Manuals & Forms for Providers | Ambetter from MHS Indiana
Provider Resources
Ambetter Health provides the tools and support you need to deliver the best quality of care.
Reference Materials
- 2026 Provider and Billing Manual (PDF)
- 2025 Provider and Billing Manual (PDF)
- Quick Reference Guide (PDF)
- Pharmacy Guide (PDF)
- Claims, Disputes & Recovery/CCU Guide (PDF)
- ICD-10 Information
- Prior Authorization Guide
- Payspan
- Secure Portal
- Provider Newsletters
- Provider Network Guide (PDF)
- Home Health Filing Guidelines (PDF)
- Ambetter Appointment Standards (PDF)
- Care Management (PDF)
Forms
- Ambetter/Wellcare Practitioner Enrollment Form (PDF)
- Behavioral Health Provider Specialty Form (PDF)
- Behavioral Health Facility and Ancillary Demographic Form (PDF)
- IHCP/Ambetter/Wellcare Ancillary Enrollment Form (PDF)
- Provider Credentialing Application Disability Supplement Form (PDF)
- Non-Contracted Provider Set Up Form
- Interpreter Request Form (PDF)
Medical Management/Behavioral Health
- Pre-Auth Needed?
- Inpatient Prior Authorization Fax Form (PDF)
- Outpatient Prior Authorization Fax Form (PDF)
- Fillable Prior Authorization Form (PDF)
- Grievance and Appeals
- Clinical Practice and Preventive Health Guidelines (PDF)
- Outpatient to ASC Prior Authorization by County (PDF)
- Discharge Consultation Form (PDF)
- Discharge Planner Checklist (PDF)
- ABA Prior Authorization Request Form (PDF)
- Step Therapy Exception Request Form Instructions (PDF)
- Practicioner Enrollment Form (PDF)
- Quality Rating System (QRS) Behavioral Health Measure Toolkit (PDF)
Claims and Claim Payment
Quality
- Practices Guidelines (PDF)
- 2024 HEDIS Quick Reference Guide (PDF)
- Quality Improvement (QI)
- Providing Quality Care
Other
CMS Interoperability & Prior Authorization Final Rule: CY2025 Prior Authorization Requirements Reports and Metrics Summaries
In accordance with the Centers for Medicare & Medicaid Services (CMS) Final Rule (CMS 0057 F), we are annually publishing our prior authorization requirements and performance metrics to promote transparency, accountability, and better support our members and providers.
Reports:
- Ambetter Health CMS Final Rule 0057-F Prior Authorization Requirements: 35065 (PDF)
- Ambetter Health Prior Authorization Metrics Summary: 35065 (PDF)
The data presented in these publications reflects prior authorization requests processed during the applicable measurement year in accordance with CMS reporting specifications. Metrics are calculated using CMS defined methodologies and may not be directly comparable to alternative reports or third party summaries.