Contact Us

Dr. Urmimala Sarkar, RAPtr Co-Director

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Dr. Sarkar is interested in patient safety for ambulatory chronic disease patients. She focuses on the role of communication in safety, especially for vulnerable populations, and on health information technology to improve safety. For more information, please see Dr. Sarkar's UCSF Profile.


Dr. Dan Lowenstein, RAPtr Co-Director

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Dr. Daniel H. Lowenstein is Professor and Vice Chairman in the Department of Neurology at the University of California, San Francisco (UCSF), Director of the UCSF Epilepsy Center, and Director of Physician-Scientist and Education Training Programs for the UCSF School of Medicine.  For more information, please see Dr. Lowenstein's UCSF Profile.


Dr. Mallar Bhattacharya, RAPtr Assistant Director

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Mallar comes to us from a background in basic science research relating to lung disease. After completing medical school at Harvard and internal medicine residency at Johns Hopkins, he came to UCSF for his pulmonary and critical care fellowship. Mallar’s research focuses on 1) cellular mechanisms of airway contraction in asthma; and 2) vascular barrier function in acute lung injury and pulmonary edema. Mallar is excited to mentor students as they explore careers in research supported by the RAPtr program. For more information, please see Dr. Bhattacharya's UCSF Profile.


For general inquiries, please email RAPtr or call 415-502-2265.