09:40am Monday 20 November 2017

Study Reveals Surprising Benefits of Smaller Physician Practices

Dr. Lawrence Casalino

The paper, published in Health Affairs, investigated the quality of care in practices with 19 or fewer physicians, using a measure of care known as the ambulatory care-sensitive admission rate — the rate of hospital admissions that could have been prevented by primary care. The results revealed that practices with one to two physicians had 33 percent fewer admissions than practices with 10-19 physicians, and practices with three to nine physicians had 27 percent fewer preventable admissions. The study also found that physician-owned practices had fewer preventable admissions than hospital-owned practices.

“That’s important because right now hospitals are rapidly employing more and more physicians,” said the study’s principle investigator, Dr. Lawrence Casalino. “It’s happening very fast and changing the landscape of practice, so finding that hospital-owned physician practices did not perform as well should be interesting to physicians, patients, hospital executives, and policymakers.”

The findings are surprising because large practices and hospital-owned practices have more resources than small practices to hire staff and create systematic processes to improve care. But these types of practices lagged behind their smaller counterparts in rates of preventable hospital admissions, a widely accepted measure of healthcare quality. While the difference does not mean that size and ownership cause the smaller care-sensitive admission rate, the authors do suggest possible reasons for the correlation.

“It’s possible that there are closer connections among patients, physicians, and staff in smaller practices,” said Dr. Casalino, the Livingston Farrand Professor of Public Health and a professor in the Department of Healthcare Policy and Research at Weill Cornell. “It may also be that it is easier for patients to reach their physician by phone and to be seen the same day, if necessary, in smaller practices.”

Dr. Casalino pointed out that the study did not include practices with more than 19 physicians, “so we don’t know whether the small practices in this study would perform better than very large medical groups or large hospital-owned groups,” he said.

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