RAND Corp. researchers estimated that the shortage in primary care physicians would decline from 45,000 to 35,000 if patient-centered medical homes provide 45% of U.S. primary care in 2025, while a similar effect would be achieved if nurse-managed health centers provide 5% of U.S. primary care in 2015. Researchers also projected that the physician shortage would be almost eliminated if provider-to-patient ratios in PCMHs increased by 20%. The results appear in Health Affairs.

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