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Data on Provider Market Structure: The MHQP Master Provider Database

by sinan on September 6th, 2016
Meredith Rosenthal

Meredith Rosenthal
Harvard T.H. Chan School of Public Health

Massachusetts Health Quality Partners (MHQP) is a nationally recognized, non-profit coalition of physicians, hospitals, health plans, purchasers, patient and public representatives, academics, and government agencies. MHQP’s mission is to drive measureable improvement in health care quality, patients’ experiences of care, and use of resources in Massachusetts through patient and public engagement and broad-based collaboration among health care stakeholders, including physicians, hospitals, health plans, purchasers, patient and public advocates, government agencies and academics.

MHQP reports reliable, actionable information to healthcare providers to improve the care they deliver to their patients and to consumers so they can understand and improve the quality of their own care ( In addition, MHQP is able to sell data sets to researchers, policy makers, and others for analysis that leads to a better understanding of the health care sector and the forces that shape it.

MHQP’s Massachusetts Provider Database (MPD) captures the structure of ambulatory care in Massachusetts and provides a location-based snapshot of Massachusetts providers. It is the only valid data source available that maps primary care and specialty providers statewide to the practice site, medical group and network in which they provide care. The MPD is updated and validated annually. The MPD is an essential research resource used by academic researchers, health plans, government agencies and provider organizations to link to other databases, including the Massachusetts All Payer Claims Database. For example, with such a linkage, the MPD can be used to examine provider consolidation in Massachusetts and its impact on referrals to affiliated vs. unaffiliated specialists, the total cost of care, and readmission rates.

The MPD includes:

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