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. Author manuscript; available in PMC: 2022 Nov 1.
Published in final edited form as: Gynecol Oncol. 2021 Aug 27;163(2):229–236. doi: 10.1016/j.ygyno.2021.08.013

Table 1:

Characteristics of Providers with National Provider Identification characterized as Gynecologic Oncology.

Characteristic Frequency (%)/Mean (SE)

Total NPI with taxonomy of Gynecologic Oncology 1,527 (100)

Gender – Female 663 (43.4)

Solo Proprietor 207 (13.6)

Census Division
 New England 97 (6.4)
 Middle Atlantic 276 (18.1)
 East North Central 206 (13.5)
 West North Central 98 (6.4)
 South Atlantic 298 (19.5)
 East South Central 97 (6.4)
 West South Central 153 (10.0)
 Mountain 91 (6.0)
 Pacific 211 (13.8)

Enumeration Year
 2005–2010 1,369 (89.6)
 2011–2014 120 (7.9)
 2015–2019 38 (2.5)

Last Update Year
 2007–2010 325 (21.3)
 2011–2014 395 (25.9)
 2015–2019 807 (52.8)

Mean number of gynecologic oncologists (per 100,000 women)±
 In all counties 0.11 ± 0.01
 In counties with at least one GO 1.24 ± 0.09
±

Source: 2019 U.S. Census Bureau (18,19)