Tina Dueringer is a board-certified nurse strategist and the CEO of Dueringer Advisors Inc., a nationally respected consulting firm serving health plans, providers, private equity, and healthcare innovators. With deep expertise spanning Medicare Advantage, Medicaid, Duals, ACA, and commercial markets, Tina brings over two decades of clinical and operational leadership to the most complex corners of the healthcare industry.
As Principal Advisor, Tina partners with executives, boards, and investors to architect scalable strategies that drive growth, compliance, and care transformation. Her advisory focus includes Stars performance, risk adjustment, population health, delegated entity management, joint ventures, M&A strategy, and AI-driven health system redesign. Whether guiding payer-provider integration or decoding regulatory landmines, Tina is known for turning complexity into competitive advantage.
Previously, Tina served as Vice President of Clinical Quality & Stars at Rebellis Group and held senior leadership roles at Cityblock Health, Blue Cross Blue Shield of Arizona, and the Wisconsin Department of Health Services. Her work has shaped policy, built infrastructure, and improved outcomes at every level of care delivery.
Tina holds a Bachelor of Science in Nursing and a post-graduate certification in Population Care Coordination from Duke University. She is a Board-Certified Case Manager (CCM) and a certified professional in care coordination (PCC), with a strong foundation in regulatory compliance, quality strategy, and health equity.
Ana Handshuh, Principal at CAT5 Strategies, is a government programs executive with expertise in creating and implementing corporate programs for the healthcare industry. Her background includes Quality, Core Measures, Care Management, Benefit Design and Bid Submission, Accreditation, Regulatory Compliance, Revenue Management, Communications, Community-based Care Management Programs and Technology Integration. Ms. Handshuh currently serves on the Board of the Resource Initiative and Society for Education (RISE), the preeminent national professional association dedicated to managed and accountable care financing and delivery. She is a sought after speaker on the national healthcare circuit in the areas of Quality, Star Ratings, Care Management, Member and Provider Engagement, and Revenue Management. Her recent consultancy roles have included assisting organizations create programs to address the unmet care management needs in the highest risk strata of membership, document their processes and procedures, achieve accreditation status, design and submit government program bids, institute corporate-wide programs and create communications strategies and materials. She possesses sophisticated business acumen with the ability to build consensus with cross-functional groups to accomplish corporate goals. Ms. Handshuh served as the Vice President of Managed Care Services at Central Florida Inpatient Medicine (CFIM). In this role, she provided leadership and strategy on CFIM projects and collaborations with physicians, risk entities, hospital health care systems, and health plans. CFIM is the largest Hospitalist group in Central Florida, with 70 providers discharging over 50,000 patients annually from multiple hospitals across two health care delivery systems and 24 skilled nursing facilities. At CFIM Ms. Handshuh previously served as the Vice President of Operations. Prior to those assignments, she worked with Precision Healthcare Systems as their Vice President of Quality Improvement. In that capacity, she led the IPA’s Quality efforts and collaborated with payers on implementing programs to move the needle on Quality and Star Rating initiatives. Ms. Handshuh also served as the Director of Corporate Program Development at Physicians United Plan. In this role, she led the Quality Management and Corporate Communications departments and spearheaded the development of innovative integrated technology solutions to drive business excellence and Star Rating achievement initiatives. For the past fifteen years Ms. Handshuh has taken an active role in redefining and implementing changes that have led to improvements and greater efficiency within Government programs and healthcare delivery. Prior to joining Physicians United Plan Ms. Handshuh was the founder of I-Six Creative. Under Ms. Handshuh’s vision and leadership, I-Six Creative provided expertise in the areas of managed Medicare benefit design, MSO/IPA operations, provider network strategy, new market launches, technology integration, corporate communications and quality improvement.
Katharine is the President of Healthy People, an NCQA-licensed HEDIS audit firm and CMS Data Validation firm. She is a member of NCQA’s Audit Methodology Panel and NCQA’s HEDIS Data Collection Advisory Panel. Katharine has been a Certified HEDIS® Compliance Auditor since 1998 and has directed more than two thousand HEDIS audits.
Previously, as CEO of the company Acumetrics, Katharine provided consultancy services to NCQA which helped their initial development and eventual launch of the NCQA Measure Certification Program.
Katharine is a frequent speaker at HEDIS conferences.
She is featured on an NCQA podcast, discussing the HEDIS Electronic Clinical Data System Measures: https://blog.ncqa.org/inside-h...
She received her BA from Columbia University and her MPH from UC Berkeley School of Public Health. She is a member of the National Association for Healthcare Quality and is published in the fields of healthcare and public health.
Tom Kornfield
National Expert on MA and Part D Payment Policy | Founder and CEO
Tom Kornfield National Expert on MA and Part D Payment Policy | Founder and CEO
MAST Health Policy Solutions
Mr. Kornfield is a leading national expert on Medicare Advantage risk adjustment and payment policy with more than 25 years of public and private sector experience. He spent 10 years at the Centers for Medicare and Medicaid Services (CMS) in a variety of roles tied to health plan payment and risk adjustment, where he was the technical lead on risk adjustment and for the annual rate notice would contribute technical sections on the payment methodologies for Medicare Advantage plans. He led the development of the 2014 and 2015 annual Medicare Advantage rate announcement. In addition, he has worked extensively with the risk adjustment model, served on expert panels, presented on risk adjustment policy in multiple webinars and conferences, developed impacts of changes to the model, and conducted training on both risk adjustment and Medicare Advantage payment for industry. Since his time at CMS, he has been a consultant with Avalere and as the Vice President of Medicare Policy for AHIP. He currently runs his own consulting firm, MAST Health Policy Solutions, which supports a wide range of healthcare clients on Medicare policy.
Laura Sheriff is a highly experienced and skilled professional in the healthcare industry, with a wealth of knowledge and expertise in risk adjustment, quality improvement, and population health analytics. With her background in Medicare, Medicaid, and Marketplace Managed Care, as well as her leadership abilities and certifications as a professional coder and risk coder, Laura brings a unique set of skills to her consulting work with physician groups and health plans.
