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Research ArticleORIGINAL RESEARCH

Primary Care’s Historic Role in Vaccination and Potential Role in COVID-19 Immunization Programs

Elizabeth Wilkinson, Anuradha Jetty, Stephen Petterson, Yalda Jabbarpour and John M. Westfall
The Annals of Family Medicine July 2021, 19 (4) 351-355; DOI: https://doi.org/10.1370/afm.2679
Elizabeth Wilkinson
1The Robert Graham Center for Policy Studies in Family Medicine and Primary Care, Washington, DC
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Anuradha Jetty
1The Robert Graham Center for Policy Studies in Family Medicine and Primary Care, Washington, DC
MPH
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Stephen Petterson
1The Robert Graham Center for Policy Studies in Family Medicine and Primary Care, Washington, DC
PhD
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Yalda Jabbarpour
1The Robert Graham Center for Policy Studies in Family Medicine and Primary Care, Washington, DC
MD
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John M. Westfall
1The Robert Graham Center for Policy Studies in Family Medicine and Primary Care, Washington, DC
MD, MPH
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  • For correspondence: JWestfall@aafp.org
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Tables

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    Table 1.

    Medicare Part B Fee-For-Service Billable Services and Vaccinations by Provider Type, 2017

    Total Number of ServicesUnique ProvidersVaccinationUnique Vaccine Providers
    Provider Typen%n%n%n%
    Mass immunizer15,476,6970.640,2463.915,474,44845.240,24226.7
    Centralized flu6,382,1290.39,7931.06,382,12918.69,7936.5
    Mass immunizer roster biller8,979,7710.430,1442.98,978,51126.230,14220.0
    Pharmacy7,4840.0290.06,5640.0270.0
    Public health or welfare agency107,3130.02800.0107,2440.32800.2
    Primary care physician315,693,22413.1183,47517.815,834,61946.277,62751.4
    Family practice122,477,6535.181,8097.97,704,97022.541,77727.7
    General practice6,989,2410.34,9430.5198,1960.61,2640.8
    Geriatric medicine2,442,9020.11,8110.287,0310.34780.3
    Internal medicine183,783,4287.694,9129.27,844,42222.934,10822.6
    NP/PA/CCNS102,676,7804.3171,18016.61,592,5194.720,86113.8
    Certified clinical nurse specialist949,8370.01,9790.23,8970.0400.0
    Nurse practitioner63,649,6002.6104,09810.11,198,5463.515,39110.2
    Physician assistant38,077,3431.665,1036.3390,0761.15,4303.6
    Clinical laboratory314,641,41913.12,8380.31260.030.0
    Other1,662,710,60869.0635,17261.51,364,8704.012,1618.1
    Total2,411,198,729  1001,032,91110034,266,581100150,894100
    • CCNS = certified clinical nurse specialist; NP = nurse practitioner; PA = physician assistant.

    • Note: Source: Centers for Medicare and Medicaid Services Medicare Provider Utilization and Payment Data: Physician and Other Supplier Public Use, 2017; Centers for Medicare and Medicaid Services National Provider Payment Enumeration System, August 2017 Quarter 3 Update.

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    Table 2.

    Vaccination Visits by Provider Type in Medical Expenditure Panel Survey, 2013-2017

    Provider TypeVaccination Visits No., Weighted (%)
    Primary care physicians37,332,602 (53.6)
    Family medicine13,618,734 (19.5)
    Internal medicine2,971,356 (4.3)
    Pediatrics20,664,522 (29.6)
    Geriatrics77,990 (0.1)
    NP/PA15,584,875 (22.4)
    Non-primary care physician7,859,141 (11.3)
    Other nonphysician8,934,141 (12.8)
    Total67,299,316 (100)
    • NP = nurse practitioner; PA = physician assistant.

    • Note: Source: Medical Expenditure Panel Survey, 2013-2017.

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  • The Article in Brief

    Primary Care's Historic Role in Vaccination and Potential Role in COVID-19 Immunization Programs

    John M. Westfall, and colleagues

    Background Researchers examined the role of primary care physicians and other clinicians in delivering vaccinations in the United States. They used two main datasets to create an in-depth analysis of services delivered to Medicare patients, followed by analysis of the Agency for Healthcare Research and Quality’s 2017 Medical Expenditure Panel Survey (MEPS) to determine where patients are getting vaccinated and by whom.

    What This Study Found In the 2017 Medicare Part B Fee-For-Service, primary care physicians provided the largest share of services for vaccinations (46%), followed by mass immunizers (45%), then nurse practitioners/physician assistants (5%). The MEPS showed that primary care physicians provided a majority of clinical visits for vaccination (54%).

    Implications  

    • Primary care physicians have played a crucial role in vaccination delivery to the U.S. population, including the elderly. They are well positioned to help with administering COVID-19 vaccinations. They are also equipped to provide clinical guidance to help patients interpret results from COVID-19 testing and immunity determinations and can answer vaccine questions.

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The Annals of Family Medicine: 19 (4)
The Annals of Family Medicine: 19 (4)
Vol. 19, Issue 4
1 Jul 2021
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Primary Care’s Historic Role in Vaccination and Potential Role in COVID-19 Immunization Programs
Elizabeth Wilkinson, Anuradha Jetty, Stephen Petterson, Yalda Jabbarpour, John M. Westfall
The Annals of Family Medicine Jul 2021, 19 (4) 351-355; DOI: 10.1370/afm.2679

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Primary Care’s Historic Role in Vaccination and Potential Role in COVID-19 Immunization Programs
Elizabeth Wilkinson, Anuradha Jetty, Stephen Petterson, Yalda Jabbarpour, John M. Westfall
The Annals of Family Medicine Jul 2021, 19 (4) 351-355; DOI: 10.1370/afm.2679
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Subjects

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