415-641-6688 Open 24 hours ## Related services offered by Sutter - [Emergency](https://www.sutterhealth.org/services/emergency) ### Disclaimer _This provider directory is provided as a convenience to you. It is not intended as a recommendation, referral or endorsement of any particular provider. Physicians are not employees or agents of Sutter Health or its subsidiaries. The information is submitted by each doctor and we make no guarantee or warranty as to the accuracy of the information. You should verify the accuracy of the information directly with the provider's office._ _All doctors on this site are in the Sutter system. 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