CMS Pub. 100-06, ch. 6, § 400.2

Column 1 - Participating Physicians/LLPs/NPPs/Suppliers - Prior - A count of the number of

physicians, limited license physicians (LLPs), non-physician practitioners (NPPs), and suppliers

participating prior to the beginning of the latest enrollment period.

Note: The carrier or A/B MAC adjusts this data if there are changes from the information

submitted in column 2 on the previous enrollment period.

Examples of possible reasons for changes to the data include:

• Addition of new physicians to the Medicare file;

• Reclassification of physicians, LLPs, NPPs, and suppliers between specialty designations;

• Deletion of deceased or retired physicians from the Medicare file; or

• Technical corrections to previously submitted data.

Column 2 - Participating Physicians/LLPs/NPPs/Suppliers - Current - The number of

physicians, limited license physicians, NPPs, and suppliers who are continuing as participants

from the prior participation period into the new participation period and the number who have

newly signed participation agreements in the latest enrollment period.

Column 3 - Participating Physicians/LLPs/NPPs/Suppliers - Continuing - Only the number of

physicians, limited license physicians, NPPs, and suppliers continuing as participants from the

prior participation period into the new participation period, not including those who have newly

signed participation agreements in the latest enrollment period or those who have dropped out.

Column 4 - Non-Participating Physicians/LLPs/NPPs/Suppliers - Prior - A count of

physicians, limited license physicians, NPPs, and suppliers not participating at the beginning of the

latest enrollment period.

Note: The carrier or A/B MAC adjusts this data if the information is different from that

submitted in column 5 on the previous enrollment period. (See column 1 for further

information.)

Column 5 - Non-Participating Physicians/LLPs/NPPs/Suppliers - Current - A count of

physicians, limited license physicians, NPPs, and suppliers not participating after the latest

enrollment period, including those who were not participating at the beginning of the latest

enrollment period and chose not to enroll and those who disenrolled during the latest period.

Column 6 - Participating Drop-Out - Current – Physicians/LLPs/NPPs, and suppliers who,

prior to this enrollment period, were participating in the program and have now decided to drop

out.

Column 7 - Non-Participating Sign-Up - Current – Physicians/LLPs/NPPs, and suppliers who

were non-participating prior to the latest enrollment period and who enrolled in the program during

the latest enrollment period.

Column 8 – Participating Disenrolls - Only the number of participants who disenrolled from the

Medicare program during an authorized disenrollment period held during the past 12 months. This

is blank unless CMS declares an authorized disenrollment period.