Requesting CMS's Limited Data Set (LDS) Files - Reuse Request
LDS Requesters must submit to CMS the following request materials:
- Written request letter
- 2-3 page research application
- LDS Data Use Agreement (DUA)
- Check or money order for payment of $600 for the reuse fee or the cost of new files, whichever is less.
- LDS Order Form (Under "Downloads" section) - Only necessary if request involves requesting new files in addition to requesting reuse.
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 April 14, 2009