Dr. Steinman received his medical school training at Harvard Medical School and completed residency in primary care internal medicine at UCSF. He then joined the UCSF Division of Geriatrics for fellowships in the VA National Quality Scholars Program and the UCSF Clinical Geriatrics Fellowship. Dr. Steinman has been a member of the faculty in the UCSF Division of Geriatrics and at the San Francisco VA Medical Center since 2004.

Dr. Steinman is a national leader in identifying and improving the quality of medication prescribing in clinically complex older adults. He devotes most of his time to research, while also maintaining an active clinical practice in the geriatrics clinic and inpatient general medicine service at the San Francisco VA Medical Center. Dr. Steinman's research program focuses on improving how medications are prescribed for older adults and is supported by grants from the National Institutes of Health and other funders. His research interests also include improving evaluation and care for older adults with multiple chronic conditions and he has a strong interest in mentorship and supporting career development for junior investigators.

Dr. Steinman is co-Principal Investigator of the US Deprescribing Research Network (https://deprescribingresearch.org/), an NIH-funded national research network for research on deprescribing medications in older adults. He is also co-Director of the UCSF Pepper Center for Aging Research; Co-Director for Research and Director of Research Training for the UCSF Division of Geriatrics; VA Director of the UCSF National Clinician Scholars Program; and Interim Director of Research for the San Francisco Campus for Jewish Living (formerly known as the Jewish Home of San Francisco). He also has leadership roles with several national organizations, including service as co-chair of the American Geriatrics Society Beers Criteria guideline panel.