Medicare and Medicaid

MassHealth

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

8 contact routesNo directory research calls placed

provider services

MassHealth Customer Service Center for providers

Official page read
Phone800-841-2900

MassHealth provider customer service

TTY phone711

TTY/TDD relay published with provider customer service

Published email

provider@masshealthquestions.com

Non-dental and non-LTSS MassHealth provider customer-service questions

Published hours

Monday–Friday 8 a.m.–5 p.m.

Product, plan and location

medicaid
Massachusetts

Mailing address

Not researched for this route

MassHealth provider customer service for non-dental and non-LTSS providers. Dental and LTSS have separate program routes. The displayed contact block does not specify a time zone, fax or correspondence address. General member and clinical-document intake purposes are not assigned to this provider mailbox.

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

dental

MassHealth Dental — provider services (DentaQuest)

Official page read
Phone866-616-2699

MassHealth Dental provider services

Published email

masshealthproviderengagement@dentaquest.com

MassHealth Dental provider engagement

Published hours

Monday–Friday 8 a.m.–6 p.m. EST (as published)

Product, plan and location

medicaid
Massachusetts

Mailing address
MassHealth P.O. Box 2906 Milwaukee, WI 53201-2906

Published MassHealth Dental program mailing address; confirm the required channel and documentation for the particular transaction.

Current MassHealth Dental provider-service route administered by DentaQuest from February 1, 2026. The program transition notice supersedes older general pages and legacy manuals showing 800-207-5019 or BeneCare routes. This mailbox is provider engagement; credentialing, EDI setup and temporary legacy-claim-void support have separate purposes. No provider fax is published here.

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

prior authorization

LTSS provider prior authorization

Official page read
Phone800-862-8341

MassHealth LTSS provider prior-authorization questions

Published email

support@masshealthltss.com

Shared LTSS Provider Service Center support; not established here as a clinical-document submission mailbox

Published hours

Monday–Friday 8 a.m.–6 p.m. Eastern, excluding holidays

Product, plan and location

medicaid
Massachusetts

Mailing address

Not researched for this route

Dedicated LTSS provider prior-authorization telephone line. The email belongs to the shared LTSS Provider Service Center. Its general fax and postal address are listed on the separate LTSS general-support route; they are not asserted here as destinations for every clinical PA submission. Use the LTSS portal and applicable program instructions for submission requirements.

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

provider services

MassHealth LTSS — general provider support and PA-process questions

Official page read
Phone844-368-5184

General LTSS provider services and questions about PA-process changes

Fax

888-832-3006

LTSS Provider Service Center fax for administrative support and PA-process questions; not a universal clinical PA-submission destination

Published email

support@masshealthltss.com

LTSS Provider Service Center administrative support and PA-process questions

Published hours

Monday–Friday 8 a.m.–6 p.m. Eastern, excluding holidays

Product, plan and location

medicaid
Massachusetts

Mailing address
MassHealth LTSS PO Box 159108 Boston, MA 02215

LTSS Provider Service Center correspondence and questions about PA-process changes; follow program-specific submission instructions.

The current PA-process resource page publishes these general LTSS support channels. The dedicated LTSS prior-authorization telephone line is 800-862-8341. Do not substitute this general-service fax or mailbox for specific clinical-submission instructions.

View source ↗ · Source checked 2026-10-22 · Source published 2025-11-20 · Source updated 2026-03-30 · MassHealth Provider Online Service Center registration and contacts ↗

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

member services

MassHealth Dental — member customer service (DentaQuest)

Official page read
Phone866-616-2699

MassHealth Dental member customer service

TTY phone711

MassHealth Dental member TTY relay

Published hours

Monday–Friday 8 a.m.–6 p.m. EST (as published)

Product, plan and location

medicaid
Massachusetts

Mailing address

Not researched for this route

The current program contact page lists this number under Patients. The patient email route is a web form, not a published mailbox; provider engagement and credentialing mailboxes are not assigned to members.

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

provider enrollment credentialing

MassHealth Dental — enrollment and credentialing

Official page read
Phone866-616-2699

MassHealth Dental credentialing questions via the shared provider-service phone

Published email

MassHealthEnrollment&Credentialing@dentaquest.com

MassHealth Dental enrollment and credentialing department

Published hours

Monday–Friday 8 a.m.–6 p.m. EST (as published)

Product, plan and location

medicaid
Massachusetts

Mailing address

Not researched for this route

The current contact page publishes a distinct credentialing mailbox. It is not the provider-engagement mailbox or a general dental claims intake address.

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

edi clearinghouse support

MassHealth Dental — ERA and direct EDI trading-partner setup

Official page read
Phone

No phone listed for this route

Published email

EDI@greatdentalplans.com

DentaQuest ERA setup for eligible new MassHealth providers and direct EDI/trading-partner agreements

Published hours

Not published in this record

Product, plan and location

medicaid
Massachusetts

Mailing address

Not researched for this route

The transition guidance directs providers newly participating since April 2025 who need ERA setup, or providers needing a direct EDI/trading-partner agreement, to this mailbox. No dedicated phone, fax or service hours are assigned in this section; general claims support is separate.

View source ↗ · Source checked 2026-10-22 · Source published 2025-10-01 · Source updated 2026-08-17

Report an update

claims

MassHealth Dental — temporary legacy BeneCare claim-void portal support (through December 12, 2026)

Official page read
Phone

No phone listed for this route

Published email

DentalProject2026@umassmed.edu

Temporary UMass Chan portal preregistration and questions about voiding legacy BeneCare claims; no member or claim details by email

Published hours

Not published in this record

Product, plan and location

medicaid
Massachusetts

Mailing address

Not researched for this route

Temporary process for registered providers and authorized billing agents addressing BeneCare claims with dates of service through January 31, 2026. The state page says the portal is available through December 12, 2026. Use the secure portal for claim data; member/claim details sent to this email are not accepted. DentaQuest does not receive these legacy void requests. Revalidate this temporary route after the published end date.

View source ↗ · Source checked 2026-10-22 · Source published 2025-10-01 · Source updated 2026-08-17

Report an update

Help the next office

How did your call go?

Share a structured call experience or flag a contact correction. Submissions are reviewed before publication. Patient details, recordings and documents do not belong here.

Share a call experience

Share a call experience

Suggest a contact correction

Suggest a correction

For healthcare offices

Found the contact. Still need to make the call?

Explore how DialClerk organizes the brief, hold time and staff handoff for your next administrative call.

For the people making the calls

Put payer follow-up
on your office’s worklist.

Explore DialClerk for queued calls, hold handling, staff handoffs and a record of the next step. Tell us how your team works.

A request does not create an account or start a call. Use business contact information only. No patient information.

See how it could work for your practice