Centene (Ambetter, Wellcare, Health Net): billing error
Check the claim in the member portal, call your plan, then file a grievance.
What does this mean?
Grade A (high: almost everything comes from official pages read directly). 100% of 50 sources are the organization's own pages or government sites.
Collect
- provider bill
- EOB
- member ID card
Steps
Compare the provider bill with the claim in the Ambetter member portal.
Call your plan's member services and ask for a correction or reprocessing.
If it is not fixed, file a grievance with the state plan.
More contacts for this issue
Facts you can cite
- Contact
Centene tells members to contact their health plan directly, not corporate headquarters, for questions about benefits, eligibility or authorizations.
Source: centene.com, verified 2026-10-12
Rules in force
- No Surprises Act (surprise billing protections and good faith estimates)45 CFR part 149 (including 149.420 and 149.610)
Protects patients from out-of-network surprise bills for emergency care, for non-emergency care by out-of-network providers at in-network hospitals and surgery centers, and for air ambulance services. People who are uninsured or not using insurance get a good faith estimate and can dispute a bill that is at least $400 over the estimate.
Source: cms.gov, verified 2026-10-12
3 citable points
- Deadline
Uninsured or self-pay patients must get a written good faith estimate: not later than 1 business day after scheduling when care is scheduled at least 3 business days ahead; not later than 3 business days after scheduling when scheduled at least 10 business days ahead; and not later than 3 business days after a request.
Source: law.cornell.edu, verified 2026-10-12
- Deadline
Patient-provider dispute resolution is available when the provider charged "$400 or more" than its good faith estimate, for care on or after January 1, 2022, with an initial bill dated within the last 120 calendar days. The patient pays a "$25 non-refundable administrative fee".
Source: cms.gov, verified 2026-10-12
- Policy
While a patient-provider dispute is in progress, the provider or facility may not move the bill to collections or threaten to, and must stop pursuing payment of a bill already in collections until the dispute is resolved.
Source: cms.gov, verified 2026-10-12
- Deadline
- Restore Online Shoppers' Confidence Act (ROSCA) negative option requirements15 U.S.C. 8401-8405
A seller that charges consumers online through a negative option feature (for example an automatic renewal or a free trial that converts to paid) must clearly disclose all material terms before taking billing information, get the consumer's express informed consent before charging, and provide simple mechanisms to stop recurring charges. The FTC enforces ROSCA.
Source: law.cornell.edu, verified 2026-10-12
1 citable point
- Policy
The seller must obtain "a consumer's express informed consent before charging the consumer's credit card, debit card, bank account, or other financial account".
Source: law.cornell.edu, verified 2026-10-12
- Policy
If that fails, escalate
Go up one step at a time. Keep the reference numbers and dates from each contact.
Customer service
Call the member services number of your own plan (on the back of the member ID card).
Written complaint
MailAmbetter Health (Florida, Sunshine Health) grievances and appeals Ambetter Health Appeal Department, P.O. Box 459087, Fort Lauderdale, FL 33345-9087Internal appeal or grievance with the state plan. The Florida address is shown; other states use the address on the denial letter or the state forms page.
State agency
Your state’s insurance department. Find it in the list of state agencies (also as JSON:
states/<code>.json, for example states/ny.json).External review for marketplace plans; complaint to the state.
Federal regulator
Employer self-funded (ERISA) plans.
Federal regulator
Surprise bills under the No Surprises Act.
Watch out
- Centene runs separate state plans; contact details, forms and appeal addresses differ by state and brand.
- Claims view needs a member portal login.
- Grievance forms are PDFs that must be mailed or faxed.
Let your AI agent handle this
Escalate Anything is a free, open-source MCP server for Claude, Cursor, VS Code, Gemini CLI, Codex and other AI apps. Your agent gets this playbook, keeps a case log with reference numbers and follow-up dates, and drafts each message for you to approve.
1. Set it up (needs uv):
uvx escalate-anything setup2. Ask your agent:
Centene (Ambetter, Wellcare, Health Net) charged me [amount] on [date] for something I did not order. Use Escalate Anything to get it corrected.Source code, other install options and the Claude Code plugin