Requesting CMS's Limited Data Set (LDS) Files - New Use Request

LDS Requesters must submit to CMS the following request materials:

Written request letter
2-3 page research application
LDS Data Use Agreement (DUA)
LDS Order Form (under the "Downloads" section)
Check or money order for payment in full

LDS file request packets should be sent to:

a. Mailing Address if using U.S. Postal Service
    Centers for Medicare & Medicaid Services
    RDDC Account
    Accounting Division
    P. O. Box 7520
    Baltimore, Maryland 21207-0520

b. Mailing Address if using express mail (Federal Express, Airborne, etc.)
    Centers for Medicare & Medicaid Services
    OFM/Division of Accounting-RDDC
    7500 Security Boulevard, C3-07-11
    Baltimore, Maryland 21244-1850

The LDS file request process can also be found on the CMS website.

Last Modified March 18, 2009