Trends in primary care provision to medicare beneficiaries by physicians, nurse practitioners, or physician assistants

2008-2014

Ying Xue, James Goodwin, Deepak Adhikari, Mukaila Raji, Yong Fang Kuo

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Objectives: To document the temporal trends in alternative primary care models in which physicians, nurse practitioners (NPs), or physician assistants (PAs) engaged in care provision to the elderly, and examine the role of these models in serving elders with multiple chronic conditions and those residing in rural and health professional shortage areas (HPSAs). Design: Serial cross-sectional analysis of Medicare claims data for years 2008, 2011, and 2014. Setting: Primary care outpatient setting. Participants: Medicare fee-for-service beneficiaries who had at least 1 primary care office visit in each study year. The sample size is 2 471 498. Measurements: Physician model—Medicare beneficiary’s primary care office visits in a year were conducted exclusively by physicians; shared care model—conducted by a group of professionals that included physicians and either NPs or PAs or both; NP/PA model: conducted either by NPs or PAs or both. Results: There was a decrease in the physician model (85.5% to 70.9%) and an increase in the shared care model (11.9% to 23.3%) and NP/PA model (2.7% to 5.9%) from 2008 to 2014. Compared with the physician model, the adjusted odds ratio (AOR) of receiving NP/PA care was 3.97 (95% CI 3.80-4.14) in rural and 1.26 (95% CI 1.23-1.29) in HPSAs; and the AOR of receiving shared care was 1.66 (95% CI 1.61-1.72) and 1.14 (95% CI 1.13-1.15), respectively. Beneficiaries with 3 or more chronic conditions were most likely to received shared care (AOR = 1.67, 95% CI 1.65-1.70). Conclusion: The increase in shared care practice signifies a shift toward bolstering capacity of the primary care delivery system to serve elderly populations with growing chronic disease burden and to improve access to care in rural and HPSAs.

Original languageEnglish (US)
Pages (from-to)256-263
Number of pages8
JournalJournal of Primary Care and Community Health
Volume8
Issue number4
DOIs
StatePublished - Oct 1 2017

Fingerprint

Physician Assistants
Nurse Practitioners
Medicare
Primary Health Care
Physicians
Office Visits
Rural Health
Odds Ratio
Fee-for-Service Plans
Sample Size
Chronic Disease
Outpatients
Cross-Sectional Studies
Health
Population

Keywords

  • Access to care
  • Multiple chronic conditions
  • Nurse practitioners
  • Physician assistants
  • Primary care

ASJC Scopus subject areas

  • Community and Home Care
  • Public Health, Environmental and Occupational Health

Cite this

@article{6d77e4ca22034edeba08dd604e34aa02,
title = "Trends in primary care provision to medicare beneficiaries by physicians, nurse practitioners, or physician assistants: 2008-2014",
abstract = "Objectives: To document the temporal trends in alternative primary care models in which physicians, nurse practitioners (NPs), or physician assistants (PAs) engaged in care provision to the elderly, and examine the role of these models in serving elders with multiple chronic conditions and those residing in rural and health professional shortage areas (HPSAs). Design: Serial cross-sectional analysis of Medicare claims data for years 2008, 2011, and 2014. Setting: Primary care outpatient setting. Participants: Medicare fee-for-service beneficiaries who had at least 1 primary care office visit in each study year. The sample size is 2 471 498. Measurements: Physician model—Medicare beneficiary’s primary care office visits in a year were conducted exclusively by physicians; shared care model—conducted by a group of professionals that included physicians and either NPs or PAs or both; NP/PA model: conducted either by NPs or PAs or both. Results: There was a decrease in the physician model (85.5{\%} to 70.9{\%}) and an increase in the shared care model (11.9{\%} to 23.3{\%}) and NP/PA model (2.7{\%} to 5.9{\%}) from 2008 to 2014. Compared with the physician model, the adjusted odds ratio (AOR) of receiving NP/PA care was 3.97 (95{\%} CI 3.80-4.14) in rural and 1.26 (95{\%} CI 1.23-1.29) in HPSAs; and the AOR of receiving shared care was 1.66 (95{\%} CI 1.61-1.72) and 1.14 (95{\%} CI 1.13-1.15), respectively. Beneficiaries with 3 or more chronic conditions were most likely to received shared care (AOR = 1.67, 95{\%} CI 1.65-1.70). Conclusion: The increase in shared care practice signifies a shift toward bolstering capacity of the primary care delivery system to serve elderly populations with growing chronic disease burden and to improve access to care in rural and HPSAs.",
keywords = "Access to care, Multiple chronic conditions, Nurse practitioners, Physician assistants, Primary care",
author = "Ying Xue and James Goodwin and Deepak Adhikari and Mukaila Raji and Kuo, {Yong Fang}",
year = "2017",
month = "10",
day = "1",
doi = "10.1177/2150131917736634",
language = "English (US)",
volume = "8",
pages = "256--263",
journal = "Journal of primary care & community health",
issn = "2150-1319",
publisher = "Sage Periodicals Press",
number = "4",

}

TY - JOUR

T1 - Trends in primary care provision to medicare beneficiaries by physicians, nurse practitioners, or physician assistants

T2 - 2008-2014

AU - Xue, Ying

AU - Goodwin, James

AU - Adhikari, Deepak

AU - Raji, Mukaila

AU - Kuo, Yong Fang

PY - 2017/10/1

Y1 - 2017/10/1

N2 - Objectives: To document the temporal trends in alternative primary care models in which physicians, nurse practitioners (NPs), or physician assistants (PAs) engaged in care provision to the elderly, and examine the role of these models in serving elders with multiple chronic conditions and those residing in rural and health professional shortage areas (HPSAs). Design: Serial cross-sectional analysis of Medicare claims data for years 2008, 2011, and 2014. Setting: Primary care outpatient setting. Participants: Medicare fee-for-service beneficiaries who had at least 1 primary care office visit in each study year. The sample size is 2 471 498. Measurements: Physician model—Medicare beneficiary’s primary care office visits in a year were conducted exclusively by physicians; shared care model—conducted by a group of professionals that included physicians and either NPs or PAs or both; NP/PA model: conducted either by NPs or PAs or both. Results: There was a decrease in the physician model (85.5% to 70.9%) and an increase in the shared care model (11.9% to 23.3%) and NP/PA model (2.7% to 5.9%) from 2008 to 2014. Compared with the physician model, the adjusted odds ratio (AOR) of receiving NP/PA care was 3.97 (95% CI 3.80-4.14) in rural and 1.26 (95% CI 1.23-1.29) in HPSAs; and the AOR of receiving shared care was 1.66 (95% CI 1.61-1.72) and 1.14 (95% CI 1.13-1.15), respectively. Beneficiaries with 3 or more chronic conditions were most likely to received shared care (AOR = 1.67, 95% CI 1.65-1.70). Conclusion: The increase in shared care practice signifies a shift toward bolstering capacity of the primary care delivery system to serve elderly populations with growing chronic disease burden and to improve access to care in rural and HPSAs.

AB - Objectives: To document the temporal trends in alternative primary care models in which physicians, nurse practitioners (NPs), or physician assistants (PAs) engaged in care provision to the elderly, and examine the role of these models in serving elders with multiple chronic conditions and those residing in rural and health professional shortage areas (HPSAs). Design: Serial cross-sectional analysis of Medicare claims data for years 2008, 2011, and 2014. Setting: Primary care outpatient setting. Participants: Medicare fee-for-service beneficiaries who had at least 1 primary care office visit in each study year. The sample size is 2 471 498. Measurements: Physician model—Medicare beneficiary’s primary care office visits in a year were conducted exclusively by physicians; shared care model—conducted by a group of professionals that included physicians and either NPs or PAs or both; NP/PA model: conducted either by NPs or PAs or both. Results: There was a decrease in the physician model (85.5% to 70.9%) and an increase in the shared care model (11.9% to 23.3%) and NP/PA model (2.7% to 5.9%) from 2008 to 2014. Compared with the physician model, the adjusted odds ratio (AOR) of receiving NP/PA care was 3.97 (95% CI 3.80-4.14) in rural and 1.26 (95% CI 1.23-1.29) in HPSAs; and the AOR of receiving shared care was 1.66 (95% CI 1.61-1.72) and 1.14 (95% CI 1.13-1.15), respectively. Beneficiaries with 3 or more chronic conditions were most likely to received shared care (AOR = 1.67, 95% CI 1.65-1.70). Conclusion: The increase in shared care practice signifies a shift toward bolstering capacity of the primary care delivery system to serve elderly populations with growing chronic disease burden and to improve access to care in rural and HPSAs.

KW - Access to care

KW - Multiple chronic conditions

KW - Nurse practitioners

KW - Physician assistants

KW - Primary care

UR - http://www.scopus.com/inward/record.url?scp=85041757390&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85041757390&partnerID=8YFLogxK

U2 - 10.1177/2150131917736634

DO - 10.1177/2150131917736634

M3 - Article

VL - 8

SP - 256

EP - 263

JO - Journal of primary care & community health

JF - Journal of primary care & community health

SN - 2150-1319

IS - 4

ER -