School of Medicine
Showing 5,011-5,020 of 5,027 Results
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Margaret J. Zhou, MD, MS
Clinical Assistant Professor, Medicine - Gastroenterology & Hepatology
BioDr. Margaret Zhou is a board-certified, fellowship-trained gastroenterologist with Stanford Health Care. She also holds an appointment as clinical assistant professor at Stanford University School of Medicine.
She specializes in therapeutic endoscopy with expertise in treating Barrett’s esophagus and disorders of the pancreas and bile duct. In particular, she offers advanced endoscopic interventions to prevent, detect, and manage gastrointestinal (GI) cancers. These interventions include endoscopic mucosal resection, endoscopic ablation, endoscopic retrograde cholangiopancreatography, and endoscopic ultrasound. She is also interested in the management of esophageal disorders such as gastroesophageal reflux disease.
Dr. Zhou has published widely on improving the detection of precancerous lesions and cancers of the GI tract. She is particularly interested in prevention, early detection, and outcomes in Barrett’s esophagus, esophageal cancer, and stomach cancer. In addition, she has published on new technologies and the use of artificial intelligence in GI. Her research has been published in multiple journals including Clinical Gastroenterology and Hepatology; Clinical and Translational Gastroenterology; and Cancer Epidemiology, Biomarkers & Prevention.
Dr. Zhou is an active member of multiple national GI societies. She currently serves on the American Gastroenterological Association (AGA) Clinical Guidelines Committee and AGA Trainee and Early Career Committee. She also serves as an Associate Editor for Evidence-Based GI, an American College of Gastroenterology (ACG) journal. -
Wenhui Zhou
Adjunct Clinical Instructor, Radiology
BioWenhui was born in Southeast China and then immigrated to the San Francisco Bay Area as a teenager. He attended the University of California, Davis under a Regent Scholarship, and graduated with highest honors in Biochemistry and Molecular Biology. Wenhui subsequently pursued training in medicine and translational research in the Medical Scientist Training Program (MSTP) at Tufts University. In the Laboratory of Dr. Charlotte Kuperwasser, Wenhui studied the regulation and function of transcription factors in triple-negative breast cancer with the goal of improving cancer diagnosis and therapeutics. Additionally, he pursued clinical research examining image-guided ablative therapy as a front-line treatment option for renal cancer under the mentorship of Dr. Ronald Arellano at Massachusetts General Hospital. Outside of his clinical and academic interests, Wenhui enjoys food, taking walks, listening to NPR, and spending time with family and friends.
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Han Zhu
Assistant Professor of Medicine (Cardiovascular Medicine)
BioDr. Zhu is an Assistant Professor of Medicine whose clinical and research expertise focuses on cardio-oncology and cardio-immunology. She specializes in the cardiovascular care of patients undergoing therapies for cancer, with a particular focus on the effects of immunotherapies on the heart. She received a bioengineering degree from MIT, medical degree from Case Western Reserve University, and completed clinical cardiology fellowship and internal medicine residency training at Stanford University School of Medicine. Dr. Zhu’s laboratory focuses on myocarditis, cardiac inflammation, and the effects of cancer therapeutics on the cardiovascular system. Her current research employs clinical data, bio-banked samples, and in vivo/in vitro preclinical models in combination with single-cell technologies to study immune-based toxicities in the heart. Dr. Zhu's clinic sees cardio-oncology and cardio-immunology patients and her lab focuses on devising new methods for minimizing cardiovascular complications in the cancer and autoimmune patient populations.
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Alex Nathaniel Zimmet
Clinical Assistant Professor, Medicine - Infectious Diseases
BioDr. Zimmet is a board-certified Infectious Disease specialist with a focus on caring for immunocompromised patients, including those who have undergone solid organ or bone marrow transplantation as well as patients with cancer. He is an associate medical director of the antimicrobial stewardship program at Stanford Health Care, where he leads stewardship efforts in immunocompromised patients. He also has a great interest in clinical reasoning and the education and mentorship of trainees.
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Susan Ziolkowski, MD
Clinical Assistant Professor, Medicine - Nephrology
BioDr. Ziolkowski is a board-certified nephrologist and Clinical Assistant Professor in the Division of Nephrology at Stanford University School of Medicine, where she is a founding contributor to Stanford’s Onco-Nephrology program. She is a pioneering investigator who leads an independent, multidisciplinary research program at the intersection of onco-nephrology, medical imaging, and artificial intelligence, focused on redefining how kidney disease is detected, characterized, and managed in patients with cancer.
Her research integrates large-scale clinical data, advanced imaging, and machine learning to develop novel predictive models and uncover mechanisms of kidney injury in complex populations, including patients with cancer and stem cell transplantation. Through this work, she is establishing a new research paradigm that leverages imaging and AI to move beyond traditional biomarkers and enable earlier detection, improved risk stratification, and more precise, individualized care. Her program is designed to support the development of innovative, externally funded research aimed at transforming kidney outcomes in high-risk populations.
Clinically, Dr. Ziolkowski cares for patients at Stanford Health Care kidney clinics in Palo Alto and Emeryville, where she specializes in the management of kidney disease in patients with cancer. Her approach emphasizes precision medicine and individualized care strategies to optimize long-term outcomes and quality of life.
Dr. Ziolkowski has authored peer-reviewed publications in leading journals, including the American Journal of Kidney Diseases, Journal of Renal Nutrition, and Peritoneal Dialysis International, and presents her work nationally at meetings such as the American Society of Nephrology. Through her leadership in research, clinical care, and education, she is advancing the field of onco-nephrology and shaping the future of data-driven kidney care. -
Andrew Zolopa
Professor of Medicine (Infectious Diseases) at the Stanford University Medical Center, Emeritus
Current Research and Scholarly InterestsDr. Zolopas research applies a variety of clinical epidemiologic methods in an effort to optimize antiretroviral therapy and understand the impact of drug resistance on response to ARV. Areas of focus include the clinical application of resistance testing in optimizing antiretroviral therapy, clinical cohorts, trials of antiretroviral therapies and population-based epidemiologic evaluation of HIV resistance and efficacy of ARV therapy. More recently studies focused on premature aging in HIV.
