{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T16:29:53Z","timestamp":1785601793371,"version":"3.56.0"},"reference-count":35,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2024,10,25]],"date-time":"2024-10-25T00:00:00Z","timestamp":1729814400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Photoderm Photoimm Photomed"],"published-print":{"date-parts":[[2024,11]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Trends in phototherapy utilization in the context of new therapeutics have not been evaluated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>This study aimed to evaluate phototherapy utilization, payments, and geographic distribution for Medicare beneficiaries from 2000 to 2021.<\/jats:p><\/jats:sec><jats:sec><jats:title>Patients\/Methods<\/jats:title><jats:p>A longitudinal analysis of the Medicare Part B National Summary Data Files was conducted to obtain phototherapy utilization and payment amounts. Medicare Physician &amp; Other Practitioners by Provider and Service datasets were used to determine provider type and geographic distribution.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Between 2000 and 2021, total Medicare phototherapy volume increased from 335,152 to 621,850, correlating with a 3.0% annual growth rate (5.0% between 2000 and 2015, \u22123.1% between 2016 and 2021). Ultraviolet B phototherapy represented the majority of use, rising from 68.1% in 2000 to 78.0% in 2021. Psoralens plus ultraviolet A decreased by 11.3% annually, while laser treatments increased by 17.3%. Between 2013 and 2021, the number of clinics offering phototherapy declined; facilities were available in only 9.9% of counties, mainly clustered along both coasts and east of the Mississippi.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Overall, phototherapy continues to be an important therapeutic option. Limited access in non\u2010urban areas remains a significant challenge, and further work is necessary to both evaluate this impact and reduce disparities.<\/jats:p><\/jats:sec>","DOI":"10.1111\/phpp.13008","type":"journal-article","created":{"date-parts":[[2024,10,26]],"date-time":"2024-10-26T02:54:51Z","timestamp":1729911291000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Trends in Phototherapy Utilization, Payments, and Geographic Distribution: An Analysis of United States Medicare Part B From 2000 to 2021"],"prefix":"10.1111","volume":"40","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4121-5190","authenticated-orcid":false,"given":"Eric","family":"Xia","sequence":"first","affiliation":[{"name":"Department of Dermatology Brigham and Women's Hospital, Harvard Medical School  Boston Massachusetts USA"},{"name":"Boston University Chobanian and Avedisian School of Medicine  Boston Massachusetts USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-0873-7363","authenticated-orcid":false,"given":"Lisa","family":"Kam","sequence":"additional","affiliation":[{"name":"Department of Dermatology Brigham and Women's Hospital, Harvard Medical School  Boston Massachusetts USA"},{"name":"Louisiana State University Health New Orleans School of Medicine  New Orleans Louisiana USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6084-5617","authenticated-orcid":false,"given":"Arash","family":"Mostaghimi","sequence":"additional","affiliation":[{"name":"Department of Dermatology Brigham and Women's Hospital, Harvard Medical School  Boston Massachusetts USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,10,25]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaad.2020.04.095"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1039\/c2pp25120e"},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM197412052912301"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.det.2019.08.009"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.1067\/mjd.2002.120451"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jaad.2015.11.041"},{"issue":"6","key":"e_1_2_12_8_1","first-page":"39","article-title":"Would Elimination of Copayments for Phototherapy Decrease the Cost of Treating Psoriasis With Systemic Biologics? 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