PLDF Faculty

Meet Our Faculty, Staff, Session & Project Group Leaders

Faculty members are recognized for their leadership skills and strong interest in developing leadership capacity in other providers. They include MaineHealth providers as well as national experts in provider leadership.

Joan Boomsma

Joan Boomsma, MD, MBA

Dr. Boomsma has extensive experience as a physician leader. After receiving her undergraduate degree from Calvin College in Michigan and attending the University of Michigan Medical School, she completed an internal medicine residency at Northwestern University. She went on to complete a fellowship in pulmonary and critical care at the University of Illinois College of Medicine, followed by a distinguished clinical career practicing at Northwestern Memorial Hospital in Chicago. She subsequently earned an MBA from the Kellogg Graduate School of Management at Northwestern University.

Over more than a decade, Dr. Boomsma held physician leadership roles with ever-growing responsibility at Chicago-area healthcare organizations. In 2011 she became chief medical officer of the Access Community Health Network in Chicago, serving more than 200,000 patients and overseeing the work of more than 250 providers. In 2013 she joined Atlantic Health System, one of the largest hospital systems in New Jersey. She first served as chief medical officer at one of Atlantic Health System’s hospitals and later as the chief medical officer of the system’s medical group of more than 600 physicians. Dr. Boomsma currently serves as chief medical officer for MaineHealth.


Gina Quinn-Skillings, MD, FACEP

Gina Quinn-Skillings, MD, FACEP

MaineHealth/Southern Maine Health Care

Dr. Quinn-Skillings completed her undergraduate degree at Brown University with honors in international relations and economics. She graduated from Dartmouth Medical School with honors and was elected to the Alpha Omega Alpha Honor Society. She completed her postgraduate training in emergency medicine at Maine Medical Center and has served as an attending physician in the Emergency Department at Southern Maine Health Care Biddeford Medical Center since 2001.

Dr. Quinn-Skillings is a fellow of the American College of Emergency Physicians. Prior to her position at MaineHealth, she served Southern Maine Health Care as medical director, chief and quality and safety service leader of the Department of Emergency Medicine and as chief medical information officer. Since 2012, she has been a member of the SMHC Board of Trustees and serves on the finance committee.

She served on the MaineHealth Board of Trustees in 2013. Dr. Quinn-Skillings is currently the director of the MaineHealth Physician Leadership Development Fellowship and is senior medical director for the MaineHealth Center for Health Improvement.


Dr. Robyn Leigh Ostrander, MD

Robyn Ostrander, MD

Maine Medical Center/Maine Behavioral Healthcare

Dr. Ostrander graduated summa cum laude from Smith College with a bachelor’s degree in psychology. She received her medical degree from Harvard Medical School and completed an internship and residency in adult psychiatry and a fellowship in child and adolescent psychiatry at Dartmouth Medical School. She is board-certified by the American Board of Psychiatry & Neurology in both psychiatry and child and adolescent psychiatry.

Dr. Ostrander has been affiliated with Maine Medical Center and Maine Behavioral Healthcare since 2016. She serves as associate chief of the Department of Psychiatry at Maine Medical Center, as well as medical director of the Division of Child & Adolescent Psychiatry at Maine Medical Center. She also serves as chair of the Glickman Family Center for Child & Adolescent Psychiatry at Spring Harbor Hospital. She previously served as senior medical director for the Brattleboro Retreat in Brattleboro, Vermont, and as director of the Leaders Developing Leaders Program there. Dr. Ostrander is an assistant professor of psychiatry at Tufts University School of Medicine. She co-authored a textbook on behavioral neuroanatomy and lectures actively on suicide prevention, coaching, and provider wellness. She has been a leadership coach and team leader with executives in healthcare and other industries, and has been active as a professional executive leadership coach with Linkage Inc. since 2011.


Scott Mills, MD, FACC

Scott Mills, MD, FACC

Mid Coast–Parkview Health

Dr. Mills serves as vice president of medical administration/chief medical officer of Mid Coast–Parkview Health. He began his career in Maine as a founding partner of Mid Coast Cardiology in 1988. In 1995, he became the first vice president of medical administration at the newly formed Mid Coast Hospital. In that position, he helped merge two smaller hospitals and their respective staffs to become Mid Coast Healthcare. Dr. Mills was instrumental in relocating that entity to a new campus in 2001.

His administrative role evolved in 2008 when he became vice president of medical administration/chief medical officer, managing the employed physicians of Mid Coast Medical Group. With his leadership, this multi-specialty group grew from 19 to more than 120 providers and from three to 27 practice entities. In 2015, he oversaw the integration of the former Parkview Adventist Hospital with Mid Coast Healthcare to form the current Mid Coast–Parkview Health.

Dr. Mills is past president of the Community Physicians of Maine and the Maine Medical Center Physician-Hospital Organization boards. In that role, he helped guide the organization to participate in the Medicare Shared Savings Program and evolve to the new MaineHealth Accountable Care Organization.

Dr. Mills is passionate about physician leadership and development. He has been involved with the MaineHealth Physician Leadership Development Fellowship since 2008 and with the Daniel Hanley Center for Health Leadership since 2009.


Neil Korsen, MD, MSc

Neil Korsen, MD, MSc

Maine Medical Center

Dr. Korsen is a family physician and geriatrician with 18 years of practice experience in rural Maine. He currently serves as a physician scientist at the MMC Center for Outcomes Research and Evaluation, where he is involved in health services research and performance improvement. Dr. Korsen received a master’s degree from The Dartmouth Institute in 2002, with a focus on healthcare improvement. He has led quality-improvement programs for MaineHealth in behavioral health integration and shared decision-making. Dr. Korsen speaks and consults regionally and nationally on healthcare quality improvement, quality measurement and behavioral health integration.


Michael Clark, MD

Michael Clark, MD

Lifespan Family Healthcare

Dr. Clark received his medical degree in 1993 from Loma Linda University in Southern California and completed residency training in family medicine at Middlesex Hospital in Middletown, Connecticut. He was awarded board certification by the American Board of Family Medicine in 1997. After serving four years as a family physician and flight surgeon in the United States Air Force, he took a position with a large family medicine practice near Washington, D.C., where he worked for nearly four years before moving back to Maine to start Lifespan Family Healthcare. He has traveled extensively and has participated in medical missions and disaster relief work in Africa, as well as Central and South America. Dr. Clark currently serves as a member of the board of directors for the MaineHealth Accountable Care Organization and as the chair of the Accountable Care Organization’s physician engagement and alignment committee.


Betsy Johnson

Elizabeth Johnson, MD, MS, FACP

MaineHealth Accountable Care Organization

Dr. Johnson serves as president and chief executive officer of the MaineHealth Accountable Care Organization. With over 17 years of experience in healthcare leadership and 20 years of clinical practice experience in internal medicine, she brings to the MaineHealth Accountable Care Organization her passion for building and supporting a community model of healthcare that is value-based, integrated and patient-centered. Through teamwork and partnership across the healthcare system, Dr. Johnson has helped facilitate the transition of the Maine Medical Center Physician-Hospital Organization and Community Physicians of Maine into an integrated accountable care organization, advocating for a culture of accountable care, provider engagement, transparency and achievement of the Quadruple Aim for over 1,400 providers and 10 acute care hospitals.

Before coming to the ACO, Dr. Johnson served as chief medical officer at Martin’s Point Health Care where, in addition to leading the Quality Division for both the health plans and delivery system, she led the integration of three medical groups into one group-employed model, as well as their transformation toward patient-centered medical homes. Prior to that, she served as chief of Internal Medicine and Adult Urgent Care at the Kenmore Center, part of Harvard Vanguard Medical Associates in Boston.

After receiving an AB from Bowdoin College, Dr. Johnson obtained her medical degree from Vanderbilt University School of Medicine and a Master of Health Care Management from Harvard T.H. Chan School of Public Health. She currently serves on several boards, including Maine Quality Counts and Coverys, a medical professional liability insurance company, and is the chair of the board of directors of Onpoint Health Data. She sees patients at Maine Medical Partners Falmouth Internal Medicine, and serves as faculty for the MaineHealth Physician Leadership Development Fellowship.


Andrea Patstone

Andrea Patstone

Western Maine Health

Ms. Patstone is chief operating officer at Stephens Memorial Hospital, where she oversees day-to-day management of the hospital, physician practices, outpatient services. Prior to this, she was senior vice president for System Development at MaineHealth. In this role she was responsible for advancing health system growth, developing and maintaining strong partnerships with corporate partners, and supporting MaineHealth member organizations to get the best value possible from their relationship with our health system. Her career has spanned the government, corporate and non-profit sectors. Prior to joining MaineHealth she served as chief operating officer for human services in the state of Massachusetts, where she was responsible for human resources, social service purchasing, real estate and facility management, and information technology operations for a $14.1 billion agency. Prior to serving in government, Ms. Patstone was part of the Health and Government Strategy Group of Accenture, a global consulting firm. She holds a bachelor’s degree in anthropology from Yale College and a Master in Public Policy degree from the Harvard University Kennedy School of Government.


Dr. Mark G Parker, MD

Mark Parker, MD, FASN

Maine Medical Center

Dr. Mark Parker is the vice president of Quality and Safety at Maine Medical Center. He is responsible for oversight of MMC’s Operational Excellence and Patient Experience programs as well as the Risk Management/Patient Safety Division. Dr. Parker is a former nephrology division director and fellowship program director at MMC and is recognized nationally for original work on medical education and workforce recruitment in the field of nephrology. He is a clinical associate professor of medicine at Tufts University School of Medicine.


Jordan Peck, Ph.D.

Jordan Peck, Ph.D.

MaineHealth

Jordan Peck holds a doctorate in engineering systems from MIT with a focus in healthcare systems engineering and Lean enterprise transformation. He is the senior director of the MaineHealth Center for Performance Improvement and manages a team of highly skilled internal consultants, project managers and quality and process improvement experts. CPI performs engagements across MaineHealth and Maine Medical Center and is responsible for the roll out of MaineHealth Operational Excellence, a culture of improvement-based management system. Prior to MaineHealth, Jordan served as a senior staff engineer with the VA New England Healthcare System and as an adjunct clinical professor of healthcare operations management at the Boston University School of Public Health.

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