Medicare and Medicaid

Mississippi Division of Medicaid (Gainwell)

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

3 contact routesNo directory research calls placed

provider services

Gainwell Provider Services (Mississippi Medicaid)

Official page read
Phone800-884-3222

Gainwell Provider & Member Services phone, used here for provider inquiries; the phone is shared with member services.

Fax

866-644-6148

Provider fax as designated by the MESA contact directory; not the separately listed pharmacy prior-authorization fax.

Published email

ms_provider.inquiry@mygainwell.onmicrosoft.com

Provider inquiries; separate EDI, member and financial mailboxes are listed for those purposes.

Published hours

8am–5pm; the MESA provider homepage does not state days or time zone for this call-center schedule

Product, plan and location

medicaid
Mississippi

Mailing address
Gainwell Technologies 6360 I-55 N, Suite 201 Jackson, MS 39211

General Gainwell mailing listing in MESA. Claims, adjustments, enrollment and pharmacy PA have separately designated mailing addresses.

The current Mississippi Medicaid temporary homepage links to the MESA provider portal and publishes this phone. MESA separates provider inquiries from pharmacy, EDI, financial and member contacts. Its provider homepage directs fee-for-service prior-authorization submissions to Telligen. The January 1, 2027 pharmacy-PA fax cutoff is specific to pharmacy PA and does not establish a cutoff for this provider fax.

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

pharmacy help desk

Gainwell Technologies Pharmacy

Official page read
Phone833-660-2402Published hours

Not published in this record

Product, plan and location

medicaid
Mississippi

Mailing address

Not researched for this route

The current public MESA Contact Us directory explicitly labels this phone Gainwell Technologies Pharmacy. The Mississippi Medicaid homepage currently reports a web-hosting outage and links this public provider portal. General provider/EDI/member emails in the same directory are separate purposes and are not assigned to pharmacy. No pharmacy-specific staffed hours or email is published here.

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

fax prior auth

Pharmacy prior authorization fax

Official page read
Phone

No phone listed for this route

Fax

866-644-6147

Pharmacy prior authorization; separate from the general provider fax. MESA announces that faxed pharmacy PA requests will no longer be accepted effective January 1, 2027; submit those requests electronically through the MESA Provider Portal.

Published hours

Not published in this record

Product, plan and location

medicaid
Mississippi

Mailing address
ProDUR/Pharmacy PA Unit, P.O. Box 2480, Ridgeland, MS 39158

ProDUR / Pharmacy Prior Authorization Unit mailing destination published in the current public MESA directory.

The current public MESA Contact Us directory explicitly labels this fax Pharmacy Prior Authorization and separately publishes the ProDUR/Pharmacy PA Unit mailing address. The general provider fax, general office street address and general provider/EDI emails are different purposes. No PA-unit staffed hours or email is established by this directory. The linked MESA provider homepage announces that pharmacy PA requests submitted by fax will no longer be accepted effective January 1, 2027, when electronic submission through the MESA Provider Portal becomes required.

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