HealthLeaders-InterStudy, the managed care business of Decision Resources, Inc., finds that smaller, independent preferred provider organizations (PPOs) are more dominant than their national managed care firm (NMCF) counterparts in U.S. counties with large concentrations of PPOs. HealthLeaders-InterStudy's new database, the PPO County Estimator Fall 2004, finds that regional, independent PPO penetration rates exceed NMCF PPO penetration rates in 16 of the top 20 counties ranked by PPO population.

"National managed care firms may have more PPO covered lives on a national level," said Lance Wolkenbrod, program manager for HealthLeaders-InterStudy. "But if organizations such as pharmaceutical firms want to understand and influence health plans in local markets, they need to target the independent plans."

About The PPO County Estimator

The PPO County Estimator is the ONLY source for PPO estimated market shares by county and is based on covered lives data from over 80% of surveyed PPOs. This database contains a unique set of PPO information that provides a county-level look into the PPO market, allowing users to access key strategic planning information. Research is provided in an easy-to-use, online interface with raw data available in both Excel and Access formats.

About HealthLeaders-InterStudy

HealthLeaders-InterStudy is the new managed care business of Decision Resources, Inc., offering data, directories, news, and analyses of the ever- evolving managed care industry. By identifying important trends and influences such as health plan demographics, key market events, major health care organization alliances, and impending legislation, HealthLeaders-InterStudy products serve as comprehensive information tools to help executives stay abreast of market dynamics in the health care industry. For InterStudy products, please visit For HealthLeaders products, please visit

About Decision Resources

Decision Resources, Inc., ( is a world leader in research publications, advisory services, and consulting designed to help clients shape strategy, allocate resources, and master their chosen markets.

All company, brand, or product names contained in this document may be trademarks or registered trademarks of their respective holders.

   For more information, contact:    Frank Sama    HealthLeaders-InterStudy    781-296-2553 

SOURCE: HealthLeaders-InterStudy

CONTACT: Frank Sama of HealthLeaders-InterStudy, +1-781-296-2553,

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