Our Leadership
Clinical Board of Directors
Christina E. Bratis, MD, President, Clinical Board
Dr. Christina Bratis, a hospitalist board-certified in internal medicine, serves as President of the Clinical Board of the Duly Health and Care physician organization. Dr. Bratis joined Duly Health and Care in August 2009 and has served on the Clinical Board of Directors since 2017. She has held many other leadership roles including that of Hospitalist Department Chair from 2014 – 2018 and Chair of several Board Committees.
Within the community, Dr. Bratis played an instrumental role as the Clinical Chief of Staff of the McCormick Place Alternate Care Facility, the first local field facility built to address the city of Chicago and state of Illinois’ COVID-19 response.
She earned her medical degree from Rush Medical College, completed her residency at the University of Illinois at Chicago, and served an additional year there as chief resident in internal medicine. She is affiliated with Advocate Good Samaritan Hospital, Edward Hospital, Elmhurst Hospital and Northwestern Medicine Central DuPage Hospital.
Brian Muska, MD, Vice President Clinical Board
Dr. Brian Muska, a board-certified gastroenterologist, serves on the Clinical Board of the Duly Health and Care physician organization. Dr. Muska has been in practice for 30 years, leading the growth of Northwest Healthcare Associates as it expanded its locations and services, prior to merging with DuPage Medical Group in 2017.
Dr. Muska has experience with Alexian Brothers/Amita’s Clinically Integrated Network, including the medical management committee, ACO and Board of Directors.
He received his medical degree from Rosalind Franklin University of Medicine and Science in North Chicago. Dr. Muska completed his residency in internal medicine and fellowship training in clinical gastroenterology at the Loyola University Medical Center. He is a fellow of both the American College of Gastroenterology (ACG) and the Illinois State Medical Society. He is affiliated with Ascension Alexian Brothers Hospital in Elk Grove Village.
Mia A. Taormina, DO, FACOI, Secretary, Clinical Board
Dr. Mia Taormina, board-certified in Infectious Disease and Internal Medicine with Hospital Medicine focus, serves on the Clinical Board of the Duly Health and Care physician organization. Dr. Taormina has been a part of Duly Health and Care since 2012 and has served in various leadership roles including as Chair of the Department of Infectious Disease, and her leadership has been highlighted throughout the organization’s COVID response.
Detroit area born and raised, Dr. Taormina graduated from Michigan State University — College of Osteopathic Medicine with honors and served as President of the Student Government. She completed an Internal Medicine residency and Infectious Disease Fellowship at Beaumont Botsford Hospital in Farmington Hills, MI where her leadership skills were further utilized in her roles as Chief Intern and Chief Resident during her training. Dr. Taormina recently received the honor of giving the Keynote Address at her alma mater at the convocation of osteopathic medical school graduates at Michigan State University in 2022.
Stefan Nemeth, MD, Treasurer, Clinical Board
Dr. Stefan Nemeth, a board-certified family medicine doctor, serves on the Clinical Board of the Duly Health and Care physician organization. Dr. Nemeth has been in practice for 24 years and focuses his practice on patients ages nine and older, with clinical interests in sports injuries, diabetes, hypertension and arthritis.
Dr. Nemeth was the Chief of Medical Staff at Provena St. Joseph Medical Center in 2010. He served as President of Meridian Medical at the time that the group joined DuPage Medical Group in 2015. He has helped continue to grow services in Joliet and clinics serving the Will County area. He earned his medical degree from Loyola University Stritch School of Medicine in Maywood and completed his residency at Hinsdale Hospital. He is affiliated with Amita Health Presence Saint Joseph Hospital in Joliet and Silver Cross Hospital in New Lenox.
Thomas Gallagher, MD, Clinical Board
Dr. Thomas Gallagher, a board-certified internal medicine physician, serves on the Clinical Board of the Duly Health and Care physician organization. He was one of the founding members of DuPage Medical Group in 1999 and has practiced in the Hinsdale area throughout his career which began in 1992. Dr. Gallagher has been a site leader at the Hinsdale Clay Street location since 2009. He was also the department of medicine chairman from 2014 until 2017. He has served on numerous committees over the years, including the EMR and Charitable Fund committees. In 2017, Dr. Gallagher stepped away from leadership roles and pursued a master’s degree in clinical informatics at Northwestern. He completed the degree in 2020 and became board-certified in informatics in 2021.
Dr. Gallagher graduated from the University of Michigan and then attended the University of Chicago for medical school. After finishing a residency at Northwestern, he joined a small, four physician medical practice in Hinsdale. These physicians ultimately became founding members of DuPage Medical Group.
Brett Hampson, MD, Clinical Board
Dr. Brett Hampson, a board-certified family medicine physician, serves on the Clinical Board of the Duly Health and Care physician organization. Dr. Hampson has been in practice for 24 years, with over 11 years of experience at Duly Health and Care, fostering strong patient relationships and delivering high-quality healthcare to the community.
Dr. Hampson received his medical degree from the University of Iowa College of Medicine and completed his residency in family medicine at Northwestern University – St. Joseph Hospital. He began his career in private practice before joining DuPage Medical Group in 2013. Since then, he has actively contributed to Duly Health and Care, serving on several committees, including those focused on optimizing physicians’ use of the EMR and expanding access for patients. Dr. Hampson currently serves as a Regional Leader for several of our Primary Care clinic sites.
Naira Hashmi, MD, Clinical Board
Dr. Naira Hashmi, a board-certified internal medicine doctor, serves on the Clinical Board of the Duly Health and Care physician organization. Dr. Hashmi has been in practice for 21 years and focuses her practice on the care of adult patients.
Dr. Hashmi graduated from M.R. Medical College in India, completed her residency in Primary Care Internal Medicine at Cook County Hospital and Rush Presbyterian St. Luke’s Medical Center in Chicago. She joined a private practice in Naperville and contributed to its successful growth; leading to an opportunity to merge with DuPage Medical Group in 2008. Since 2008 she has served in various primary care leadership roles within the organization. She is a member of the American Medical Association and the American College of Physicians and affiliated with Edward Hospital.
Jihad Kudsi, MD, MBA, MSF, ABOM, FACS, FASMBS, Clinical Board
Dr. Jihad Kudsi, board-certified in surgery and obesity medicine, serves on the Clinical Board of the Duly Health and Care physician organization. Dr. Kudsi has been in practice for 8 years, and focuses his practice on holistic care for those patients struggling with obesity and other health conditions requiring surgery. He serves as the Bariatric Surgery Medical Director at the University of Chicago LaGrange Hospital, where his leadership helps shape the course of surgical advancements and patient care. He serves as Chair of the Surgery Department at Duly Health and Care, where he works to advance the group’s surgical practices.
Dr. Kudsi earned his MBA and Master of Science in Finance from Indiana University’s Kelley School of Business in 2020. He received his medical degree from Aleppo University in Syria. He completed his residency in general surgery at George Washington University and fellowship training in minimally invasive bariatric surgery at the Houston Methodist Hospital, Texas Medical Center.
Dr. Kudsi is affiliated with Northwestern Medicine Central DuPage Hospital and University of Chicago LaGrange Hospital.
Ayis Pyrros, MD, Clinical Board
Dr. Ayis Pyrros, board-certified in diagnostic radiology, neuroradiology and clinical informatics, serves on the Clinical Board of the Duly Health and Care physician organization. Dr. Pyrros has been in practice since 2009 and has extensive experience in both clinical practice and research, contributing to advancements in the field of radiology.
Dr. Pyrros earned his medical degree from Jefferson Medical College and completed his residency in diagnostic radiology and a fellowship in neuroradiology at Northwestern University. Since joining DuPage Medical Group in 2017, he served as the Chair of the Radiology Informatics Committee and has served as the Section Chief of Neuroradiology since 2022. He has clinical interest in head and neck imaging, MRI, CTA imaging and PET/CT brain imaging. He has been instrumental in implementing innovative technologies that improve patient care, including programming, designing and executing a platform to help manage patient health data.
With a passion for education, Dr. Pyrros also serves as adjunct faculty at the University of Illinois Chicago. He actively reviews abstracts for the American Roentgen Ray Society and the Radiological Society of North America (RSNA). He was appointed to the RSNA informatics committee. He is a member of the American College of Radiology, American Society of Neuroradiology, American Roentgen Ray Society, Radiological Society of North America and the American Medical Association.
Anand Shah, MD, Clinical Board
Dr. Anand Shah, a board-certified radiation oncologist, serves on the Clinical Board of the Duly Health and Care physician organization. Dr. Shah has been in practice since 2010 and is passionate about providing exceptional cancer care and creating a collaborative environment for physicians.
Since joining Duly in 2013, Dr. Shah has played a pivotal role in establishing and growing the department of Radiation Oncology. He has held various leadership roles, including Chairman of the Radiation Oncology department since 2018 and Chairman of the Cancer Committee since 2019. He spearheaded the initiation of the Stereotactic Body Radiation therapy program at Duly. His leadership has been instrumental in achieving accreditation as a cancer program by the American College of Surgeons and in establishing the only Multidisciplinary Prostate Clinic in Illinois. He has served as moderator of the Thoracic, Genitourinary, and Head and Neck Multidisciplinary Conferences since 2013.
He earned his medical degree from Northwestern University Medical School, where he was selected to the Alpha Omega Alpha Honor Society. He earned a Masters of Science in medical physics from Rush University Graduate College and completed his residency at Rush University Medical Center, where he served as chief resident of radiation oncology. He has written several first author publications, as well as a textbook chapter on pancreatic cancer. He is a member of the American Society for Radiation Oncology.
Senior Management Team
Dan Greenleaf, Chief Executive Officer
Dan Greenleaf serves as Chief Executive Officer at Duly Health and Care. He works in close partnership with leadership and clinicians on advancing Duly’s mission of delivering exceptional clinical excellence and patient care while driving sustainable growth for the independent physician group.
Dan brings nearly 30 years of experience leading healthcare services organizations. Most recently he served as President and CEO of Modivcare, which provides a platform of integrated supportive care solutions focused on improving health outcomes. Prior to that he served as President and CEO of BioScrip, Inc., the largest independent provider of infusion and home care management solutions, where he led the merger with Option Care Health. He also served as CEO of Home Solutions Infusion Services and Coram Specialty Services.
Dan graduated from Denison University with a Bachelor of Arts in Economics and holds a Master of Business Administration in Health Administration from the University of Miami. He spent six years in the United States Air Force where he served as an officer and navigator and did a tour in the first Gulf War.
Paul Merrick, MD, Chief Physician Executive and Chairman, Duly Health and Care
Dr. Paul Merrick, a board-certified and renowned urologist, serves as Co-Chairman of the Duly Health and Care Board and Chief Physician Executive. In his roles, Dr. Merrick leads the Board and physicians in their goal of making healthcare better for patients and communities by offering high-quality and compassionate care. He ensures that Duly’s physician-driven approach continues to lead to exceptional physician engagement and improved patient outcomes.
He has been in practice since 1994, was a founding physician when Duly Health and Care started as DuPage Medical Group in 1999 and has been leading the physician organization since 2009. He previously served as chairman of the Urology department for 13 years; he also previously served as President and Treasurer of the Clinical Board. Dr. Merrick earned his medical degree from Rush Medical College and completed his residency at Rush University Medical Center, where he served as chief resident of urology.
Chase Hammon, Chief Financial Officer
Chase Hammon serves as Chief Financial Officer at Duly Health and Care. In this role, Chase serves as a key member of the senior management team, further positioning our organization for profitable long-term growth and scalability.
Chase brings more than 16 years of multi-site health care services experience to the Duly organization. Chase has proven success in long-term capital planning, provider compensation, revenue cycle optimization, business development, mergers and acquisitions, integrated delivery models, strategic planning, and financial leadership of independent, multispecialty physician-directed medical groups.
Chase most recently served as CFO of Springfield Clinic, where he successfully negotiated significant increases from commercial payors, developed a value-based care platform, generated new revenue streams, and improved financial performance by implementing industry standard benchmarks and driving team-focused collaboration. Prior to that role, Chase served as a CFO of Bön Secours Mercy Health for seven hospitals, 400 providers, and more than 100 locations in Richmond, Virginia.
Chase earned his bachelor’s degree in finance at George Mason University – School of Management in Fairfax, Virginia, and his MBA in Health/Health Care Administration/Management from The University of Texas at Dallas.
Carol Brockmiller, President, Quincy Medical Group
Carol Brockmiller serves as the President of Quincy Medical Group, which has been part of the Duly Health and Care brand since fall 2021. Carol has been part of the QMG for over 25 years and became CEO in November 2014. In 2025, she was named President, continuing her dedication to advancing healthcare in the region.
Carol’s passion lies in transforming healthcare for residents of Central Illinois and the tri-states of Illinois, Iowa and Missouri and advancing the organization’s culture to provide an unrivaled environment for physicians to deliver healthcare, team members to build life-long careers and patients to experience unparalleled care.
Ryan West, President, Duly Health and Care, Chicagoland Operations
Ryan West serves as the President, Chicagoland Operations for Duly Health and Care. In this role he partners with the physicians and leaders throughout the organization to ensure delivery of an exceptional patient experience. Ryan joined Duly in 2021 with more than 15 years of healthcare experience, serving in roles across consulting, strategic planning, population health and operations. Prior to joining Duly, Ryan served in several progressive leadership roles at VillageMD, Ascension Health, and SSM Health Care in St. Louis, MO. Most recently, Ryan served as CEO of Duly’s operation in Indiana under The South Bend Clinic brand.
Ryan is a graduate of Elon University in North Carolina and earned his Master of Health Services Administration from Xavier University.
Kerri Balbone, Chief Revenue Officer
Kerri Balbone serves as Chief Revenue Officer for Duly Health and Care. She is a veteran healthcare leader with more than 30 years of experience. In her role, Kerri has oversight for our revenue cycle management functions and payor contracting and partnerships. Kerri has a strong value-based care background that will serve Duly well as we strengthen the VBC care model that Duly is known for delivering to patients.
Prior to joining Duly, Kerri served as the Chief Operating Officer of Health Net, a subsidiary of Centene, where she led the operations for several of Health Net’s businesses representing three million California members. Before joining Health Net, she worked at UnitedHealthcare where she excelled in various leadership roles over her 16-year tenure, ranging from Business Integration, Network & Provider Strategy and Health Plan Operations. She is uniquely versed in understanding our business from a payor perspective and is a strong patient and physician advocate.
Kerri earned her Bachelor of Science degree in Health Systems Management from the University of Connecticut and her MBA in Health Administration from Sacred Heart University in Fairfield, CT.
Neil Kunkel, General Counsel
Neil Kunkel serves as General Counsel of Duly Health and Care. In his role, Neil collaborates with business leaders and provides guidance on legal, regulatory and compliance matters.
After beginning his career at boutique law firms where he represented hospitals, health systems, nursing home and other businesses, Neil joined the in-house team as Counsel at HCA Healthcare, the country’s largest, publicly traded hospital management company. While at HCA, Neil served as Managing Counsel and led a team of five lawyers that was responsible for all the legal needs of approximately 50 hospitals in the southwestern U.S. Following HCA’s spin-off of Lifepoint, Neil moved to the independent entity and began working with operations to successfully grow the leading owner and manager of rural hospitals. Neil’s success led him to the role of General Counsel at Capella Healthcare, a company that managed rural hospitals nationally. Upon Capella’s sale, Neil took on the role of General Counsel and Compliance Officer at CleanSlate Centers, a multi-state healthcare services provider. Most recently Neil served as the Chief Legal Officer and member of the Executive Management Team at the National Spine & Pain Centers, LLC.
With over 30 years of progressive legal experience, Neil has a depth of expertise in critical legal matters that will support our organization as we continue to grow.
Neil holds a bachelor’s degree from Wake Forest University and a Juris Doctor from the University of Louisville School of Law.
Paul Dumas, Chief Human Resources Officer
Paul Dumas serves as Chief Human Resources Officer of Duly Health and Care. He is a global, human capital business and operations leader with more than 25 years’ experience in both publicly traded and privately held high-growth organizations. At Duly, Paul leads our human resources team in Duly’s continued commitment to fostering an inclusive workplace where diverse talents can flourish. He is a strategic partner with colleagues on the management team, aligning HR initiatives with business goals while ensuring employee well-being and engagement.
Prior to joining Duly, Paul served as Chief Human Resources Officer for Cision, a Chicago-based, global leader in marketing and communications and previously as the Chief Human Resources Officer for Fiserv, the global leader of financial services technology and solutions. Paul has held leadership positions at U.S. Anesthesia Partners, Merck, Pepsi-Cola and Hyatt.
Paul earned a Master’s Degree in Human Resources & Organization Development from the University of San Francisco, specialized training through the Human Resources Executive Program at Stanford University, and a Bachelor’s degree from Johnson & Wales University.
Donald Hoscheit, MD, Chief Medical Officer
Dr. Donald Hoscheit, a practicing board-certified gastroenterologist, serves as the Chief Medical Officer of Duly Health and Care. He has been in practice at Duly for more than 35 years and has held many leadership roles within and outside the organization. In addition to serving as Chief Medical Officer, he leads many of Duly’s internal committees and shares responsibility for upholding the integrity and accountability of the staff while empowering them to best serve the members of our community who come to us for care.
He earned his medical degree from the Loyola University Stritch School of Medicine and completed his internship, residency in internal medicine and fellowship training in clinical gastroenterology at the Loyola University Medical Center. He is a fellow of both the American College of Gastroenterology (ACG) and the American Gastroenterological Association (AGA).
Chris Nash, Chief Technology Officer
Chris Nash serves as the Chief Technology Officer of Duly Health and Care, where he leads a team of nearly 200 technologists and engineers. Prior to joining Duly Health and Care in 2022, Chris served as CIO of Adtalem Global Education where he helped transform Adtalem into a leading educator of doctors, nurses, and veterinarians. In 2019, Nash was awarded Chicago CIO of the Year for Large Enterprises. Chris has held numerous management and executive positions with a variety of technology organizations from Kraft Foods and Millward Brown to Shorr Packaging. His technology experience spans across digital transformation, eCommerce, data analytics, AI, cloud migration, and more.
Chris earned his MBA from Northwestern University and his Bachelor’s degree from Beloit College.
Dana Rye, President, Value-Based Care
Dana Rye serves as Chief Value Based Care Officer. She leads our value-based care strategy and program management, including analytics, care management and population health management. She joins Duly Health and Care from US Renal Care, a national provider of kidney and dialysis services. She served as Senior Vice President, Value Based Care Operations. She led multiple value based care programs, responsible for strategy, operational execution, and physician relationships. She stood up the company’s first value-based care program nationally, generating successful outcomes in nearly all markets. Finally, she built and led the Transplant Operations team, responsible for supporting patients navigating the transplant process. She began her USRC tenure supporting growth and operations for home therapies.
Prior to US Renal Care, Dana held Business Development and Operations roles at OneOncology, an MSO for community oncologists, helping to build the de novo organization and physician network. She joined the private-equity backed healthcare services space from McKinsey & Company, where she worked in the Healthcare Systems & Services practice. She began her career at Credit Suisse, most recently serving as a Vice President in the High Yield group covering healthcare companies.
Dana holds an MBA from Harvard Business School, an MPP from Harvard’s Kennedy School of Government, and a BA from Middlebury College. Dana serves on the board of Fight Colorectal Cancer.
Rajit Shetty, MD, Senior Vice President, Clinical Operations
Dr. Rajit Shetty, board-certified in radiology, serves as Senior Vice President, Clinical Operations at Duly Health and Care. Dr. Shetty works closely with the Duly leadership team to lead improvements in our clinical performance.
In practice at Duly Health and Care since 2005, he most recently served in a physician leadership role as Division Chief over Ancillary and Medical Specialty Services. As a practicing physician he has clinical interest in neuroimaging, specifically involving the brain, spine and nervous system. He has been instrumental in advancing radiology services at Duly and building a department of specialists with advanced training in all modalities of imaging.
Dr. Shetty earned his medical degree from the University of Kentucky College of Medicine. He completed his residency training in radiology at St. Louis University Hospital and his fellowship training at Brigham and Women’s Hospital Harvard Medical School.