Medicaid — New Hampshire
MedicaidVerified · August 2026New Hampshire
⚠ New Hampshire-specific contact information: Heads up
- Standard timely filing
- 365 days
- Appeal filing window
- Not yet published
- Prior authorization
- Not yet published
- Appeal channel
- Not yet published
- Provider portal
- Available
- Verification
- Verified · August 2026by AR Guide team
Payer Contact Finder
Know before you call
Provider portal
NH MMIS Health Enterprise Portal (opens in a new tab)New Hampshire MMIS Health Enterprise Portal — provider enrollment and billing manuals.
- Standard filing limit
- 365 days
- Counted from
- date of service
- Appeal filing limit
- Not stated
- Appeal window from
- Not stated
- Notes
- New Hampshire Medicaid claims must be received within 12 months of the date of service to meet timely filing standards (official General Billing manual).
- Provider portal
- https://nhmmis.nh.gov/ (opens in a new tab)Verified · August 2026Verified Aug 18, 2026 · Official web pageView source (opens in a new tab)
New Hampshire MMIS Health Enterprise Portal — provider enrollment and billing manuals.
- Claims
- 866-291-1674Verified · August 2026Verified Aug 18, 2026 · Official web pageView source (opens in a new tab)
NH Medicaid Provider Relations / Provider Service Center — claims, enrollment and billing (official DHHS page; local 603-223-4774).
Every contact is individually source-tracked and shows the date it was last verified. A green “Verified” badge only appears when a source and verification date exist.
- Features
- claims, eligibility, enrollment
- Registration required
- Yes
- Notes
- New Hampshire MMIS Health Enterprise Portal — provider enrollment and billing manuals.
Provider portal
New Hampshire MMIS Health Enterprise Portal — provider enrollment and billing manuals.
Referrals
Not yet published for this entry. Referral requirements and retro-referral rules are published only when verified against a source.
Appeals
Not yet published for this entry. Appeal levels, filing channels and external-review options are published only when verified against a source.
Documentation requirements
Not yet published for this entry. Required documentation for appeals and additional-information requests is published only when verified against a source.
- Common CARCs
- 29
- Common RARCs
- MA119N29
- Top reasons
- Timely filing (CARC 29) — New Hampshire Medicaid documents a 365-day claim-filing window from the date of service; claims filed after the window are denied for exceeding the time limit (paired RARC MA119: provider-level adjustment for late claim filing).
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Recent updates
Change log
- Verified provider portal · Aug 18, 2026NH DHHS — Medicaid Provider Relations
- Verified claims contact · Aug 18, 2026NH DHHS — Medicaid Provider Relations
- Verified timely filing · Aug 18, 2026NH Medicaid — General Billing Provider Manual
- Verified portal information · Aug 18, 2026NH DHHS — Medicaid Provider Relations
- Verified authorization policy · Aug 18, 2026NH MMIS — Service Authorization Requests (FFS Medicaid)
- Verified denial patterns · Aug 18, 2026NH Medicaid — General Billing Provider Manual
- Entry last reviewed · Aug 18, 2026NH Medicaid — General Billing Provider ManualNH DHHS — Medicaid Provider Relations
Contact information is provided for reference and is verified against the cited source as of the date shown. Payer contact information may change. Always confirm the appropriate contact for the member's plan and claim.
Source & verification
Directory record
- Geographic scope
- New Hampshire
- Line of business
- Medicaid
- Last reviewed
- Aug 18, 2026
- Verified by
- AR Guide team
- NH Medicaid — General Billing Provider Manual — https://nhmmis.nh.gov/portals/wps/wcm/connect/bb7bf08e-1afb-4c20-9aaa-68a5adf1ec99/NHCSR-OMBP-3-Provider-Updated+General+Billing+Manual+2023-Att1-20231011.pdf
- NH DHHS — Medicaid Provider Relations — https://www.dhhs.nh.gov/programs-services/medicaid/medicaid-provider-relations
- NH MMIS — Service Authorization Requests (FFS Medicaid) — https://nhmmis.nh.gov/portals/wps/portal/MessagesAnnouncementsForPublic