2025-2026 Chief Medical Residents

Fletcher Bell, MD
Fletcher Bell attended Brown University, where he studied Theater History and Performance Studies, before earning his medical degree from the Columbia University College of Physicians and Surgeons. He completed his residency in the UCSF Primary Care (UCPC) track, where he was drawn to the program’s in-depth training in mental health and holistic medicine. His clinical interests include cardiology, critical care, and electrophysiology. His research focuses on the use of psychedelic-assisted therapy—particularly psilocybin—in medically complex patients, as well as on post-ICU quality of life. Fletcher is passionate about communication skills, team leadership, and developing strong management frameworks for trainees. He plans to pursue a career at the intersection of mental health and cardiology.

Outside of medicine, Fletcher is often surfing with his partner or playing golf with friends.

Emily Marogi, MD
Emily Marogi was born in Toronto, Ontario, to Iraqi refugees and grew up speaking Arabic and Aramaic. She moved frequently throughout childhood, living in Toronto, Windsor, Detroit, Phoenix, Chicago, and San Francisco. She received her medical degree from Northwestern University, where she held leadership roles at multiple free clinics serving underserved populations, especially immigrants and refugees. She previously attended Loyola University Chicago, earning degrees in English and Biology, and she spent a year abroad in Rome and Beijing as a Ricci and Gilman Scholar. Emily chose UCSF for its commitment to underserved communities and medical education. She has helped create an ambulatory cardiology curriculum and co-chaired the Residency Wellbeing Committee, fostering spaces for reflection and connection. She plans to become an academic cardiologist focused on cardiac critical care, cardiogenic shock, and post-CICU outcomes.

In her free time, she enjoys running, trying new food, and spending time with family and friends.

Audrey Tran, MD
Audrey Tran was born and raised in Portland, Oregon, in a Vietnamese immigrant household. She graduated from Wellesley College with a degree in Biochemistry and a minor in Music. Before medical school, she conducted research in stem cell and genome editing at Boston Children’s Hospital. She attended Oregon Health & Science University, where she also completed a master’s in Clinical Research before joining UCSF for residency. Audrey has been active in the Wellbeing Committee, helping to organize events such as the ICU Patient Memorial and the residency talent show, Bob-a-palooza. Audrey plans to pursue a career as a clinician educator in palliative care and oncology, with academic interests in educational resource development, physician well-being, and grief processing.

In her free time, Audrey is often songwriting. She’s currently working on an album to reflect the emotional journey of medicine.

Harry Cheung, MD
Harry Cheung is from Farmingdale, Maine, and is the son of Chinese immigrants. He grew up speaking Cantonese and helping with his family’s small restaurant. As a first-generation college student, he attended Boston College, where he majored in Biology and Psychology, before earning his medical degree at Yale. At Yale, he volunteered as a patient navigator for refugees and immigrants and joined a community group supporting first-generation and low-income students. During his residency at UCSF, Harry joined the Health Professions Education Pathway, contributing to curriculum development and bedside teaching. After his chief year, he plans to pursue a career in hospital medicine with a focus on medical education.

Outside of medicine, Harry enjoys basketball (go Celtics!), running, reading, exploring San Francisco, and spending time with friends and family.

Pooja Lalchandani, MD
Pooja was born and raised in Los Altos, California. She graduated from UC Berkeley with a degree in Molecular Biology and found her passion for medicine and teaching after working with a rural health NGO in India. She spent her gap year living in Oakland before moving to San Francisco to attend medical school and then residency at UCSF. As both a medical student and resident, Pooja has pursued her commitment to education for the School of Medicine and in spaces such as the San Francisco County Jail. She has found joy improving wellness and mentorship in the residency program as a co-chair of the Residency Wellbeing Committee and working on curricular projects in the Health Professions Education pathway. She hopes to pursue a career in hospital medicine and medical education, working closely with both undergraduate and graduate medical education trainees.

Outside of work, she enjoys time with her loved ones, hiking along coastal cliffsides, cooking with her partner, and watching live music. 

Tamara Sanchez Ortiz, MD
Tamara Sanchez Ortiz was born in Mexico City and raised in Nicaragua, Canada, and the U.S. She studied Biology at NYU Abu Dhabi, balancing academics with collegiate soccer and a love of travel. After graduation, she conducted circadian rhythm research and taught sexual health in under-resourced schools. At Washington University in St. Louis, she earned her MD and MPH, led community-building through the Latino Medical Student Association (LMSA) and Student National Medical Association (SNMA), advocated through the Maryland Society of Medical Assistants and American Medical Association, and helped revise The Healthcare Handbook. She sought out global health experiences in Addis Ababa, Paris, and San Jose, focusing on trauma-informed care for refugees and immigrants. Drawn to UCSF’s mission, Tamara joined the Primary Care Program at ZSFG, where she worked to improve access for patients with public insurance and limited English proficiency. As chief, she continues to pursue her interests in reproductive health, medical education, and mentorship of URiM (Underrepresented in Medicine) trainees.

Outside of work, Tamara enjoys running, swimming, biking, and hiking in the Bay Area, experimenting with vegan/vegetarian cooking, and learning salsa and bachata.

Daniel Boctor, MD
Daniel Boctor grew up in Cairo, Egypt, in a multilingual household speaking French and Arabic. He moved to the U.S. to attend UC Santa Barbara, where he joined the College of Creative Studies. During college and his gap year, he led a humanitarian group called Doctors Without Walls, which provided free healthcare to people experiencing homelessness. Daniel then attended medical school at Rush University in Chicago, where he founded Rush Street Medicine, focused on delivering care to immigrants and unhoused populations. He also led tutoring sessions for students preparing for shelf exams and the USMLE. His research centers on clinical reasoning and physician decision-making. He plans to apply for a cardiology fellowship next year.

Outside of medicine, Daniel enjoys soccer and video games. He sometimes wakes up at 4 a.m. to watch his favorite team, Manchester United (though he prefers you not ask how they're doing). He also enjoys French literature and makes annual trips back to Cairo.

Kenneth Hubble, MD
Kenny Hubble grew up in Anchorage, Alaska, and earned his undergraduate degree in Chemical and Biological Engineering from Princeton University. There, he focused on global health applications, spending a year working on water filtration systems in rural Peru. After graduation, he worked in Philadelphia as a vaccine process engineer and helped a free clinic establish a vaccine assistance program—an experience that inspired him to pursue medicine. Kenny earned his medical degree through the Columbia-Bassett Program at Columbia University Vagelos College of Physicians and Surgeons. His research focuses on medical education, predictive kidney health models, and cardio-renal physiology. After serving as chief resident, he plans to pursue academic nephrology.

Outside of medicine, Kenny enjoys soapmaking, cooking, and long-distance running. Ask him about the "Runs of VTach" IM running club—open to all paces!

Karishma Patel, MD
Karishma Patel grew up in the Pacific Northwest and studied Public Health at UC Berkeley. She later returned to Oregon for medical school at Oregon Health & Science University, where she founded Growth Factor, a live storytelling event about resilience in medicine. During her residency at UCSF, Karishma pursued her interests in medical education, quality improvement, and physician wellness through the Health Professions Education Pathway. She also held leadership roles in WiLD (Women in Leadership Development), the Wellness Committee, and multiple residency-wide QI (Quality Improvement) projects, including (REFLECT (Residents and Fellows Leading Interprofessional Continuous Improvement Teams). Karishma plans to pursue a career in academic hospital medicine.

Outside of her work, Karishma finds joy by visiting the ocean, discovering new coffee shops and Pilates studios, and hiking Bay Area trails with her husband, Anish, and close friends.

Justin Zhang, MD
Justin Zhang was raised between the San Francisco Bay Area (Oakland and Palo Alto) and Shenzhen, China. He studied Health Promotion and Disease Prevention at the University of Southern California. After graduation, he worked at Wesley Health Centers, one of Los Angeles County’s largest FQHCs, assisting the CMO with quality improvement and operations. He then attended UCLA’s David Geffen School of Medicine, where he collaborated with the Department of Medicine’s Director of QI (Quality Improvement) on behavioral economic interventions to improve preventive care completion. At UCSF, Justin led resident-led QI efforts, partnered with the CPO Working Group to reduce unnecessary test utilization, and evaluated the rollout of a statewide Enhanced Care Management program. He plans to pursue a career in pulmonary and critical care with a focus on high-value care and systems improvement.

Outside of medicine, Justin is a self-described "burnt-out triathlete" who enjoys cycling, swimming, and running.