Medicare and Medicaid

Palmetto GBA Railroad Medicare (RRB Medicare Part B)

Phone, published email, fax, addresses and the next step for your office.

11 contact routesNo directory research calls placed

provider services

Provider Contact Center (Railroad Medicare)

Official page read

Phone888-355-9165

Railroad Medicare Part B provider customer service.

Published hours

Monday-Friday, 8:30 a.m.-4:30 p.m. in all time zones except Pacific: 8 a.m.-4 p.m. Pacific.

Product, plan and location

medicare
National contact — confirm product and location

Mailing address

Palmetto GBA Railroad Medicare, Attn: General Inquiries, P.O. Box 10066, Augusta, GA 30999-0001

General written provider inquiries.

Physical address

Palmetto GBA Railroad Medicare, Attn: General Inquiries, 2743 Perimeter Parkway, Bldg. 200, Augusta, GA 30909

Private courier correspondence, not a patient-service location.

Menu guidance in the source record

Press 5 for Customer Service, then 0 for an advocate. Other main-menu choices: 1 claim status/remittance information; 2 EDI/eServices; 3 enrollment; 4 reopening; 6 mailing address/hours; 9 repeat.

Menus can change. No live call verification is claimed.

Published calling advice

The October 2026 guide identifies noon-3 p.m. Eastern as its peak calling period.

Applies to Railroad Medicare provider customer-service line. This is the insurer’s dated guidance, not measured caller-report statistics or a guaranteed wait.

Published provider guidance; no measured wait time or guarantee is asserted.

Read the calling guidance ↗ · Published 2026-10-05 · Checked 2026-10-22

TTY relay 711, effective June 1, 2026. Claim status and duplicate remittances use the separate IVR or eServices; beneficiary eligibility uses eServices. October 2026 guide, printed pages 34 and 47-48 (PDF pages 37 and 50-51). The online contact form is for general inquiries without PHI.

View source ↗ · Source checked 2026-10-22 · Source published 2026-10-05 · Source revision October 2026 · Current guide index dated October 5, 2026 ↗ · Provider contact form ↗

Report an update

Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

member services

Railroad Medicare Beneficiary Contact Center

Official page read

Phone800-833-4455

Beneficiary assistance; Spanish inquiries use the same number.

Published hours

Monday-Friday, 8:30 a.m.-7 p.m. Eastern.

Product, plan and location

medicare
National contact — confirm product and location

Mailing address

Not researched for this route

TTY: dial 711 and ask the operator to dial 800-833-4455. Current beneficiary contact page and MyRRMed help agree; older TTY numbers are not carried forward.

View source ↗ · Source checked 2026-10-22 · Current beneficiary contact page ↗

Report an update

Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

edi clearinghouse support

Railroad Medicare — EDI and eServices technical support

Official page read

Phone888-355-9165

EDI and eServices technical support through the shared provider menu.

Published hours

Monday-Friday, 8:30 a.m.-4:30 p.m. in all time zones except Pacific: 8 a.m.-4 p.m. Pacific.

Product, plan and location

medicare
National contact — confirm product and location

Mailing address

Not researched for this route

Menu guidance in the source record

Select main-menu option 2.

Menus can change. No live call verification is claimed.

October 2026 guide phone directory, printed page 47 (PDF page 50).

View source ↗ · Source checked 2026-10-22 · Source published 2026-10-05 · Source revision October 2026

Report an update

Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

provider enrollment credentialing

Railroad Medicare — Provider enrollment support

Official page read

Phone888-355-9165

Provider enrollment support through the shared provider menu.

Published hours

Monday-Friday, 8:30 a.m.-4:30 p.m. in all time zones except Pacific: 8 a.m.-4 p.m. Pacific.

Product, plan and location

medicare
National contact — confirm product and location

Mailing address

Not researched for this route

Menu guidance in the source record

Select main-menu option 3.

Menus can change. No live call verification is claimed.

October 2026 guide phone directory, printed page 47 (PDF page 50).

View source ↗ · Source checked 2026-10-22 · Source published 2026-10-05 · Source revision October 2026

Report an update

Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

claims

Railroad Medicare — Telephone reopenings

Official page read

Phone888-355-9165

Telephone reopenings through the shared provider menu.

Published hours

Monday-Friday, 8:30 a.m.-4:30 p.m. in all time zones except Pacific: 8 a.m.-4 p.m. Pacific.

Product, plan and location

medicare
National contact — confirm product and location

Mailing address

Not researched for this route

Menu guidance in the source record

Select main-menu option 4.

Menus can change. No live call verification is claimed.

October 2026 guide phone directory, printed page 47 (PDF page 50).

View source ↗ · Source checked 2026-10-22 · Source published 2026-10-05 · Source revision October 2026

Report an update

Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

claims

Railroad Medicare provider automated IVR

Official page read

Phone877-288-7600

Automated provider claim status and duplicate remittance advice.

Published hours

General IVR information: 7 a.m.-11 p.m. Eastern; claim status: Monday-Friday, 7 a.m.-11 p.m. Eastern.

Product, plan and location

medicare
National contact — confirm product and location

Mailing address

Not researched for this route

Beneficiary eligibility is not available through the IVR; use eServices. These are automated-service hours, not the staffed contact-center schedule.

View source ↗ · Source checked 2026-10-22 · Source published 2026-10-05 · Source revision October 2026

Report an update

Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

fax claims

Railroad Medicare — Medicare Secondary Payer documentation

Official page read

Phone

No phone listed for this route

Fax

803-382-2414

Medicare Secondary Payer documentation only.

Published hours

Not published in this record

Product, plan and location

medicare
National contact — confirm product and location

Mailing address

Palmetto GBA Railroad Medicare, Attn: Medicare Secondary Payer, P.O. Box 10066, Augusta, GA 30999-0001

Medicare Secondary Payer documentation by mail.

Physical address

Palmetto GBA Railroad Medicare, Attn: Medicare Secondary Payer, 2743 Perimeter Parkway, Bldg. 200, Augusta, GA 30909

Courier/document delivery address.

Use the named department and its current document instructions.

View source ↗ · Source checked 2026-10-22 · Source published 2026-06-02

Report an update

fax other

Railroad Medicare — Medical Review documentation

Official page read

Phone

No phone listed for this route

Fax

803-264-8832

Medical Review documentation only.

Published hours

Not published in this record

Product, plan and location

medicare
National contact — confirm product and location

Mailing address

Palmetto GBA Railroad Medicare, Attn: Medical Review, P.O. Box 10066, Augusta, GA 30999-0001

Medical Review documentation by mail.

Physical address

Palmetto GBA Railroad Medicare, Attn: Medical Review, 2743 Perimeter Parkway, Bldg. 200, Augusta, GA 30909

Courier/document delivery address.

Use the named department and its current document instructions.

View source ↗ · Source checked 2026-10-22 · Source published 2026-06-02

Report an update

fax claims

Railroad Medicare — EDI claims supporting documentation

Official page read

Phone

No phone listed for this route

Fax

803-264-9842

EDI claims supporting documentation only.

Published hours

Not published in this record

Product, plan and location

medicare
National contact — confirm product and location

Mailing address

Palmetto GBA Railroad Medicare, Attn: Claims, P.O. Box 10066, Augusta, GA 30999-0001

EDI claims supporting documentation by mail.

Physical address

Palmetto GBA Railroad Medicare, Attn: Claims, 2743 Perimeter Parkway, Bldg. 200, Augusta, GA 30909

Courier/document delivery address.

The claims page explicitly says CMS-1500 claim forms are not accepted by fax.

View source ↗ · Source checked 2026-10-22 · Source published 2026-06-01

Report an update

fax claims

Railroad Medicare — ADS 532 invoice and 733 opt-out letters

Official page read

Phone

No phone listed for this route

Fax

803-264-0697

ADS 532 invoice and 733 opt-out letters only.

Published hours

Not published in this record

Product, plan and location

medicare
National contact — confirm product and location

Mailing address

Palmetto GBA Railroad Medicare, Attn: Claims, P.O. Box 10066, Augusta, GA 30999-0001

ADS 532 invoice and 733 opt-out letters by mail.

Physical address

Palmetto GBA Railroad Medicare, Attn: Claims, 2743 Perimeter Parkway, Bldg. 200, Augusta, GA 30909

Courier/document delivery address.

The claims page explicitly says CMS-1500 claim forms are not accepted by fax.

View source ↗ · Source checked 2026-10-22 · Source published 2026-06-01

Report an update

fax prior auth

Railroad Medicare — RSNAT ambulance prior authorization

Official page read

Phone

No phone listed for this route

Fax

803-462-2632

Ambulance prior authorization requests.

Published hours

Not published in this record

Product, plan and location

medicare
National contact — confirm product and location

Mailing address

Palmetto GBA RRB RSNAT, PO Box 17089, Augusta, GA 30903-0001

Ambulance prior authorization requests by U.S. mail.

This is a separate destination from general Medical Review documentation.

View source ↗ · Source checked 2026-10-22 · Source published 2026-06-02

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Palmetto GBA Railroad Medicare (RRB Medicare Part B)

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