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Mississippi provider enrollment

How to Become a Medicaid Waiver Provider in Mississippi

What Mississippi requires before you can deliver home and community-based waiver services, in the order the state actually requires it. Every claim links to the official page it came from.

Provider rules change often — confirm fees and deadlines against the linked sources before you rely on them.

Overview

Becoming a waiver provider in Mississippi

Mississippi is unusually candid with prospective providers, and its candor is worth taking seriously. DMH tells applicants outright that certification does not mean you will receive DMH funding or funding from a third-party payor, that it is not a means of obtaining clients, and that DMH is not a referral source — once certified, it adds you to its provider list and that is the extent of it. It also says not all certification applications are approved. The one structural decision you must make before anything else is which population you will serve: each service area has separate requirements in the DMH Operational Standards, and until you have chosen, DMH says you cannot meet the standard requirements or submit a successful application. The sequence itself is fixed — complete the Interested Provider Orientation, then submit the certification application with its documentation, then pursue Medicaid enrollment separately with the Division of Medicaid.

Who certifies you

The agencies that decide

DMH Division of Certification

Runs the application, certification, and compliance process; administers the Interested Provider Orientation; issues Certificates of Operation; maintains the registry of DMH-certified providers. Reachable at certification@dmh.ms.gov.

Visit site

Mississippi Department of Mental Health

Sets the Operational Standards that certification is measured against, and notifies the Division of Medicaid when a new provider is certified.

601-359-1288Visit site

Division of Medicaid

Enrolls providers and issues Medicaid provider numbers, including the ID/DD Waiver provider number. A separate process from DMH certification.

1-800-421-2408Visit site
Before you apply

What has to be true first

Certification is what unlocks Medicaid billing

Providers may deliver services without DMH certification, but to bill the Division of Medicaid they must be certified by DMH. Under Mississippi law, any community program serving people with developmental disabilities, mental illness, or substance use disorders must be certified by DMH before billing Medicaid.

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Pick your population before you start

Each service area — Adult Mental Health, Intellectual and Developmental Disabilities, Substance Use Community Services, Children and Youth — has separate requirements in the Operational Standards. DMH states that until you decide which population you will serve, you cannot meet the requirements or submit a successful application.

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Staffing must be in place before you deliver services

You do not need staff hired to apply, but staffing that meets DMH's Operational Standards must be in place in order to begin service provision.

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Certification is not funding and not a client pipeline

DMH says explicitly that certification does not mean you will receive DMH funding or third-party funding, is not inherently a means of obtaining clients to bill for, and that DMH is not a referral source. Grant funding is allocated by RFP, and most of it is already committed to ongoing projects.

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Enrollment

How to enroll in Mississippi

Complete the DMH Interested Provider Orientation, submit the certification application with its required documentation, meet the Operational Standards for your service area, then enroll separately with the Division of Medicaid and obtain an ID/DD Waiver provider number.

Application system: DMH Division of Certification

  1. Read the Operational Standards for your service area

    DMH tells applicants there is a lot of reading before orientation, and that the standard requirements are written in the Operational Standards. Doing it early is what improves the odds of approval.

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  2. Complete the Interested Provider Orientation

    Attendance is a requirement before submitting an application for certification. It covers a general introduction to DMH and the Certification Division, training by service type, requirements applying to all certified providers, and how to become a Medicaid provider.

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  3. Assemble the application documentation

    DMH publishes an Interested Provider Application Checklist alongside the background check form, the attestation of full-time employment, the attestation to data submission requirements, and the statement of assurance confirming you have read the standards.

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  4. Submit the application and pay the fees

    Applications, related forms, and fees are processed by the Division of Certification. Applications are not automatically approved — orientation exists partly because they are not.

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  5. Enroll with the Division of Medicaid separately

    DMH does not enroll agencies as Medicaid providers or issue Medicaid provider numbers. It notifies the Division of Medicaid's Bureau of Mental Health Programs when a provider is certified, but the enrollment is yours to complete — and ID/DD Waiver services also require an ID/DD Waiver provider number from Medicaid.

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Service types

What you can be approved to deliver

DMH/Home and Community-Based Waiver provider (DMH/H)

ID/DD Waiver

A distinct certification type

DMH certifies agencies by type, and the Home and Community-Based Waiver provider is its own designation — DMH/H — separate from private providers, grant providers, and the 1915(i) community support program.

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You need a Medicaid waiver number too

For ID/DD Waiver services you must also hold an ID/DD Waiver provider number from the Division of Medicaid, on top of DMH certification.

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DMH/IDD Community Support Program 1915(i) provider (DMH/I)

ID/DD Community Support Program (1915i)

Its own certification type

The 1915(i) Community Support Program carries a separate DMH certification designation from the waiver provider type.

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Other DMH certification types

Eight designations in total

Community Mental Health Centers, Certified Community Behavioral Health Clinics, private providers, grant providers, HCBS waiver providers, the 1915(i) community support program, other agency providers, and department providers.

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Timeline & cost

What this actually takes

Orientation gates the application

Because attending the Interested Provider Orientation is required before submitting an application, your earliest possible submission date is set by the orientation calendar rather than by your own readiness.

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Certification does not pay for itself

DMH charges provider fees and warns that certification brings neither funding nor referrals. Plan the first months on the assumption you are financing your own start-up and finding your own clients.

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After approval

Staying compliant

Site visits and administrative reviews are routine

DMH conducts routine site visits and administrative reviews to ensure continued compliance with state and federal regulations and the Operational Standards.

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Staff qualifications and continuing education are monitored

Providers must ensure their staff meet qualification standards and maintain continuing education, and DMH sets specific requirements for each service offered.

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Certificates of Operation are regulated

DMH issues Certificates of Operation and regulates how they are used, and maintains a registry it uses to verify certification when asked.

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Confirm by phone

What the state does not publish

Mississippi does not publish these in a form we could verify, so we have not guessed at them. Ask directly — and if an answer here would help other providers, tell us and we will add it with its source.

  • What are the current DMH provider fees, and when in the process are they due?

    Ask: DMH Division of Certification, certification@dmh.ms.gov

  • When is the next Interested Provider Orientation, and how do you register?

    Ask: DMH Division of Certification, certification@dmh.ms.gov

  • How long does DMH take to decide a certification application, and what is the term of a Certificate of Operation?

    Ask: DMH Division of Certification, certification@dmh.ms.gov

  • What does the Division of Medicaid require for an ID/DD Waiver provider number, and how long does that take after certification?

    Ask: Division of Medicaid, 1-800-421-2408

Key contacts

Mississippi provider contacts

DMH Division of Certification

The certification process, provider fees, interested provider materials, and the review committee.

Visit site

Interested Provider Orientation FAQs

The clearest statement of what certification does and does not get you, and the eight certification types.

Visit site

DMH Operational Standards

The requirements your program is measured against, by service area.

Visit site

Interested Provider Application Checklist

The documentation the application requires.

Visit site

Division of Medicaid — ID/DD Waiver

The Medicaid side, including the ID/DD Waiver provider number.

1-800-421-2408Visit site
FAQ

Mississippi provider questions

Do I have to be DMH-certified to provide services?

Not to provide them — but yes to bill Medicaid for them. Mississippi law requires community programs serving people with developmental disabilities, mental illness, or substance use disorders to be DMH-certified before billing the Division of Medicaid.

Will DMH send me clients once I am certified?

No. DMH states it is not a referral source; once certified it adds your agency to its system and website. It also says certification does not mean you will receive DMH funding or funding from a third-party payor.

Does DMH give me a Medicaid provider number?

No. Becoming a Medicaid provider is a separate process with the Division of Medicaid. DMH notifies Medicaid's Bureau of Mental Health Programs that you have been certified, and for ID/DD Waiver services you also need an ID/DD Waiver provider number.

Can I apply before deciding which population I will serve?

DMH says no in practice: each service area has separate requirements in the Operational Standards, and until you decide, you will not be able to meet them or submit a successful application.

Am I certified once I finish orientation?

No. Orientation is a prerequisite to applying, not an approval. It exists to help you judge whether your program can currently meet the standards — DMH notes that not all applications are approved.

Looking for the family-facing guide? Browse state waiver guides