Opt Out Affidavits

Description

The Opt Out Affidavits dataset provides information on providers who have decided not to participate in Medicare. It contains provider's NPI, specialty, address, and effective dates.

Resources

Name Format Description Link
21 https://data.cms.gov/data-api/v1/dataset/77d83a62-415d-467d-80c3-98d4049c03fe/data
21 latest https://data.cms.gov/data-api/v1/dataset/9887a515-7552-4693-bf58-735c77af46d7/data
21 https://data.cms.gov/data-api/v1/dataset/f556100f-1738-4417-aa30-eeb98aaa18e9/data
21 https://data.cms.gov/data-api/v1/dataset/7f00fc30-e8da-4b71-b5cc-fec80ac09446/data
21 https://data.cms.gov/data-api/v1/dataset/e515a683-993c-4309-8894-1b8f0d9074fa/data
21 https://data.cms.gov/data-api/v1/dataset/d78085f1-0b10-400f-9a3f-9500f9f1a126/data
21 https://data.cms.gov/data-api/v1/dataset/a0f3ecf2-3ed1-46b4-81b4-99e24155b502/data
8 OptOut_October2023.csv https://data.cms.gov/sites/default/files/2023-11/a86256d3-a4ac-4e42-a1a5-14d2d4e518fc/OptOut_October2023.csv
21 https://data.cms.gov/data-api/v1/dataset/12160436-acac-47f8-9e10-d51ffb0b179c/data
21 https://data.cms.gov/data-api/v1/dataset/a2652bb9-8b17-49e7-9d24-d6244c6a0519/data
8 OptOut_August2023.csv https://data.cms.gov/sites/default/files/2023-09/25a2e462-2286-4bd2-a7dc-32744f239dcc/OptOut_August2023.csv
21 https://data.cms.gov/data-api/v1/dataset/36a27662-2883-4827-8b6d-10118e86d17c/data
21 https://data.cms.gov/data-api/v1/dataset/a175b7c2-ab4c-43a7-a2cb-1614d35be1df/data
8 OptOut_April2023.csv https://data.cms.gov/sites/default/files/2023-05/02e85de4-9c70-4d8f-84eb-6e14b5f2d5cd/OptOut_April2023.csv
21 https://data.cms.gov/data-api/v1/dataset/010003d2-acf5-4399-9e8b-7f603fab3b34/data
8 OptOut_List_April2024.csv https://data.cms.gov/sites/default/files/2024-06/6892e840-6a8d-4534-8c71-1e16edac861a/OptOut_List_April2024.csv
8 OptOut_November2023.csv https://data.cms.gov/sites/default/files/2023-12/c5543700-f5cc-43c7-a92e-ee66ebc579ad/OptOut_November2023.csv
8 OptOut_January2024.csv https://data.cms.gov/sites/default/files/2024-02/96446c46-bc77-4187-8e70-e83bbd92a9f9/OptOut_January2024.csv
8 OptOut_September2023.csv https://data.cms.gov/sites/default/files/2023-10/38452b30-7550-4135-baec-3d29dc4fb4a2/OptOut_September2023.csv
8 OptOut_List_May2024.csv https://data.cms.gov/sites/default/files/2024-06/f2ba2639-edca-49ca-bcb6-5b451ca3a0a7/OptOut_List_May2024.csv
21 https://data.cms.gov/data-api/v1/dataset/39afb7ba-0051-4d2f-9cb6-6afd7dace142/data
21 https://data.cms.gov/data-api/v1/dataset/d30cd363-6c20-43f2-bb01-fe7dd6fc3cca/data
8 OptOut_July2023.csv https://data.cms.gov/sites/default/files/2023-08/03d0fa94-f226-488b-b210-302a04ff73bb/OptOut_July2023.csv
8 OptOut_March2024.csv https://data.cms.gov/sites/default/files/2024-04/20356dd8-8c77-41a3-81a3-a8e7bcf26aba/OptOut_March2024.csv
8 OptOut_June2023.csv https://data.cms.gov/sites/default/files/2023-07/e1551827-7fd4-4f11-89b5-815f5f629d06/OptOut_June2023.csv
8 OptOut_February2024.csv https://data.cms.gov/sites/default/files/2024-03/6f3836d6-c139-4d56-9540-0f15f71f76d9/OptOut_February2024.csv
8 OptOut_May2023.csv https://data.cms.gov/sites/default/files/2023-06/c9aedbc4-cf97-4f8f-b02f-8e0086fc080c/OptOut_May2023.csv
8 Opt_Out_List_November.csv https://data.cms.gov/sites/default/files/2024-12/45dbcd99-513a-46d6-a793-0c22bce533c8/Opt_Out_List_November.csv
8 Opt_Out_List_November_2025.csv https://data.cms.gov/sites/default/files/2025-12/0cec7cbc-be0b-4f0b-8f65-70277fbf3194/Opt_Out_List_November_2025.csv
21 https://data.cms.gov/data-api/v1/dataset/579a8dd0-28e1-4d4c-9e51-cc96489f49dd/data
8 Opt_Out_List_October.csv https://data.cms.gov/sites/default/files/2025-11/ac82e2ac-20fb-4f84-b3f5-72ec50d13604/Opt_Out_List_October.csv
21 https://data.cms.gov/data-api/v1/dataset/2054d677-6fca-47c4-be63-f2949fa42b9f/data
8 Opt_Out_List_September.csv https://data.cms.gov/sites/default/files/2025-10/e35135e3-59ec-4c85-bd22-bb311ec5b35c/Opt_Out_List_September.csv
21 https://data.cms.gov/data-api/v1/dataset/52bb8c1e-cc35-4d47-bc20-df8ada4b7805/data
8 Opt_Out_List_August.csv https://data.cms.gov/sites/default/files/2025-09/287eb0f4-ac93-4e02-92fb-49a2f60694fa/Opt_Out_List_August.csv
21 https://data.cms.gov/data-api/v1/dataset/687622ff-481a-4ee9-aca1-eba28b4158ba/data
8 Opt_Out_List_July.csv https://data.cms.gov/sites/default/files/2025-08/b8b11f57-4ed1-43e3-b340-70ad347f0ecc/Opt_Out_List_July.csv
21 https://data.cms.gov/data-api/v1/dataset/781da4ae-265f-476b-8f70-4b0c8c18a732/data
8 Opt_Out_List_June.csv https://data.cms.gov/sites/default/files/2025-07/3dbdfa9b-2639-458d-b5bb-d569794a8560/Opt_Out_List_June.csv
21 https://data.cms.gov/data-api/v1/dataset/2041464e-ff3b-47e8-bf4d-df225d809148/data
8 Opt_Out_List_May.csv https://data.cms.gov/sites/default/files/2025-06/b251b636-0dbc-496d-9aa1-dc55c0980405/Opt_Out_List_May.csv
21 https://data.cms.gov/data-api/v1/dataset/c8f2e37b-1e3e-480f-8526-bb2e1e2f44ab/data
8 Opt_Out_List_April.csv https://data.cms.gov/sites/default/files/2025-05/1ce41a37-167a-49ea-83cb-23a57ac7e4da/Opt_Out_List_April.csv
21 https://data.cms.gov/data-api/v1/dataset/a2f438b9-3063-4693-9fb4-dd352ce71d54/data
8 Opt_Out_List_March.csv https://data.cms.gov/sites/default/files/2025-04/fcfeb052-e800-4934-844d-0bd2e0b48937/Opt_Out_List_March.csv
21 https://data.cms.gov/data-api/v1/dataset/f9bf8080-34b3-4f13-9118-7b369dea5e3e/data
8 Opt_Out_List_February.csv https://data.cms.gov/sites/default/files/2025-03/8cdbaa34-846c-4a84-9952-5a41cf00cb4d/Opt_Out_List_February.csv
21 https://data.cms.gov/data-api/v1/dataset/572816d4-ae54-4dca-a2dd-e18abd681fe5/data
8 Opt_Out_List_January.csv https://data.cms.gov/sites/default/files/2025-02/101001b7-73df-419e-b101-602baa5015c5/Opt_Out_List_January.csv
21 https://data.cms.gov/data-api/v1/dataset/b25ba6e8-9f64-40f7-9e6b-0d0795bf0d8c/data
8 Opt_Out_List_December.csv https://data.cms.gov/sites/default/files/2025-01/159de946-877e-4ffe-8aca-e800b30bcda3/Opt_Out_List_December.csv
21 https://data.cms.gov/data-api/v1/dataset/89adeb27-fd52-4e32-b1e8-d59d60695f92/data
21 https://data.cms.gov/data-api/v1/dataset/d096e8a1-6a47-4dc9-9abb-dbe07d49f0e2/data
8 Opt_Out_List_October.csv https://data.cms.gov/sites/default/files/2024-11/25550d4a-4e7c-4af0-9252-1940134b31ed/Opt_Out_List_October.csv
21 https://data.cms.gov/data-api/v1/dataset/7f9f306c-5644-4459-9154-3f08aa3ef7a1/data
8 OptOut_List_September.csv https://data.cms.gov/sites/default/files/2024-10/ddd9d74f-0caf-4aad-9a0b-da041f5e1ef8/OptOut_List_September.csv
21 https://data.cms.gov/data-api/v1/dataset/0a52437c-589e-4938-bdb6-29cea99b219e/data
8 OptOut_List_August2024.csv https://data.cms.gov/sites/default/files/2024-09/42b1dc00-f08f-48e6-85e5-baf42282efce/OptOut_List_August2024.csv
21 https://data.cms.gov/data-api/v1/dataset/dfb9eb68-03df-4b03-9b11-195dd4e9e2da/data
8 OptOut_List_July2024.csv https://data.cms.gov/sites/default/files/2024-08/0330d38b-4589-4b57-8864-7dfaec84b26a/OptOut_List_July2024.csv
21 https://data.cms.gov/data-api/v1/dataset/26aa22d2-089b-4e3a-95df-dcaa4c41ea6a/data
8 OptOut_List_June2024.csv https://data.cms.gov/sites/default/files/2024-07/2e200ad9-38aa-4977-90ec-26a327420468/OptOut_List_June2024.csv
21 https://data.cms.gov/data-api/v1/dataset/8de501b8-2871-448d-967c-3ed1919a69c3/data
8 OptOut_December2023.csv https://data.cms.gov/sites/default/files/2024-01/4f86cfcc-3e3f-46fe-aaa4-7faa636a3762/OptOut_December2023.csv
21 https://data.cms.gov/data-api/v1/dataset/0c629692-cbc3-4cc8-aefe-544ccf3ad7e7/data

Tags

  • provider-enrollment
  • medicare
  • original-medicare
  • medicare-advantage

Topics

Categories