CMS Customer Service Numbers

CMS Technical and Non Technical Customer Service Support

What is the Customer Service Number to Call at?:
Call to CMS for any service support at 1-410-786-3000
Dial another number tel: 1-888-670-3525
One more customer service number you may need to dial is 1-800-633-4227

Where is CMS Head Office Located at?
The corporate office is located at 7500, Security Boulevard, Baltimore, Maryland-21244-1850, United States.
Directions For Driving: The given driving directions path of CMS from your place to 7500, Security Boulevard, Baltimore, Maryland-21244-1850, United States.

Which is the Website? is the website of the business.

The Locations Near You?
You can get all nearby locations of CMS on the map?

Essential Numbers Of CMS

Medicare: 1-800-633-4227
Gov Number: 1-800-633-4227
Help Desk: +410-786-2580
Insurance: +1-800-447-8477
Medicare Service Center TTY: 877-486-2048 .
HR Phone number: 980-343-3000
Provider: 1-800-633-4227)
Illinois: +1 312-633-1818
Transportation: +1 980-343-6715
Contact For Agents: 410-786-3000
Cms Illinois phone number (217) 782-0975
Cms portal help desk phone number 1 (855) 267-1515
Cms insurance phone number 1-800-633-4227
Cms medicare insurance phone number 1-800-633-4227
Cms bus transportation phone number +1 980-343-6715
Cms provider enrollment phone number (1-800-633-4227)
Cms Florida phone number 1-888-670-3525

You can get support from CMS at below mentioned contact numbers.

AddressPhone Number
CMS contact number uk+44 1304 212736
Sedgwick cms contact number+1 704-243-4789
CMS benoni contact number+27 11 578 5700


The administering association, CMS was organized under the Social security Act 1965 in the presidency of the erstwhile president of US, Mr. Lyndon Baines Johnson. this convenience authority is sometimes also attributed to as Health Care Financing supervision. CMS was primarily embarked as Health Care Financing Management (HCFA) in 1977.

Head division, divisional units and Employees

CMS has inaugurated its centralized department in Baltimore County, Maryland and the has set up ten divisional units over the US. the bureau has workers of over six thousand and workers, of that 4000 are regulating in the head division. CMS divisional units (Ros) are set-up Boston, Massachusetts; NYC, New York; Philadelphia, Pennsylvania; Atlanta, Georgia; Chicago, Illinois; Dallas, Texas; Kansas City, Missouri; Denver, Colorado; San Francisco, California; and Seattle, Washington.