Medical Mutual provider portal, phone and payer ID quick facts
| Provider resource entry point | https://www.medmutual.com/Provider |
|---|---|
| Payer contact reference | 1-800-362-1279Current provider contact page identifies the Provider Inquiry Unit at 800-362-1279. |
| Claims payer ID | No single all-product identifier established in this registry; see source findings and verify the member product and transaction separately |
| Eligibility payer ID | No single all-product identifier established in this registry; see source findings and verify the member product and transaction separately |
| ERA payer ID | No single all-product identifier established in this registry; see source findings and verify the member product and transaction separately. Clearinghouse-specific: This registry has not established one national ERA payer ID for Medical Mutual. ERA enrollment and 835 routing are clearinghouse- and product-specific; verify in the payer portal or clearinghouse payer list before enrollment. |
| Timely filing | 12 months from service unless the contract states otherwise |
| Prior auth route | Verify the current product policy and delegated reviewer; X12 278 support is not established by a portal link |
| Last reviewed | 2026-04-23 |
- Current provider contact page identifies the Provider Inquiry Unit at 800-362-1279.
- The August 2026 Medical Mutual provider manual specifies 12 months from the date of service unless the contract states otherwise. Confirm the governing product and provider agreement, and verify corrected, secondary and disputed-claim instructions separately. Twelve months is not converted to a fixed 365-day scalar.
- This registry has not established a payer-specific appeal ladder for Medical Mutual. Use the denial notice, plan document, provider agreement, or jurisdictional rule to assign the correct route and deadline. Missing registry evidence does not mean appeal rights are unavailable.
- This registry has not established one national ERA payer ID for Medical Mutual. ERA enrollment and 835 routing are clearinghouse- and product-specific; verify in the payer portal or clearinghouse payer list before enrollment.
Medical Mutual at a glance
| Legal name | Medical Mutual of Ohio |
|---|---|
| Also known as | Medical Mutual of Ohio, MMO |
| Category | Commercial |
| Parent organization | Medical Mutual of Ohio |
| Claims payer ID | No single all-product identifier established in this registry; see source findings and verify the member product and transaction separately |
| Eligibility (270/271) payer ID | No single all-product identifier established in this registry; see source findings and verify the member product and transaction separately |
| ERA (835) payer ID | No single all-product identifier established in this registry; see source findings and verify the member product and transaction separately. Clearinghouse-specific: This registry has not established one national ERA payer ID for Medical Mutual. ERA enrollment and 835 routing are clearinghouse- and product-specific; verify in the payer portal or clearinghouse payer list before enrollment. |
| NAIC company code | Not established in this registry |
| States covered | Ohio |
| Provider resource entry point | https://www.medmutual.com/Provider |
| Provider phone | 1-800-362-1279Current provider contact page identifies the Provider Inquiry Unit at 800-362-1279. |
Always verify claims-routing details against the member ID card and the payer's current EDI companion guide before submission.
Timely filing & appeals for Medical Mutual
The August 2026 Medical Mutual provider manual specifies 12 months from the date of service unless the contract states otherwise. Confirm the governing product and provider agreement, and verify corrected, secondary and disputed-claim instructions separately. Twelve months is not converted to a fixed 365-day scalar.
| Submission type | Window |
|---|---|
| Initial claim reference | 12 months from service unless the contract states otherwise |
| Out-of-network initial claim | Verify the member's plan and applicable out-of-network rules |
| Secondary / coordination of benefits | Verify the allowed window and start event; a primary EOB does not automatically restart filing |
| Corrected claim | Verify correction instructions; do not substitute an appeal deadline |
| Reconsideration / appeal | Use the applicable denial or decision notice and the process below |
This registry has not established a payer-specific appeal ladder for Medical Mutual. Use the denial notice, plan document, provider agreement, or jurisdictional rule to assign the correct route and deadline. Missing registry evidence does not mean appeal rights are unavailable.
Source: Medical Mutual provider policy. Always confirm before disputing a TFL denial — payer policies are versioned and product-specific.
Prior authorization with Medical Mutual
Decision deadlines depend on the product, service and urgency. CMS-0057-F generally starts its decision-timeframe requirements in 2026 for Medicare Advantage, Medicaid and CHIP payers subject to the rule: seven calendar days for standard requests and 72 hours for expedited requests. Those requirements exclude drug authorizations and QHP issuers on the federally facilitated exchanges. Other plans, state rules and permitted extensions can differ. Check the applicable policy; a decision deadline is not a guarantee of approval.
CMS-0057-F decision-timeframe requirements and exclusions
Verify Medical Mutual electronic claims (837), eligibility (270/271), remittance (835) and authorization (278) separately for the member product and clearinghouse. Registry flags and routing references are not current transaction-complete approval. Confirm the companion guide, enrollment and applicable source findings below. A blank or unverified field does not establish that the transaction is unavailable. Authorization requirements and submission channels depend on the product, service and delegated reviewer. Verify the applicable policy before scheduling; a portal listing is not proof of X12 278 connectivity.
This registry does not provide a current prior-authorization code list for Medical Mutual. Start with the provider resources or the policy documents below, then confirm the applicable product, service and effective date. A resource link does not establish that a live code-lookup tool is available.
Top denial reasons for Medical Mutual
Per-payer denial benchmarks publish here once the QuickIntell anonymized ETL pipeline ingests sufficient Medical Mutual volume. Until then, see the broader CARC reference for industry-wide remediation guides.
Electronic claims, eligibility & ERA
| Transaction | Registry indication — not verification | Routing reference |
|---|---|---|
| 837P / 837I claims | Listed in registry; verify current scope | No single all-product identifier established in this registry; see source findings and verify the member product and transaction separately |
| 270 / 271 eligibility | Listed in registry; verify current scope | No single all-product identifier established in this registry; see source findings and verify the member product and transaction separately |
| 278 prior authorization | Listed in registry; verify current scope | Verify X12 278 routing separately |
| 835 ERA | Verify support and enrollment separately | No single all-product identifier established in this registry; see source findings and verify the member product and transaction separately. Clearinghouse-specific: This registry has not established one national ERA payer ID for Medical Mutual. ERA enrollment and 835 routing are clearinghouse- and product-specific; verify in the payer portal or clearinghouse payer list before enrollment. |
Payer IDs vary by clearinghouse — confirm against your clearinghouse payer list (Availity, Change Healthcare/Optum, Waystar) before configuring submitter routing.
Source checks and remaining limits
The latest partial comparison is dated . Retained earlier findings keep their original dates below. This is a partial source check, not a whole-page, clinical or legal review. It does not refresh the legacy review date above.
provider_phone
Source comparison: 2026-09-26
Current provider contact page identifies the Provider Inquiry Unit at 800-362-1279.
Primary source for provider_phoneportal_url
Source comparison: 2026-09-26
Provider contact page directs eligibility, benefit and claims-status workflows through Availity registration; preserve the public provider-resource entry point without asserting authenticated access.
Primary source for portal_urltimely_filing_days
Source comparison: 2026-09-26
August 2026 manual specifies 12 months from service unless the contract states otherwise; a fixed 365-day scalar loses calendar and contract scope. Rendered page visually checked.
Primary source for timely_filing_days
Not checked in this pass: Whole-record approval, legal identity, ownership and complete product coverage; Authenticated transactions and QuickIntell integrations; payer_ids.claims: No universal medical claims identifier established; preserve clearinghouse and product verification.; payer_ids.eligibility / payer_ids.era / era_payer_id: No transaction-specific universal eligibility/ERA identifier established; do not copy a claims ID.; electronic_claims_supported / supports_279_271 / supports_278: No blanket transaction-capability or QuickIntell connectivity certification; unauthenticated resources do not establish all stored flags.; appeal_levels / prior_auth_required_codes_sample / qi_module_coverage: No new approval of appeals, code-specific authorization or product integrations in this bounded pass..
Sources used for this guide
State coverage
Medical Mutual operates in the following states. Each link opens state-level Medicaid program details, dominant commercial payers, and state-specific RCM regulations.
Evaluate QuickIntell workflow fit for Medical Mutual
These module references are evaluation starting points, not evidence of a validated connection, supported transaction or customer deployment. Confirm the actual member plan, data access and product scope first.
- QuickRCM
Evaluate claim preparation, follow-up and denial worklists for Medical Mutual; verify the actual plan rules and available connections before implementation.
- QuickAuth
Assess authorization-packet and status workflows for Medical Mutual; confirm product, service, delegated reviewer and permitted submission channels.
- QuickERA
Verify the actual 835 files, posting exceptions and reconciliation requirements for Medical Mutual before evaluating automation. An ERA identifier alone does not establish supported ingestion or posting.
Frequently asked questions about Medical Mutual
Where is the Medical Mutual provider portal?
Use https://www.medmutual.com/Provider as a starting point for Medical Mutual provider resources. This link may open a directory or contact page rather than a transaction portal. Select the applicable product and administrator, then verify the available functions, enrollment and access requirements. QuickIntell is not the official payer portal.
What is the timely filing limit for Medical Mutual?
The August 2026 Medical Mutual provider manual specifies 12 months from the date of service unless the contract states otherwise. Confirm the governing product and provider agreement, and verify corrected, secondary and disputed-claim instructions separately. Twelve months is not converted to a fixed 365-day scalar.
Does Medical Mutual publish a single claims payer ID?
This registry has not established one all-product claims payer ID for Medical Mutual. See the source findings for transaction-specific references. Look up the correct ID for the member's plan and transaction in your clearinghouse directory and verify against the member ID card before submission.
Does Medical Mutual accept electronic claims?
Verify Medical Mutual electronic claims (837), eligibility (270/271), remittance (835) and authorization (278) separately for the member product and clearinghouse. Registry flags and routing references are not current transaction-complete approval. Confirm the companion guide, enrollment and applicable source findings below. A blank or unverified field does not establish that the transaction is unavailable.
How do I appeal a Medical Mutual denial?
This registry has not established a payer-specific appeal ladder for Medical Mutual. Use the denial notice, plan document, provider agreement, or jurisdictional rule to assign the correct route and deadline. Missing registry evidence does not mean appeal rights are unavailable.
How long do Medical Mutual prior authorization approvals take?
Decision deadlines depend on the product, service and urgency. CMS-0057-F generally starts its decision-timeframe requirements in 2026 for Medicare Advantage, Medicaid and CHIP payers subject to the rule: seven calendar days for standard requests and 72 hours for expedited requests. Those requirements exclude drug authorizations and QHP issuers on the federally facilitated exchanges. Other plans, state rules and permitted extensions can differ. Check the applicable policy; a decision deadline is not a guarantee of approval.
What is the Medical Mutual provider phone number?
This registry lists 1-800-362-1279 as a contact reference for Medical Mutual. Current provider contact page identifies the Provider Inquiry Unit at 800-362-1279.
Automate workflows around Medical Mutual requirements
Connect eligibility, prior authorization, pre-submission claim checks, and remittance routing in one governed workflow. Payer and plan configuration is confirmed during implementation.
Disclaimer
This page is operational reference for medical-billing professionals. It is not legal, clinical, or contractual advice. Payer policies change without notice — always verify against Medical Mutual's current published documents before submission. CPT® is a registered trademark of the American Medical Association.