​Michael Blumental, CEO and Founder

Mike founded HDD in 2008 with the goal of helping health plans and software vendors maximize the value of healthcare data to improve clinical and financial performance. Mike has dedicated his career to the effective use of healthcare data and technology. He has broad experience leading projects in health technology, data strategy, reporting and analytics, software design and implementation, and healthcare quality measurement. As CEO, Mike is focused on collaborating with health plans, providers, federal and state agencies and analytic/technology vendors to improve quality of care, refine performance measurement and drive revenue growth. Mike also supports several client projects providing strategy and execution to improve HEDIS® and Stars rates.

Prior to founding HDD, Mike worked with several New England area health plans, state Medicaid and human service agencies and health analytic vendors in several roles including data analytics, account management and client implementation. Mike founded and leads the Linkedin HEDIS® Improvement Forum with over 2,500 participants. He is also certified in Critical Outcomes Reporting Analysis by the Disease Management Purchasing Consortium,a distinction held by less than 200 professionals globally.

Mike has a B.A. in Economics from Bentley University and an M.B.A. from Bentley University. Mike is a frequent speaker in the RISE Quality series of conferences, and is recognized as a thought leader in HEDIS® data management and chart review.

John Hoff, Principal, Analytic Development and Chief Security Officer

John is a medical economist who leads the health economics and outcomes research practice at Health Data Decisions.  He brings broad expertise in clinical outcome studies, program evaluation, statistical programming and predictive modeling.  John has worked closely with many health plans to develop and implement reliable study designs for medical home and population health analytics, custom predictive models, actuarial and underwriting reporting systems, behavioral markers for human capital research, and performance measure engine design and development. As Chief Security Officer, John oversees all IT, security and compliance activities.


John has worked extensively in payment model design including bundled and global payments.  Most recently he has developed cutting-edge payment models focusing on primary care.
​Prior to joining the team, John designed payment reform models and developed health outcomes methodologies at Harvard Pilgrim Health Care and established a medical economics practice at Senior Whole Health, a dual eligible payer in Massachusetts.  Prior to that he led a variety of health outcomes teams as Manager of Medical Informatics Consulting at nAPS Healthcare.

​John has a B.A. in Mathematics and Physics from the University of Montana.

Mark Enders, Principal, Health Informatics

As Principal of Health Informatics, Mark leads the company’s data management and quality measurement and improvement practices. Mark has more than 20 years of HEDIS®, data management, analytics and data warehouse expertise.  He brings extensive experience leading HEDIS® submissions for Medicare, Special Needs Plans, commercial and California Medi-Cal plans.  Mark is an expert and thought leader in HEDIS® rate improvement through advanced data governance, deep measure analytics and strategic medical record pursuit and review strategies.  He has specific proficiency in the Medicare STARS Part D measures and the NCQA HEDIS® measure certification program.

​Prior to joining Health Data Decisions, Mark worked for medium to large size health plans and HEDIS® certified and abstraction software vendors integrating health care analytics with quality improvement business functions.  Mark has held numerous leadership roles directing software development, quality and project teams to improve and streamline processes and improve quality scores.

Mark has a B.S. in Health Informatics from Western Governors University.

Ian Harrison, Vice President, Client Operations

Ian leads HDD’s internal and external business initiatives to drive client engagement, enhance operational efficiencies, and grow HDD’s business through sales partnerships. He specializes in the creation of KPI dashboards that synthesize disparate datasets. Ian is a driven healthcare executive who has worked extensively with payers, providers, and vendors to achieve mutually beneficial results for all parties. Ian oversees operations for all client relationships, and leads our medical record review and workflow projects.

Prior to his work with Health Data Decisions, Ian was the Vice President for Strategic Health Consulting where he led implementations and process optimization engagements for EHR, HIE and HIX deployments. He was also responsible for Corporate Reporting, Sales and Systems Operations, Technical Support, go-to-market planning and execution for Arcadia Healthcare Consulting.  Before that, Ian led new product development, sales, delivery and product support for NaviNet.

Ian has a B.S. in Biology from Villanova University.

Keith Bell, Director, Health Systems Measurement

Keith is an expert in quality measurement and HEDIS improvement, and brings a strong foundation in public health. Keith manages HEDIS operations for a variety of health plans and has helped to create innovative programs to increase quality of care and reduce costs. Recently, he developed algorithms to ensure care standards are met in frail elders with a Senior Care Organization.  He also helped improve the capture of risk information for both health plans and vendors. In addition, Keith leads our education and training program and hosts a monthly webinar series on advanced HEDIS® topics.  Keith is a popular speaker who presents frequently at national conferences.

​Prior to joining HDD, Keith led HEDIS® and clinical quality initiatives at Harvard Pilgrim Healthcare, Neighborhood Health Plan, Boston Medical Center HealthNet Plan, and was most recently the health care quality and HEDIS® product manager for McKesson Care and Analytics. He also served as the elected chair of the New England HEDIS® coalition. Keith’s background includes vendor management, health care software development, managed care, and direct care environments. He is skilled in product and program development, management and evaluation with extensive knowledge of health care services, business analytics, quality measurement, HEDIS, accreditation standards, quality improvement, and government sponsored programs. Keith has extensive experience developing quality and process improvement initiatives and has solid technical skills to meet rigorous client data requests.

Keith has a B.A. in Biology from Boston University and an M.P.H. in Social and Behavioral Sciences from Boston University School of Public Health.

David Douglass, Director, Research and Metrics

David brings over 20 years of experience in economic forecasting and policy research for state government and health plans. David is an expert in data visualization, forecasting and prediction strategies, ARIMA and logistic regression models, as well as neural networks. Using extensive knowledge of industry standards and regulations, statistics, and data analytics, he develops solutions which promote the integration of risk and quality programs across all operational areas. David is our risk adjustment thought leader for HEDIS® and Stars projects, and leads advanced analytic programs for Federal and State governments and national non-profit organizations across the healthcare industry.

Before joining HDD, David analyzed and optimized risk models for Martins Point Health Care’s MA plan, helping to achieve a 5 Star rating. David also worked to integrate data from a wide number sources to distill into actionable results at Anthem Blue Cross and Blue Shield and the City of Portland, Maine Healthcare for the Homeless program. In addition, he provided economic forecasting and policy research for the Maine Governor’s office.

David has a B.A. in Philosophy from Colby College and a M.S. in Public Policy and Management from the University of Southern Maine.

Liz Carr, Manager, Consulting Services

Liz manages analytics consulting services supporting multiple clients with HEDIS® and quality measurement projects, business requirement documentation, and reporting needs. Liz is an expert in framework and algorithm design for STARS and HEDIS® products, as well as process management and improvement for HEDIS® chart review.  Liz also brings extensive experience with ICD-10 software conversions and analytic programming in SQL.

Before joining HDD, Liz was an analyst and scrum master at McKesson. She worked closely with the software development team on financial and quality software products.

Liz has a B.A. in Neuroscience from Johns Hopkins University.

Patrick McGrath, Manager, Data Analytics

Patrick is the Manager of Data Analytics with Health Data Decisions. He conducts analytic projects including performance measurement and quality analytics for a federal agency, as well as projects in HEDIS®, patient-centered medical homes, and medical economics studies.

Patrick has extensive history working with healthcare data. He joins HDD from Coastal Medical in Rhode Island, one of the largest ACOs in the state, where he managed analytical work for risk-based contract reporting and CMS Shared Savings submissions. Prior to Coastal Medical, Patrick worked at Blue Cross Blue Shield of Rhode Island where he was responsible for making data driven recommendations to senior management for initiatives such as increasing member engagement.  In addition, he developed and maintained coding for a rating application used by the Underwriting and Actuarial departments.

Patrick has a B.S. in Computer Science from Bridgewater State University and an M.B.A. from the University of Rhode Island.

Brielle Meehan, Consulting Analyst

Brielle brings 8 years of experience in HEDIS® medical record review, audit navigation, and utilization management coordination. Brielle supports HEDIS® and quality measurement projects for health plans, and develops project management and business requirement documentation for a variety of projects. Brielle works with clients to improve business performance and efficiency in all areas of performance measurement.

Brielle joined HDD from Neighborhood Health Plan where she worked as the HEDIS® Project Coordinator. At NHP, Brielle was responsible for the preparation of medical record review validation for auditing. She managed the medical record retrieval process along with project documentation preparation, such as the HEDIS® Roadmap. Brielle was nominated for and received the Key Contributor Award in 2016 for her work managing several successful HEDIS® submissions. Prior to NHP she worked in the Utilization Management department at Harvard Pilgrim Health Care, one of America’s highest-rated health plans.

Brielle is currently pursuing a B.A. in Healthcare Management from Southern New Hampshire University.

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