State Medicaid Guide

Ohio Medicaid

Complete guide to Ohio Medicaid enrollment, managed care plans, and provider requirements

Enrollment Time

60-90 Days

MCOs

6 Plans

Timely Filing

120 Days

Model

Managed Care

Ohio Medicaid Overview

Ohio Medicaid serves nearly 3 million beneficiaries, with the vast majority enrolled in managed care plans. The state has fully implemented managed care statewide through partnerships with 6 major MCOs.

Key Ohio Features:

  • Statewide Managed Care: Nearly all beneficiaries in MCO plans
  • CareSource Dominance: Ohio-based CareSource is the largest plan
  • Behavioral Health Integration: BH services integrated into MCO plans
  • MyCare Ohio: Integrated care for dual eligibles

Provider Enrollment Process

Step-by-Step Ohio Medicaid Enrollment

1. Enroll with Ohio Department of Medicaid

Complete enrollment with the Ohio Department of Medicaid:

  • • Submit online application through MITS (Medicaid Information Technology System)
  • • Provide Ohio license, NPI, TIN, and supporting documentation
  • • Complete required background checks and attestations
  • • Processing time: 45-75 days

2. Contract with Managed Care Plans

After state enrollment, credential with MCOs:

  • • All 6 MCOs operate statewide
  • • Submit credentialing applications (most use CAQH)
  • • Each plan has separate provider agreements
  • • Processing time: 60-90 days per plan

Total Timeline

  • • Ohio Medicaid enrollment: 45-75 days
  • • MCO credentialing: 60-90 days per plan
  • • Total: 105-165 days from start to billing

Ohio Medicaid Managed Care Plans

Note: All 6 MCOs operate statewide in Ohio. Most providers contract with 3-4 plans to maximize patient access.

Aetna Better Health of Ohio

1-855-364-0974
Statewide

Buckeye Health Plan (Centene)

1-866-246-4358
Statewide

CareSource

1-800-488-0134
Statewide

Molina Healthcare of Ohio

1-855-665-4623
Statewide

Paramount Advantage (ProMedica)

1-800-462-3589
Northwest OH

UnitedHealthcare Community Plan

1-800-895-2017
Statewide

Market share: CareSource (OH-based) has the largest enrollment, followed by Buckeye and Molina. Most providers contract with at least CareSource, Buckeye, and one other plan.

Behavioral Health Services

Ohio Medicaid Behavioral Health Coverage

Ohio has integrated behavioral health services into managed care plans. All MCOs cover comprehensive mental health and substance use disorder treatment.

Covered BH Services

  • • Outpatient therapy (individual, group, family)
  • • Psychiatric services and medication management
  • • Intensive outpatient programs (IOP)
  • • Partial hospitalization programs (PHP)
  • • Residential treatment facilities
  • • SUD treatment (all levels of care)
  • • Peer recovery services
  • • Crisis stabilization services
  • • Assertive Community Treatment (ACT)

ODMHAS Certification

Behavioral health agencies must be certified by the Ohio Department of Mental Health and Addiction Services (ODMHAS) to bill Medicaid. This is separate from Medicaid enrollment.

Important Contacts

Ohio Department of Medicaid

Provider Enrollment

1-800-686-1516

Provider Support

1-800-686-1516

Provider Portal

Ohio Medicaid Portal

ODMHAS (BH Certification)

General Information

1-877-275-6364

ODMHAS Website

MHA.Ohio.gov

Need Help With Ohio Medicaid?

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