Meet the team of the Rural Medicine Program at Massachusetts General Hospital.

Matt TobeyMatthew Tobey, MD, MPH

Director of the Rural Medicine Programs

Matt Tobey, MD, MPH is an internal medicine physician who works in primary care and inpatient care in Rosebud, South Dakota. He founded and directs the rural initiatives in the Mass General Department of Medicine, including the Mass General Fellowship Program in Rural Health Leadership, as well as partnerships with the Indian Health Service and the Sicangu Oyate. His interests including providing high-quality primary care in rural communities and providing excellent primary care for patients with addictions or involvement with the criminal legal system. In his spare time, he enjoys running, playing piano and reading.

Nicole LurieNicole Lurie, MD, MPH

Senior Advisor

Nicole Lurie, MD, MSPH is a member of the research faculty at Mass General and a senior lecturer at Harvard Medical School. She is also the strategic advisor to the CEO of the Coalition for Epidemic Preparedness Initiatives and is an honorary fellow at the Leonard Davis Institute for Health Economics at the University of Pennsylvania. She recently completed an eight-year term as assistant secretary for preparedness and response at the U.S. Department of Health and Human Services (HHS). In that role she led the HHS response to numerous public health emergencies, ranging from infectious disease to natural and man-made disasters, and is responsible for many innovations in emergency preparedness and response. She also chaired the Public Health Emergency Medical Countermeasures Enterprise, a government-wide organization ultimately responsible for the development of medical countermeasures, including vaccines against pandemics and emerging threats. Following that, she served as senior advisor to the director of the Indian Health Service, where she worked on issues related to quality of care. Prior to federal service, she was the Paul O'Neill professor of policy analysis at RAND, where she started and led the public health preparedness program and RAND's Center for Population Health and Health Disparities. She has also had leadership roles in academia, as professor of medicine and public health at the University of Minnesota, as medical advisor to the commissioner at the Minnesota Department of Health and as principal deputy assistant secretary for health at the U.S. Department of Health and Human Services.

Dr. Lurie has a long history of collaboration on American Indian/Native American health issues. In Minnesota, she co-led an initiative on Native women’s health, and in government she played significant roles in enhancing the quality of data on the health of American Indian and Alaska Native populations, and more recently, addressing staffing and quality of care issues in the Great Plains Area.

Dr. Lurie received her BA and MD degrees from the University of Pennsylvania, and completed her residency and public health training at UCLA. Her research has focused on access to and quality of care, health system redesign, equity, mental health, public health and preparedness. She is recipient of numerous awards and is a member of the National Academy of Medicine. She continues to practice clinical medicine in a community clinic in Washington D.C.

Stephanie SunStephanie Sun, MD MS

Fellowship Director
Fellow, 2018–2020, Faculty, 2020–

Dr. Stephanie Sun was born in a small town in Ontario, Canada, just two hours outside Toronto. With a love for the outdoors and initial plans for a career as a research scientist, she graduated from McMaster University with a Bachelor's of Science in Biology and a Masters in Science in Evolutionary Genetics and Bioinformatics. After volunteering on a medical mission in rural China and a year spent working with YWCA Canada, a multi-service women's organization for families fleeing situations of violence, her career path took a turn toward medicine. Dr. Sun graduated from the Keith B. Taylor Global Scholars Programme of St. George's University, having studied medicine in England, Grenada and New York City. She completed her residency in Internal Medicine at the Yale-Waterbury Internal Medicine Residency Program, where she was also chief medical resident. As a former varsity swimmer who competed at the Canadian 2008 Beijing Trials, (she insists she was "just happy to be there"), she continues to enjoy time in the water and exploring the outdoors through new hikes and trails.

Hannah WengerHannah Wenger, MD

Fellow, 2018–2020, Faculty, 2020–

Dr. Wenger received her BS from University of Notre Dame and her MD from the University of Chicago Pritzker School of Medicine. She first visited Rosebud while leading rural health-care-focused trips for fellow medical students, and is thrilled to be back. She has extensive teaching and mentoring experience, and has a passion for improving quality of care for LGBTQ+ people.

Omar AmirOmar Amir, MD MPH

Clinical faculty, 2016–

Omar Amir is from Karachi, Pakistan. He studied at Dartmouth College on scholarship where he was a national Beckman scholar for research in organometallic chemistry. He is a graduate of the Master of Science program at the Harvard T.H. Chan School of Public Health studying social epidemiology, where he was awarded the Student Recognition Award from Harvard University for his work done in northern Pakistan over the winter of 2005–2006 for Real Medicine Foundation. He then moved on to obtain his MD from Stanford School of Medicine. In Pakistan, he worked with War Against Rape, an NGO based in Karachi, documenting cases of rape and violence against women. Dr. Amir continues to rotate out to Rosebud beyond his fellowship. He speaks Urdu, Hindi and Arabic.

Michael SundbergMichael Sundberg, MD, MPH

Clinical faculty, 2016–

Sundberg is an assistant professor in the Departments of Medicine and Pediatrics at the University of Minnesota. He is a graduate of the Stanford University School of Medicine, and completed residency training in internal medicine and pediatrics at the Harvard Brigham and Women’s Hospital/Boston Children’s Hospital program. He completed additional training through the Brigham and Women’s Hiatt Global Health Equity Residency, and received a Master of Public Health degree from the Harvard School of Public Health. He works clinically in the Twin Cities and in Rosebud, South Dakota. His interests include global health, rural health system strengthening, health care disparities and medical education.

Michael SundbergYun Li, MD, MBA

Fellow 2021‐2023

Yun Li is originally from China and came to the US in 2007 to attend Hanover College. She obtained her MD and MBA degrees at Dartmouth, followed by completing an internal medicine residency at Cleveland Clinic. She is passionate about finding ways to achieve the best health outcomes on both individual and community levels. She has performed clinical duties in clinics and hospitals in nine states. She has served in several educational and committee initiatives to improve interprofessional care and the patient experience. During residency, she was appointed as an instructor with Lerner College of Medicine, where she provided teaching for a course in healthcare systems and service. Her research interest is understanding and improving rural health care delivery, especially as regards telemedicine innovations. In her spare time, she likes to explore hiking trails and browse map collections in the public library.


Henderson-FrostJosephine Henderson Frost, MD

Fellow, 2019–2021

Jo Henderson-Frost is originally from rural New Hampshire where she grew up with a love for the outdoors. She received her BA from Harvard College and her MD from Albert Einstein College of Medicine in the Bronx. She completed residency in internal medicine and primary care at Mass General, where she helped found the Mass General Asylum Clinic and led the Mass General Social Justice Advocacy Coalition. Her interests include health care disparities, immigrant health and rights, medical-legal partnerships and legislative advocacy.

VikasVikas Gampa, MD

Fellow, 2019–2021

Vikas Gampa attended Ohio State University and Harvard Medical School. He completed his residency in internal medicine at Cambridge Health Alliance. He has been awarded for his teaching and plans a career in clinical service to underserved communities. His interests include health justice, equity and medical education.

Krupa ParikhKrupa Parikh, MD

Clinical faculty, 2018–2021

Dr. Parikh was born in India and immigrated to the US with her family as a toddler; she was mostly raised in Ohio thereafter. She became interested in primary care and social determinants working as an AmeriCorps member to improve access to public benefits for her community members. During her residency training at Cambridge Health Alliance, she learned the importance of providing evidence-based, equitable and compassionate care to all. Dr. Parikh had the opportunity to visit Rosebud during her residency and was struck by the generosity and resilience of the community.

Julian MittonJulian A. Mitton, MD MPH

Fellow, 2017–2018, Research Fellow, 2019–2020

Julian A. Mitton, MD MPH is a primary care physician and researcher. He has an interest in addiction medicine and medical education, spending time on the inpatient addiction consult and teaching services at Mass General. Julian completed medical school at the State University of New York before his residency in global primary care at Mass General. He is also a graduate of the Harvard T.H. Chan School of Public Health.

Julian has a research interest in addiction medicine, community and rural health care and physician advocacy. He has conducted research on the intersection of addiction and cardiovascular disease, including a study on smoking patterns among people living with HIV in rural Uganda, and is co-PI on a qualitative study on endocarditis and complications of intravenous drug use. Julian has additionally published editorials on topics ranging from addiction treatment in primary care to gun violence prevention research.

Thomas PeteetThomas Peteet, MD MPH

Fellow, 2016–2018

Tom Peteet, MD, MPH is an internal medicine physician and lifelong educator. He received his BA in physics and philosophy from Wesleyan University and graduated with High Honors in Philosophy. He taught math and special education for three years in St. Louis with Teach for America. He graduated from University of Massachusetts Medical School and completed internal medicine training at Boston Medical Center. He completed the Rural Health Leadership Fellowship at Mass General in 2018, as well as an MPH at the Harvard T.H. Chan School of Public Health. He is currently a primary care physician in Boston and an adjunct professor within the Boston University Prison Education Program.

Devin OllerDevin Oller, MD, MPH

Fellow, 2016–2017

Devin Oller is a primary care and addiction medicine physician, and served as one of the first Mass General Rural Health Leadership fellows (2016–2017). He is an Associate Program Director for the University of Kentucky Internal Medicine Residency Program and an investigator for the NIH HEALing Communities Study.