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We invite you to connect with Doctors for America leadership so we can work together to build a healthier America for everyone. We are always eager to welcome new leaders to our movement as well.

If you are interested in playing a leadership role in Doctors for America, please contact us.

Board of Directors

Scott Poppen, MD, MPA - Board Chair

Scott practiced primary care internal medicine in California and Utah for 25 years. He has been a member of the management team of private, public, and corporate medical groups. He received his medical degree from Tulane University and did his post-graduate training at the University of Southern California and University of California-Davis. He holds a Master of Public Administration degree from the University of Utah. Scott joined Doctors for America in 2009 hoping to improve the American health care delivery system's problems of access, cost, and quality which became apparent to him in his early days of training and practice. He has served DFA as Utah State Director.  Retired from medical practice since 2011, he resides in Draper, Utah with his wife Berni and son Brent. Contact Scott.


Justin Lowenthal

Justin Lowenthal

Justin Lowenthal is a medical and graduate student in the combined degree Medical Scientist Training/MD-PhD Program at Johns Hopkins University School of Medicine. He graduated summa cum laude from Yale University in 2011 with a B.S. in Biomedical Engineering, winning the Alpheus Henry Snow prize awarded to the top Yale College undergraduate, and then spent two years at the National Institutes of Health. He is currently in the PhD phase of his training, working on projects in stem cell biology, and cardiovascular tissue engineering.Though his clinical interests remain largely undifferentiated, Justin is committed to having a career combining research, compassionate patient care, bioethics policy, and advocacy on issues of health inequity and social justice. During his time at the NIH, Justin completed a fellowship in bioethics in the Department of Bioethics at the National Institutes of Health Clinical Center, where his interests in medical and public health ethics developed to include novel ethical issues arising in emerging biotechnologies, assisted reproduction, genomic intervention during development, and health care systems. Upon entering medical school, a desire to complement wonky health policy interests with grassroots health advocacy led him to become increasingly involved in DFA. He now serves as the Maryland State Director and as a national co-chair of Gun Violence Prevention and Drug Pricing, Value, and Affordability working groups. He is thrilled to be part of the DFA family and to serve on the board. Justin enjoys living in Baltimore with his miniature schnauzer, Darby exploring all of the hidden gems offered by Charm City. Contact Justin.

Joe Kanter, MD

Joe serves as the Medical Director of the New Orleans Health Department as well as the Health Care for the Homeless Clinic. A practicing    Emergency Physician at University Medical Center and Clinical Assistant Professor of Medicine at LSU Health Sciences Center, Dr. Kanter cares for a broad and extremely diverse spectrum of patients in the New Orleans area, including some of the most vulnerable in our community.  His primary interests are expanding access to health care, promoting health equity, and developing innovative, collaborative methods of keeping frequent users of the emergency department healthy, productive, and out of the hospital. Contact Joe.

Lori J. Heim, MD, FAAFP

Lori is a family physician who serves as a hospitalist at Scotland Memorial Hospital in Laurinburg, N.C., is Prior Board Chair and Past President of the American Academy of Family Physicians where her passion was improving the medical delivery system and payment reform in the US.  Heim earned her medical degree at the Uniformed Services University of the Health Sciences, then a residency in family medicine and later a fellowship in faculty development and research from the University of North Carolina at Chapel Hill.  Heim’s appointments with the Air Force included staff physician, clinic chief, residency director, assistant professor,  chief of the medical staff and commander. She retired as a colonel from the Air Force after 25 years and joined a 2 physician private practice in Pinehurst NC. She has lectured internationally, conducted over 450 media interviews and published in peer review journals on a variety of clinical and policy issues. Contact Lori.

Christine Petrin

Christine Petrin is a student at Tulane University School of Medicine. Before coming to medical school she spent three years as a research assistant with the STOP Obesity Alliance, researching health policy issues related to provider reimbursement, value based care, and healthcare quality. As a graduate student intern with the Centers for Medicare and Medicaid Services, she joined the Center for Consumer Information and Insurance Oversight to help states establish and operate Health Insurance Exchanges, as well as other provisions of the Affordable Care Act. She earned her MPH from the Milken Institute School of Public Health at George Washington University and her bachelor’s degree from Barnard College. Contact Christine.

 Evan Saulino
Evan Saulino is a family physician who works in Portland, Oregon at a "safety-net" clinic - where approximately half his patients have private insurance, and half receive Medicaid or are uninsured. He received his undergraduate degree from the University of California - San Diego, and his medical degree and PhD in Microbiology from Washington University in St. Louis, Missouri. After time doing research in a lab studying anthrax at Harvard Medical School, he shifted gears and completed his Family Medicine residency training at Oregon Health and Science University. In addition to seeing patients in the clinic, he works on a variety of health policy, advocacy, and communications issues in coordination with community and physician groups, as well as with legislators in Oregon. In his free time, you'll likely find him coaching his kids soccer team, biking, or playing guitar. Contact Evan.

Don Mathis

Don Mathis

Don is a case manager for the Harford County (MD) Office of Drug Control Policy. He has worked and volunteered in an extensive number of organizations to build a healthier, safer, saner, more prosperous nation and world for our children and grandchildren. He previously served as the director of alumni relations for Father Martin's Ashley, a nonprofit, nondenominational drug dependency and alcoholism treatment center in Maryland. His previous stints include the federal Corporation for National & Community Service, Boys & Girls Clubs in Maryland, Pennsylvania Governor's Office, and a national communty action organization.  He serves on the boards of University of Maryland Upper Chesapeake Health, Emerald Cities Collaborative, and the Susquehanna Workforce Network.  He lives in bucolic Havre de Grace, MD with wife Carol and their four rescue pets. Contact Don.

Krishnan Narasimhan MD

Krishnan Narasimhan, MD

Krishnan is an academic family medicine physician and an Associate Professor in the Department of Community and Family Medicine at Howard University. For over a decade, he has advocated for policy change to improve access to care and support primary care. He was a past regional director with Doctors for America and has been a member since 2009. He serves as family medicine residency faculty, clerkship director, and on the board of the District of Columbia academy of family physicians. He is a graduate of Jefferson Medical College and completed his family medicine residency at the University of Connecticut. He also completed a primary care health policy fellowship at the Georgetown University Department of Family Medicine and the Georgetown Public Policy Institute. He has experience in medical education, evidence based medicine, health disparities, economic impacts, population health, and clinical transformation. 



Ethan Rome

Ethan Rome

Ethan is a progressive campaign strategist and the co-director of Health Care for America Now (HCAN), the national grassroots coalition that ran a $60 million campaign for health reform and has played a crucial role in passing, promoting and defending the Affordable Care Act (ACA). Prior to HCAN, Rome directed national communications for the American Federation of State, County and Municipal Employees (AFSCME). For more than 25 years Rome has been a leader, coalition builder, strategic communicator and field director for legislative, political and issue campaigns, including efforts to protect Medicare and Medicaid, win better wages and benefits for child care and home care providers, and increase state revenues to support public services. Earlier in his career, in Connecticut Rome built one of the first comprehensive political operations for a state legislative caucus in the country, co-directed the historic campaign to win a new state income tax and worked with Puerto Rican political leaders to develop cutting-edge, bilingual voter registration programs. Rome was featured on Moyers & Company as one of the 19 “Activists to Watch,” leading grassroots movements to change America. Contact Ethan.

B. Cameron Webb, MD, JD

Dr. B. Cameron Webb is a physician and lawyer who works at the intersection of health and social justice. He is an Assistant Professor in the University of Virginia School of Medicine, where he serves as the Director of Health Policy and Equity and works as a hospitalist. During a year as a 2016-17 White House Fellow-spanning the Obama and Trump administrations-his portfolio included education policy, workforce development and criminal justice reform work through President Obama's My Brother's Keeper initiative, as well as White House healthcare policy work in both administrations. Dr. Webb is a passionate champion for health equity and is committed to advocating for the health needs of underserved and marginalized communities. He received a B.A. in Interdisciplinary Studies as an Echols Scholar at the University of Virginia, a J.D. and health law certificate from Loyola University Chicago School of Law, and an M.D. from Wake Forest School of Medicine.

Executive Director

Jim Duffett (email)

For nearly 30 years Jim has been a leader in the healthcare social justice fight for affordable, accessible, and quality care for ALL.  For 26 years at the helm of Illinois Campaign for Better Healthcare, Illinois' largest healthcare coalition and one of the top statewide health coalitions in the country, he built a reputation as a nationally recognized leader in health justice at both the state and federal level.  Jim is a seasoned organizer, effective at building and sustaining diverse coalitions, building organizational capacity, innovative in his strategic development efforts both short-term and long-term, effective in developing and implementing health care issue and political campaigns, proven resource development skills, trains and mentors new leaders, and has extensive legislative and government affairs.  Because of his successful leadership, Jim received numerous awards throughout his career, most notably In 2002, he was named Families USA’s Health Care Advocate of the Year.

Jim's political commitment and convictions to social justice are profound and extensive.  His values were forged through his working-class upbringing in Youngstown, Ohio.  His father’s activism in his union and community was the centerpiece of his social consciousness.  During his undergraduate years of political activism at Kent State University, studies in Geneva, Switzerland, and graduate studies at the University of Pittsburgh, his beliefs were enhanced, and he committed his life to social justice. 

Jim is relentless in the pursuit of healthcare ALL and is excited to be part the DFA family. (Photo credit: Rick Danzl, The News-Gazette).


Executive Staff

Jose Tapia (email)

National Campaign and Issue Leaders

Director of Leadership Cultivation: Manisha Sharma, MD Email
Medicaid: Scott Poppen, MD MPA and all non-expansion state directors Email 
Gun Violence Prevention Campaign: Nina Agrawal, MD; David Berman, DO; Sanjeev Sriram, MD; Justin Lowenthal Email 
Drug Value, Pricing, and Affordability: Bruce Rector, MD; Justin Lowenthal; Dennis Deruelle, MD; Kyle Ragins, MD MBA; Mark Rood, MD; Jose Tapia Email
Mental Health:  Dora Wang, MD Email
Physician Wellness and Self-Care: Rich Joseph, MD MBA; Donna Hamilton, MD Email
Food as Health:  Isabel Chen, MD; Rebecca Parad; Rita Nguyen, MD Email
Substance Use and Addiction: Lori Heim, MD; Don Mathis; Lisha Barre, MD; Amit Mehta MD; Audrey Provenzano MD; Christine Petrin; Dora Wang MD; Edwin Kim MD; Jill Williams; Molly Grassini MD; Seanta Clark MD; Sarah Fox MD; Diana Wasserman MD; William Coe  Email 

State Directors and State Leadership Team Members

Tom Ellison, MD (email)

Nick Vasquez, MD (email)
Hershey Garner, MD JD (email)
Parveen Parmar (email)

Eamon Duffy (email)

Anna Lizama Clark, MD - Orlando (email)
Larry Floriani, MD - Deputy - Tampa (email)

Tim McHugh, MD (email)

Ram Krishnamoorthi, MD - Chicago (email)
Aaron Silver, Deputy - Chicago (email)

Cathleen London, MD (email)

Maryland (email)
Justin Lowenthal

Umbereen S. Nehal, MD MPH - Brookline (email)
Anish Mehta, MD, MPP - Cambridge (email)

Persharon Dixon, MD (email)

Matthew Bosley, MD (email

New Mexico
Dora Wang, MD (email)

New York 
Bruce Rector, MD - State Director (email)
Nina Agrawal, MD (email)
Kamini Doobay (email)
Katherine Scheirman, MD (email)

North Carolina 
Seanta Clark, PhD (email)
Gary Greenberg, MD (email)

Eleanor Greene, MD (email)
Cheryl Viglione, MD (email)

Arthur Lavin, MD - Cleveland (email)

Don Nguyen, MD - Dayton (email)
Matthew Noordsij-Jones, MD - Dayton (email)
Isaiah Cochran- Dayton (email

Christopher Hughes, MD (email

South Carolina 
Seanta Clark, PhD (email)
Shannelle Campbell, MD (email)

Anna Tran, MD (email)
Robert Luedecke, MD (email)

Scott Poppen, MD MPA (email)

Rebecca Jones, MD (email)

Lisa Plymate, MD (email)

Senior Advisor

Harold Pollack, PhD
Helen Ross Professor of Social Service Administration, University of Chicago

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