DialClerk Directory

Medicare and Medicaid

National Government Services (MAC J6/JK)

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

5 contact routesNo directory research calls placed

portal

NGS / Wellpoint Federal Medicare J6/JK Part A and Part B contact directory

Official page read
Phone

No phone listed for this route

Published hours

Not published in this record

Product, plan and location

other
Illinois · Minnesota · Wisconsin · Connecticut · Maine · Massachusetts · New Hampshire · New York · Rhode Island · Vermont

Mailing address

Not researched for this route

Use the separate published Part A or Part B contact for the provider’s jurisdiction. The former COVID-era hotline has not been established as a current general PCC number and is withheld from this route. The official NGS site redirects to Wellpoint Federal. These are Original Medicare contractor contacts, not Medicare Advantage plan lines.

View source ↗ · Source checked 2026-10-22 · Current contractor Contact Us index links the Provider Contact Center directory ↗

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provider services

Medicare J6 Part A Provider Contact Center — live representative

Official page read
Phone877-702-0990Published hours

Monday–Friday, 8 a.m.–4 p.m. CT; closed 11 a.m.–3 p.m. CT on the second and fourth Friday.

Product, plan and location

other
Illinois · Minnesota · Wisconsin

Mailing address

Not researched for this route

Original Medicare J6 Part A coverage/billing explanations and complex provider inquiries. Have NPI, PTAN and the last five TIN digits ready. The center directs claim status and beneficiary eligibility available through IVR/portal back to self-service; representatives do not preauthorize services or answer beneficiary inquiries. The published rule effective May 1, 2025 permits one PTAN/NPI combination per call. No Medicare Advantage scope is implied.

View source ↗ · Source checked 2026-10-22 · Source published 2026-04-13 · CMS names National Government Services and the exact J6 and JK state groups ↗

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

provider services

Medicare JK Part A Provider Contact Center — live representative

Official page read
Phone888-855-4356Published hours

Monday–Friday, 8 a.m.–4 p.m. ET; closed noon–4 p.m. ET on the second and fourth Friday.

Product, plan and location

other
Connecticut · Maine · Massachusetts · New Hampshire · New York · Rhode Island · Vermont

Mailing address

Not researched for this route

Original Medicare JK Part A coverage/billing explanations and complex provider inquiries. Have NPI, PTAN and the last five TIN digits ready. The center directs claim status and beneficiary eligibility available through IVR/portal back to self-service; representatives do not preauthorize services or answer beneficiary inquiries. The published rule effective May 1, 2025 permits one PTAN/NPI combination per call. No Medicare Advantage scope is implied.

View source ↗ · Source checked 2026-10-22 · Source published 2026-04-13 · CMS names National Government Services and the exact J6 and JK state groups ↗

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

provider services

Medicare J6 Part B Provider Contact Center — live representative

Official page read
Phone866-234-7340Published hours

Monday–Friday, 8 a.m.–4 p.m. CT; closed 11 a.m.–3 p.m. CT on the second and fourth Friday.

Product, plan and location

other
Illinois · Minnesota · Wisconsin

Mailing address

Not researched for this route

Original Medicare J6 Part B coverage/billing explanations and complex provider inquiries. Have NPI, PTAN and the last five TIN digits ready. The center directs claim status and beneficiary eligibility available through IVR/portal back to self-service; representatives do not preauthorize services or answer beneficiary inquiries. The published rule effective May 1, 2025 permits one PTAN/NPI combination per call. No Medicare Advantage scope is implied.

View source ↗ · Source checked 2026-10-22 · Source published 2026-04-10 · CMS names National Government Services and the exact J6 and JK state groups ↗

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

provider services

Medicare JK Part B Provider Contact Center — live representative

Official page read
Phone866-837-0241Published hours

Monday–Friday, 8 a.m.–4 p.m. ET; closed noon–4 p.m. ET on the second and fourth Friday.

Product, plan and location

other
Connecticut · Maine · Massachusetts · New Hampshire · New York · Rhode Island · Vermont

Mailing address

Not researched for this route

Original Medicare JK Part B coverage/billing explanations and complex provider inquiries. Have NPI, PTAN and the last five TIN digits ready. The center directs claim status and beneficiary eligibility available through IVR/portal back to self-service; representatives do not preauthorize services or answer beneficiary inquiries. The published rule effective May 1, 2025 permits one PTAN/NPI combination per call. No Medicare Advantage scope is implied.

View source ↗ · Source checked 2026-10-22 · Source published 2026-04-10 · CMS names National Government Services and the exact J6 and JK state groups ↗

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

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