Contact Information

P.O. Box Mailing Addresses

Business Function State Mailing Address
Additional Documentation Requests CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7108
Indianapolis, IN 46207-7108
Additional Documentation Requests IL, MN, WI National Government Services, Inc.
Attn: Medical Review
P.O. Box 6474
Indianapolis, IN 46206-6474
ASCA Waiver Request Forms All National Government Services, Inc.
Attn: ASCA
P.O. Box 7022
Indianapolis, IN 46207-7022
Appeals CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
Appeals Department
P.O. Box 7111
Indianapolis, IN 46207-7111
Appeals IL, MN, WI National Government Services, Inc.
Appeals Department
P.O. Box 6474
Indianapolis, IN 46206-6474
Audit and Reimbursement
(cost reports)
CT, IL, MA, ME, MN, NH, NY, RI, VT, WI
 
National Government Services, Inc.
Attn: Cost Report Unit
P.O. Box 7040
Indianapolis, IN 46207-7040

FEDEX or courier only:
National Government Services, Inc.
Attn: Cost Report Unit
6345 Castleway Court
Indianapolis, IN 46250
Bank Lockbox
(MSP and non-MSP)
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 809366
Chicago, IL 60680-9366

U.S. Bank
Attn: Lockbox #809366
5635 South Archer Avenue
Chicago, IL 60638
Bank Lockbox
(MSP and non-MSP)
IL, MN, WI
 
National Government Services, Inc.
P.O. Box 809199
Chicago, IL 60680-9199

U.S. Bank
Attn: Lockbox #809199
5635 South Archer Avenue
Chicago, IL 60638
Claims
(UB-04 forms)
IL, MN, WI National Government Services, Inc.
P.O. Box 6474
Indianapolis, IN 46206-6474
Claims
(UB-04 forms)
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7091
Indianapolis, IN 46207-7091
Congressional Correspondence All National Government Services, Inc.
P.O. Box 6131
Indianapolis, IN 46206-6131
EDI Customer Support
(electronic billing forms and inquiries)
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7111
Indianapolis, IN 46207-7165
EDI Customer Support
(electronic billing forms and inquiries)
IL, MN, WI National Government Services, Inc.
Attn: EDI
P.O. Box 6474
Indianapolis, IN 46206-6474
FOIA Inquiries All National Government Services, Inc.
P.O. Box 6131
Indianapolis, IN 46206-6131
Medical Policy
(policy/local coverage determination reconsideration requests)
All National Government Services, Inc.
Medical Policy Unit
Attn: LCD Reconsideration Requests
P.O. Box 7108
Indianapolis, IN 46207-7108
Medical Review
(documents/medical records and responses to ADR letters)
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7108
Indianapolis, IN 46207-7108

Fax: 315-442-4390
Medical Review
(documents/medical records and responses to ADR letters)
IL, MN, WI National Government Services, Inc.
Attn: Medical Review
P.O. Box 6474
Indianapolis, IN 46206-6474

Fax: 315-442-4154
Medicare Secondary Payer/Refunds IL, MN, WI National Government Services, Inc
Attn: MSP Inquiries
P.O. Box 6474
Indianapolis, IN 46206-6474
ORU and Credit Balance Reports CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
Part A ORU/Credit Balance Reports
P.O. Box 7071
Indianapolis, IN 46207-7071

Fax Numbers:
CT, NY: 315-442-4258
ME, MA, RI, RHHI: 315-442-4009
NH, VT: 315-442-4008
ORU and Credit Balance Reports IL, MN, WI National Government Services, Inc
Attn: ORU/Credit Balance
P.O. Box 6474
Indianapolis, IN 46206-6474

Fax: 315-442-4287
Provider Enrollment
(CMS-855 and EFT forms)
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7149
Indianapolis, IN 46207-7149
Provider Enrollment
(CMS-855 and EFT forms)
IL, MN, WI National Government Services, Inc.
P.O. Box 6474
Indianapolis, IN 46206-6474
Provider Outreach and Education (seminar payments and publication orders) CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7149
Indianapolis, IN 46207-7149
Provider Outreach and Education (seminar payments and publication orders) IL, MN, WI National Government Services, Inc.
Attn: Provider Outreach and Education
P.O. Box 6474
Indianapolis, IN 46206-6474
Provider Written General Inquiries CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
Attn: Provider Written General Inquiries
P.O. Box 6189
Indianapolis, IN 46206-6189
Provider Written General Inquiries IL, MN, WI National Government Services, Inc
Attn: Provider Written General Inquiries
P.O. Box 6474
Indianapolis, IN 46206-6474
Redeterminations IL, MN, WI National Government Services, Inc
Attn: Appeals
P.O. Box 6474
Indianapolis, IN 46206-6474


There has been no change to the P.O. Boxes used for remitting payment for Medicare Trust Fund debts. Please refer to addresses found on demand letters and overpayment recovery forms to make payments on debts to the Medicare Trust Fund.

We encourage you to send business mail via the United States Postal Service Office (USPS). The USPS delivers to specific Post Office Boxes allowing for faster receipt, timely processing, and enhanced service to you.

P.O. Box Mailing Addresses

Business Function Mailing Address
Additional Development Requests National Government Services, Inc.
Attn: Medical Review
P.O. Box 6474
Indianapolis, IN 46206-6474
ASCA Waiver Request Forms National Government Services, Inc.
Attn: ASCA
P.O. Box 7022
Indianapolis, IN 46207-7022
Appeals National Government Services, Inc.
Appeals Department
P.O. Box 6474
Indianapolis, IN 46206-6474
Audit and Reimbursement
(cost reports)
National Government Services, Inc.
Attn: Cost Report Unit
P.O. Box 7040
Indianapolis, IN 46207-7040

FEDEX or courier only:
National Government Services, Inc.
Attn: Cost Report Unit
6345 Castleway Court
Indianapolis, IN 46250
Bank Lockbox (JK)
(MSP and non-MSP)
National Government Services, Inc.
P.O. Box 809366
Chicago, IL 60680-9366

U.S. Bank
Attn: Lockbox #809366
5635 South Archer Avenue
Chicago, IL 60638
Bank Lockbox (J6)
(MSP and non-MSP)
National Government Services, Inc.
P.O. Box 809199
Chicago, IL 60680-9199

U.S. Bank
Attn: Lockbox #809199
5635 South Archer Avenue
Chicago, IL 60638
Claims
(UB-04 forms)
National Government Services, Inc.
P.O. Box 6474
Indianapolis, IN 46206-6474
Congressional Correspondence National Government Services, Inc.
P.O. Box 6131
Indianapolis, IN 46206-6131
EDI Customer Support
(electronic billing forms and inquiries)
National Government Services, Inc.
Attn: EDI
P.O. Box 6474
Indianapolis, IN 46206-6474
FOIA Inquiries National Government Services, Inc.
P.O. Box 6131
Indianapolis, IN 46206-6131
Medical Policy
(policy/LCD reconsideration requests)
National Government Services, Inc.
Medical Policy Unit
Attn: LCD Reconsideration Requests
P.O. Box 7108
Indianapolis, IN 46207-7108
Medical Review
(documents/medical records and responses to ADR letters)
National Government Services, Inc.
Attn: Medical Review
P.O. Box 6474
Indianapolis, IN 46206-6474

Fax: 315-442-4154
Medicare Secondary Payer/Refunds National Government Services, Inc
Attn: MSP Inquiries
P.O. Box 6474
Indianapolis, IN 46206-6474
ORU and Credit Balance Reports National Government Services, Inc
Attn: ORU/Credit Balance
P.O. Box 6474
Indianapolis, IN 46206-6474

Fax: 315-442-4287
Provider Enrollment
(CMS-855 and EFT forms)
National Government Services, Inc.
P.O. Box 6474
Indianapolis, IN 46206-6474
Provider Outreach and Education (seminar payments and publication orders) National Government Services, Inc.
Attn: Provider Outreach and Education
P.O. Box 6474
Indianapolis, IN 46206-6474
Provider Written General Inquiries National Government Services, Inc
Attn: Provider Written General Inquiries
P.O. Box 6474
Indianapolis, IN 46206-6474
Redeterminations National Government Services, Inc
Attn: Appeals
P.O. Box 6474
Indianapolis, IN 46206-6474


There has been no change to the P.O. Boxes used for remitting payment for Medicare Trust Fund debts. Please refer to addresses found on demand letters and overpayment recovery forms to make payments on debts to the Medicare Trust Fund.

We encourage you to send business mail via the USPS. The USPS delivers to specific Post Office Boxes allowing for faster receipt, timely processing, and enhanced service to you.

P.O. Box Mailing Addresses

Business Function State Mailing Address
Administration Simplification Compliance Act Waiver Request Forms All states National Government Services, Inc.
Attn: ASCA
P.O. Box 7022
Indianapolis, IN 46250-7022
Appeals AK, AZ, CA, HI, ID, NV, OR, WA, American Samoa, Guam, Northern Mariana Island, MI, MN, NJ, NY, WI, Puerto Rico, Virgin Islands National Government Services, Inc.
Appeals Department
P.O. Box 6474
Indianapolis, IN 46206-6474
Appeals CT, MA, ME, NH, RI, VT National Government Services, Inc.
Appeals Department
P.O. Box 7111
Indianapolis, IN 46207-7111
Audit and Reimbursement
(cost report - HH+H)
CT, IL, MA, ME, MN, NH, RI, VT, AK, AZ, CA, HI, ID, NV, OR, WA, American Samoa, Guam, Northern Mariana Island, MI, MN, NJ, NY, WI, Puerto Rico, Virgin Islands National Government Services, Inc.
Attn: Cost Report Unit
P.O. Box 7040
Indianapolis, IN 46207-7040

FEDEX or courier only:
National Government Services, Inc.
Attn: Cost Report Unit
6345 Castleway Court
Indianapolis, IN 46250
Bank Lockbox
(MSP and non-MSP)
AK, AZ, CA, HI, ID, NV, OR, WA, American Samoa, Guam, Northern Mariana Island National Government Services, Inc.
00454 CA Part A Non-MSP
P.O. Box 809199
Chicago, IL 60680-9311

U.S. Bank
Attn: Lockbox #809199
5635 South Archer Avenue
Chicago, IL 60638
Bank Lockbox
(MSP and non-MSP)
CT, MA, ME, NH, RI, VT National Government Services, Inc.
P.O. Box 809366
Chicago, IL 60680-9366

U.S. Bank
Attn: Lockbox #809366
5635 South Archer Avenue
Chicago, IL 60638
Bank Lockbox
(MSP and non-MSP)
MI, MN, NJ, NY, WI, Puerto Rico, Virgin Islands National Government Services, Inc.
00450 WI Part A Non-MSP
P.O. Box 809199
Chicago, IL 60680-9199

U.S. Bank
Attn: Lockbox #809199
5635 South Archer Avenue
Chicago, IL 60638
Claims
(UB-04 forms)
AK, AZ, CA, HI, ID, MI, MN, NV, OR, WA, WI, American Samoa, Guam, Northern Mariana Islands, Puerto Rico, Virgin Islands National Government Services, Inc.
P.O. Box 7150
Indianapolis, IN 46207-7150
Claims
(UB-04 forms)
CT, MA, ME, NH, RI, VT National Government Services, Inc.
P.O. Box 7091
Indianapolis, IN 46207-7091
Congressional Correspondence All states National Government Services, Inc.
P.O. Box 6131
Indianapolis, IN 46206-6131
Electronic Data Interchange (EDI) Customer Support
(electronic billing forms and inquiries)
AK, AZ, CA, HI, ID, MI, MN, NV, OR, WA, WI, American Samoa, Guam, Northern Mariana Islands, Puerto Rico, Virgin Islands National Government Services, Inc.
P.O. Box 7149
Indianapolis, IN 46207-7149
EDI Customer Support
(electronic billing forms and inquiries)
CT, MA, ME, NH, RI, VT National Government Services, Inc.
P.O. Box 7111
Indianapolis, IN 46207-7111
Freedom of Information Act (FOIA) Inquiries All states National Government Services, Inc.
P.O. Box 6131
Indianapolis, IN 46206-6131
Medical Review
(documents/medical records and responses to ADR letters)
CA, MI, WI, AK, AZ, HI, ID, MN, NV, OR, WA, American Samoa, Guam, Northern Mariana Islands, Puerto Rico, Virgin Islands, New Jersey, New York National Government Services, Inc.
P.O. Box 6474
Indianapolis, IN 46206-6474

Fax: 315-442-4154
Medical Review
(documents/medical records and responses to ADR letters)
CT, MA, ME, NH, RI, VT National Government Services, Inc.
P.O. Box 7108
Indianapolis, IN 46207-7108

Fax: 315-442-4390
Medical Review
(documents/medical records and responses to ADR letters)
New York TPL National Government Services, Inc.
P.O. Box 7149
Indianapolis, IN 46207-7149

Fax: 414-459-2936
Medical Policy
(policy/local coverage determination reconsideration requests)
All states National Government Services, Inc.
Medical Policy Unit
Attention: LCD Reconsideration Requests
P.O. Box 7108
Indianapolis, IN 46207-7108
MSP Inquiries/ORU Requests
(other than those sent to MSP regional carrier)
All states National Government Services, Inc.
P.O. Box 7149
Indianapolis, IN 46207-7149
ORU and Credit Balance Reports All states National Government Services, Inc. Part A ORU/Credit Balance Reports
P.O. Box 7071
Indianapolis, IN 46207-7071

Fax: 315-442-4287
Provider Enrollment
(CMS-855 and EFT forms)
AK, AZ, CA, HI, ID, MI, MN, NJ, NV, NY, OR, WA, WI, American Samoa, Guam, Northern Mariana Islands, Puerto Rico, Virgin Islands National Government Services, Inc.
P.O. Box 6474
Indianapolis, Indiana 46206-6474
Provider Outreach and Education
(seminar payments and publication orders)
All states National Government Services, Inc.
P.O. Box 7149
Indianapolis, IN 46207-7149
Provider Written General Inquiries CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
Attn: Provider Written General Inquiries
P.O. Box 6189
Indianapolis, IN 46206-6189
Provider Written General Inquiries AK, AZ, CA, HI, ID, MI, MN, NV, OR, WA, WI, American Samoa, Guam, Northern Mariana Islands, Puerto Rico, Virgin Islands National Government Services, Inc.
Attn: Provider Written General Inquiries
P.O. Box 6474
Indianapolis, IN 46206-6474

There has been no change to the P.O. Boxes used for remitting payment for Medicare Trust Fund debts. Please refer to addresses found on demand letters and overpayment recovery forms to make payments on debts to the Medicare Trust Fund.

P.O. Box Mailing Addresses

Business Function Mailing Address
Additional Development Requests National Government Services, Inc.
Attn: Medical Review
P.O. Box 6474
Indianapolis, IN 46206-6474
ASCA Waiver Request Forms National Government Services, Inc.
Attn: ASCA
P.O. Box 7022
Indianapolis, IN 46207-7022
Appeals National Government Services, Inc.
Appeals Department
P.O. Box 6474
Indianapolis, IN 46206-6474
Audit and Reimbursement
(cost reports)
National Government Services, Inc.
Attn: Cost Report Unit
P.O. Box 7040
Indianapolis, IN 46207-7040

FEDEX or courier only:
National Government Services, Inc.
Attn: Cost Report Unit
6345 Castleway Court
Indianapolis, IN 46250
Bank Lockbox (JK)
(MSP and non-MSP)
National Government Services, Inc.
P.O. Box 809366
Chicago, IL 60680-9366

U.S. Bank
Attn: Lockbox #809366
5635 South Archer Avenue
Chicago, IL 60638
Bank Lockbox (J6)
(MSP and non-MSP)
National Government Services, Inc.
P.O. Box 809199
Chicago, IL 60680-9199

U.S. Bank
Attn: Lockbox #809199
5635 South Archer Avenue
Chicago, IL 60638
Claims
(UB-04 forms)
National Government Services, Inc.
P.O. Box 6474
Indianapolis, IN 46206-6474
Congressional Correspondence National Government Services, Inc.
P.O. Box 6131
Indianapolis, IN 46206-6131
EDI Customer Support
(electronic billing forms and inquiries)
National Government Services, Inc.
Attn: EDI
P.O. Box 6474
Indianapolis, IN 46206-6474
FOIA Inquiries National Government Services, Inc.
P.O. Box 6131
Indianapolis, IN 46206-6131
Medical Policy
(policy/LCD reconsideration requests)
National Government Services, Inc.
Medical Policy Unit
Attn: LCD Reconsideration Requests
P.O. Box 7108
Indianapolis, IN 46207-7108
Medical Review
(documents/medical records and responses to ADR letters)
National Government Services, Inc.
Attn: Medical Review
P.O. Box 6474
Indianapolis, IN 46206-6474

Fax: 315-442-4154
Medicare Secondary Payer/Refunds National Government Services, Inc
Attn: MSP Inquiries
P.O. Box 6474
Indianapolis, IN 46206-6474
ORU and Credit Balance Reports National Government Services, Inc
Attn: ORU/Credit Balance
P.O. Box 6474
Indianapolis, IN 46206-6474

Fax: 315-442-4287
Provider Enrollment
(CMS-855 and EFT forms)
National Government Services, Inc.
P.O. Box 6474
Indianapolis, IN 46206-6474
Provider Outreach and Education (seminar payments and publication orders) National Government Services, Inc.
Attn: Provider Outreach and Education
P.O. Box 6474
Indianapolis, IN 46206-6474
Provider Written General Inquiries National Government Services, Inc
Attn: Provider Written General Inquiries
P.O. Box 6474
Indianapolis, IN 46206-6474
Redeterminations National Government Services, Inc
Attn: Appeals
P.O. Box 6474
Indianapolis, IN 46206-6474


There has been no change to the P.O. Boxes used for remitting payment for Medicare Trust Fund debts. Please refer to addresses found on demand letters and overpayment recovery forms to make payments on debts to the Medicare Trust Fund.

We encourage you to send business mail via the USPS. The USPS delivers to specific Post Office Boxes allowing for faster receipt, timely processing, and enhanced service to you.

P.O. Box Mailing Addresses

Business Function State Mailing Address
Additional Documentation Requests CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7108
Indianapolis, IN 46207-7108
Additional Documentation Requests IL, MN, WI National Government Services, Inc.
Attn: Medical Review
P.O. Box 6474
Indianapolis, IN 46206-6474
ASCA Waiver Request Forms All National Government Services, Inc.
Attn: ASCA
P.O. Box 7022
Indianapolis, IN 46207-7022
Appeals CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
Appeals Department
P.O. Box 7111
Indianapolis, IN 46207-7111
Appeals IL, MN, WI National Government Services, Inc.
Appeals Department
P.O. Box 6474
Indianapolis, IN 46206-6474
Audit and Reimbursement
(cost reports)
CT, IL, MA, ME, MN, NH, NY, RI, VT, WI National Government Services, Inc.
Attn: Cost Report Unit
P.O. Box 7040
Indianapolis, IN 46207-7040

FEDEX or courier only:
National Government Services, Inc.
Attn: Cost Report Unit
6345 Castleway Court
Indianapolis, IN 46250
Bank Lockbox
(MSP and non-MSP)
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 809366
Chicago, IL 60680-9366

U.S. Bank
Attn: Lockbox #809366
5635 South Archer Avenue
Chicago, IL 60638
Bank Lockbox
(MSP and non-MSP)
IL, MN, WI National Government Services, Inc.
P.O. Box 809199
Chicago, IL 60680-9199

U.S. Bank
Attn: Lockbox #809199
5635 South Archer Avenue
Chicago, IL 60638
Claims
(UB-04 forms)
IL, MN, WI National Government Services, Inc.
P.O. Box 6474
Indianapolis, IN 46206-6474
Claims
(UB-04 forms)
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7091
Indianapolis, IN 46207-7091
Congressional Correspondence All National Government Services, Inc.
P.O. Box 6131
Indianapolis, IN 46206-6131
EDI Customer Support
(electronic billing forms and inquiries)
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7111
Indianapolis, IN 46207-7165
EDI Customer Support
(electronic billing forms and inquiries)
IL, MN, WI National Government Services, Inc.
Attn: EDI
P.O. Box 6474
Indianapolis, IN 46206-6474
FOIA Inquiries All National Government Services, Inc.
P.O. Box 6131
Indianapolis, IN 46206-6131
Medical Policy
(policy/local coverage determination reconsideration requests)
All National Government Services, Inc.
Medical Policy Unit
Attn: LCD Reconsideration Requests
P.O. Box 7108
Indianapolis, IN 46207-7108
Medical Review
(documents/medical records and responses to ADR letters)
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7108
Indianapolis, IN 46207-7108

Fax: 315-442-4390
Medical Review
(documents/medical records and responses to ADR letters)
IL, MN, WI National Government Services, Inc.
Attn: Medical Review
P.O. Box 6474
Indianapolis, IN 46206-6474

Fax: 315-442-4154
Medicare Secondary Payer/Refunds IL, MN, WI National Government Services, Inc
Attn: MSP Inquiries
P.O. Box 6474
Indianapolis, IN 46206-6474
ORU and Credit Balance Reports CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
Part A ORU/Credit Balance Reports
P.O. Box 7071
Indianapolis, IN 46207-7071

Fax Numbers:
CT, NY: 315-442-4258
ME, MA, RI, RHHI: 315-442-4009
NH, VT: 315-442-4008
ORU and Credit Balance Reports IL, MN, WI National Government Services, Inc
Attn: ORU/Credit Balance
P.O. Box 6474
Indianapolis, IN 46206-6474

Fax: 315-442-4287
Provider Enrollment
(CMS-855 and EFT forms)
CT, MA, ME, NH, RI, VT National Government Services, Inc.
P.O. Box 7149
Indianapolis, IN 46207-7149
Provider Outreach and Education (seminar payments and publication orders) CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7149
Indianapolis, IN 46207-7149
Provider Outreach and Education (seminar payments and publication orders) IL, MN, WI National Government Services, Inc.
Attn: Provider Outreach and Education
P.O. Box 6474
Indianapolis, IN 46206-6474
Provider Written General Inquiries CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
Attn: Provider Written General Inquiries
P.O. Box 6189
Indianapolis, IN 46206-6189
Provider Written General Inquiries IL, MN, WI National Government Services, Inc
Attn: Provider Written General Inquiries
P.O. Box 6474
Indianapolis, IN 46206-6474
Redeterminations IL, MN, WI National Government Services, Inc
Attn: Appeals
P.O. Box 6474
Indianapolis, IN 46206-6474


There has been no change to the P.O. Boxes used for remitting payment for Medicare Trust Fund debts. Please refer to addresses found on demand letters and overpayment recovery forms to make payments on debts to the Medicare Trust Fund.

P.O. Box Mailing Addresses

Please note the following county assignments for downstate and upstate New York.

Downstate: Bronx, Columbia, Delaware, Dutchess, Greene, Kings, Nassau, New York, Orange, Putnam, Queens County, Richmond, Rockland, Suffolk, Sullivan, Ulster, West Chester

Upstate: Albany, Allegany, Broome, Cattaraugus, Cayuga, Chautauqua, Chemung, Chenango, Clinton, Cortland, Erie, Essex, Franklin, Fulton, Genesee, Hamilton, Herkimer, Jefferson, Lewis, Livingston, Madison, Monroe, Montgomery, Niagara, Oneida, Onondaga, Ontario, Orleans, Oswego, Otsego, Rensselaer, Saratoga, Schenectady, Schoharie, Schuyler, Seneca, Steuben, St. Lawrence, Tioga, Tompkins, Warren, Washington, Wayne, Wyoming, Yates

Business Function State Mailing Address
Additional Documentation Requests CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7108
Indianapolis, IN 46207-7108
Additional Documentation Requests IL, MN, WI National Government Services, Inc.
Attn: Medical Review
P.O. Box 6475
Indianapolis, IN 46206-6475
ASCA Waiver Request Forms All states National Government Services, Inc.
Attn: ASCA
P.O. Box 7022
Indianapolis, IN 46207-7022
Appeals
(redeterminations and written reopenings)
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7111
Indianapolis, IN 46207-7111
Appeals
(redeterminations and written reopenings)
IL, MN, WI National Government Services, Inc.
Attn: Appeals
P.O. Box 6475
Indianapolis, IN 46206-6475
Bank Lockbox
(personal checks/MSP involvement and non-MSP)

While we do not recommend sending refund checks overnight, if choosing an overnight mail service, (i.e., FedEx Express, UPS, or USPS), we ask that you use the following alternate mailing address:

US Bank
5300 S. Cicero
Chicago, IL 60638
Attention: JK 809645
CT, NY, MA, ME, NH, RI, VT National Government Services, Inc.
P.O. Box 809645
Chicago, IL 60680-9645
Bank Lockbox
(personal checks/MSP involvement and non-MSP)

While we do not recommend sending refund checks overnight, if choosing an overnight mail service, (i.e., FedEx Express, United Parcel Service [UPS], or United States Postal Service [USPS]), we ask that you use the following alternate mailing address:

US Bank
5300 S. Cicero
Chicago, IL 60638
Attention: J6 809194
IL, MN, WI National Government Services, Inc.
NGS 06002 IL MN WI Part B
P.O. Box 809194
Chicago, IL 60680-9194
Beneficiary Submitted Part B Claims
(CMS-1490S forms)
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 6178
Indianapolis, IN 46206-6178
Beneficiary Submitted Part B Claims
(CMS-1490S forms)
IL, MN, WI National Government Services, Inc.
P.O. Box 6475
Indianapolis, IN 46206-6475
Claims
(CMS-1500 forms)
CT National Government Services, Inc.
P.O. Box 6185
Indianapolis, IN 46206-6185
Claims
(CMS-1500 forms)
MA, ME, NH, NY (downstate counties), RI, VT National Government Services, Inc.
P.O. Box 6178
Indianapolis, IN 46206-6178
Claims
(CMS-1500 forms)
NY (Queens county) National Government Services, Inc.
P.O. Box 6239
Indianapolis, IN 46206-6239
Claims
(CMS-1500 forms)
NY (upstate counties) National Government Services, Inc.
P.O. Box 6189
Indianapolis, IN 46206-6189
Claims
(CMS-1500 forms)
IL, MN, WI National Government Services, Inc.
Attn: Claims
P.O. Box 6475
Indianapolis, IN 46206-6475
Congressional Correspondence All states National Government Services, Inc.
P.O. Box 6131
Indianapolis, IN 46206-6131
EDI Customer Support
(electronic billing forms and inquiries)
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7111
Indianapolis, IN 46207-7165
EDI Customer Support
(electronic billing forms and inquiries)
IL, WI, MN National Government Services, Inc.
Attn: EDI
P.O. Box 6475
Indianapolis, IN 46206-6475
FOIA Inquiries All states National Government Services, Inc.
P.O. Box 6131
Indianapolis, IN 46206-6131
Health Professional Shortage Area Correspondence
(with the exception of HPSA appeals)
All states National Government Services, Inc.
P.O. Box 7071
Indianapolis, IN 46207-7071
Medical Policy
(local coverage determination reconsideration requests)
All states National Government Services, Inc.
Medical Policy Unit
Attn: LCD Reconsideration Requests
P.O. Box 7108
Indianapolis, IN 46207-7108
Medical Review
(documents/medical records and responses to additional development request [ADR] letters)
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7108
Indianapolis, IN 46207-7108

Fax: 717-565-3783
Medical Review
(documents/medical records and responses to ADR letters)
IL, MN, WI National Government Services, Inc.Attn: Medical Review
P.O. Box 6475
Indianapolis, IN 46206-6475

Fax: 317-595-4364
ORU
(returned Medicare issued checks)
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 6178
Indianapolis, IN 46206-6178
ORU
(returned Medicare issued checks)
IL, MN, WI National Government Services, Inc.
Attn: ORU/Credit Balance
P.O. Box 6475
Indianapolis, IN 46206-6475
Provider Enrollment
(new EFT [CMS-588] or [CMS-855])
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7149
Indianapolis, IN 46207-7149
Provider Enrollment
(new EFT [CMS-588] or [CMS-855])
IL, MN, WI National Government Services, Inc.
P.O. Box 6475
Indianapolis, IN 46206-6475
Provider Outreach and Education
(seminar payments and publication orders)
CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 7149
Indianapolis, IN 46207-7149
Provider Written General Inquiries CT, MA, ME, NH, NY, RI, VT National Government Services, Inc.
P.O. Box 6189
Indianapolis, IN 46206-6189
Provider Written General Inquiries IL, MN, WI National Government Services, Inc.
Attn: Written Inquiries
P.O. Box 6475
Indianapolis, IN 46206-6475
Redeterminations IL, MN, WI National Government Services, Inc.
Attn: Appeals
P.O. Box 6475
Indianapolis, IN 46206-6475


* There has been no change to the P.O. boxes used for remitting payment for Medicare Trust Fund debts. Please refer to addresses found on demand letters and overpayment recovery forms to make payments on debts to the Medicare Trust Fund.

We encourage you to send business mail via the USPS. The USPS delivers to specific post office boxes allowing for faster receipt, timely processing and enhanced service to you.